diff --git a/docs/user_guide/preprocessing/audio.ipynb b/docs/user_guide/preprocessing/audio.ipynb
index 7ee19b43..ef88b445 100644
--- a/docs/user_guide/preprocessing/audio.ipynb
+++ b/docs/user_guide/preprocessing/audio.ipynb
@@ -694,7 +694,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 29,
    "id": "5f17abe7",
    "metadata": {},
    "outputs": [
@@ -723,8 +723,8 @@
        "      <th>device</th>\n",
        "      <th>time</th>\n",
        "      <th>is_silent</th>\n",
-       "      <th>double_decibels</th>\n",
-       "      <th>double_frequency</th>\n",
+       "      <th>decibels</th>\n",
+       "      <th>frequency</th>\n",
        "      <th>datetime</th>\n",
        "    </tr>\n",
        "  </thead>\n",
@@ -779,286 +779,6 @@
        "      <td>13592</td>\n",
        "      <td>2019-08-13 09:28:35.657999992+03:00</td>\n",
        "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 09:58:37.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565680e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>93</td>\n",
-       "      <td>756</td>\n",
-       "      <td>2019-08-13 09:58:37.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 10:28:39.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565681e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>99</td>\n",
-       "      <td>3059</td>\n",
-       "      <td>2019-08-13 10:28:39.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 10:58:41.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565683e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>74</td>\n",
-       "      <td>9623</td>\n",
-       "      <td>2019-08-13 10:58:41.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 11:28:43.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565685e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>101</td>\n",
-       "      <td>13139</td>\n",
-       "      <td>2019-08-13 11:28:43.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 11:58:45.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565687e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>88</td>\n",
-       "      <td>12278</td>\n",
-       "      <td>2019-08-13 11:58:45.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 12:28:47.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565689e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>58</td>\n",
-       "      <td>14529</td>\n",
-       "      <td>2019-08-13 12:28:47.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 14:28:55.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565696e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>104</td>\n",
-       "      <td>7146</td>\n",
-       "      <td>2019-08-13 14:28:55.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 15:02:17.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565698e+09</td>\n",
-       "      <td>1</td>\n",
-       "      <td>44</td>\n",
-       "      <td>2914</td>\n",
-       "      <td>2019-08-13 15:02:17.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 15:28:59.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565699e+09</td>\n",
-       "      <td>1</td>\n",
-       "      <td>49</td>\n",
-       "      <td>7195</td>\n",
-       "      <td>2019-08-13 15:28:59.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 15:59:01.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565701e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>55</td>\n",
-       "      <td>91</td>\n",
-       "      <td>2019-08-13 15:59:01.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 16:29:03.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565703e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>76</td>\n",
-       "      <td>3853</td>\n",
-       "      <td>2019-08-13 16:29:03.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2019-08-13 16:59:05.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1.565705e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>84</td>\n",
-       "      <td>7419</td>\n",
-       "      <td>2019-08-13 16:59:05.657999992+03:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 02:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578528e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>84</td>\n",
-       "      <td>4935</td>\n",
-       "      <td>2020-01-09 02:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 02:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578530e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>89</td>\n",
-       "      <td>8734</td>\n",
-       "      <td>2020-01-09 02:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 03:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578532e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>99</td>\n",
-       "      <td>1710</td>\n",
-       "      <td>2020-01-09 03:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 03:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578534e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>77</td>\n",
-       "      <td>9054</td>\n",
-       "      <td>2020-01-09 03:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 04:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578536e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>80</td>\n",
-       "      <td>12265</td>\n",
-       "      <td>2020-01-09 04:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 04:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578537e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>52</td>\n",
-       "      <td>7281</td>\n",
-       "      <td>2020-01-09 04:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 05:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578539e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>63</td>\n",
-       "      <td>14408</td>\n",
-       "      <td>2020-01-09 05:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 05:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578541e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>78</td>\n",
-       "      <td>8478</td>\n",
-       "      <td>2020-01-09 05:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 06:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578543e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>75</td>\n",
-       "      <td>4138</td>\n",
-       "      <td>2020-01-09 06:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 06:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3p83yASkOb_B</td>\n",
-       "      <td>1.578545e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>53</td>\n",
-       "      <td>6729</td>\n",
-       "      <td>2020-01-09 06:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 07:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>OWd1Uau8POix</td>\n",
-       "      <td>1.578546e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>84</td>\n",
-       "      <td>8744</td>\n",
-       "      <td>2020-01-09 07:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 07:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>OWd1Uau8POix</td>\n",
-       "      <td>1.578548e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>66</td>\n",
-       "      <td>13308</td>\n",
-       "      <td>2020-01-09 07:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 09:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>OWd1Uau8POix</td>\n",
-       "      <td>1.578554e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>93</td>\n",
-       "      <td>4569</td>\n",
-       "      <td>2020-01-09 09:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 09:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>OWd1Uau8POix</td>\n",
-       "      <td>1.578555e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>78</td>\n",
-       "      <td>2590</td>\n",
-       "      <td>2020-01-09 09:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 10:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>OWd1Uau8POix</td>\n",
-       "      <td>1.578557e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>98</td>\n",
-       "      <td>13981</td>\n",
-       "      <td>2020-01-09 10:08:03.895999908+02:00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2020-01-09 10:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>OWd1Uau8POix</td>\n",
-       "      <td>1.578559e+09</td>\n",
-       "      <td>0</td>\n",
-       "      <td>97</td>\n",
-       "      <td>9601</td>\n",
-       "      <td>2020-01-09 10:38:03.895999908+02:00</td>\n",
-       "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
@@ -1070,149 +790,30 @@
        "2019-08-13 08:28:31.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565674e+09   \n",
        "2019-08-13 08:58:33.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565676e+09   \n",
        "2019-08-13 09:28:35.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565678e+09   \n",
-       "2019-08-13 09:58:37.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565680e+09   \n",
-       "2019-08-13 10:28:39.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565681e+09   \n",
-       "2019-08-13 10:58:41.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565683e+09   \n",
-       "2019-08-13 11:28:43.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565685e+09   \n",
-       "2019-08-13 11:58:45.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565687e+09   \n",
-       "2019-08-13 12:28:47.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565689e+09   \n",
-       "2019-08-13 14:28:55.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565696e+09   \n",
-       "2019-08-13 15:02:17.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565698e+09   \n",
-       "2019-08-13 15:28:59.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565699e+09   \n",
-       "2019-08-13 15:59:01.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565701e+09   \n",
-       "2019-08-13 16:29:03.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565703e+09   \n",
-       "2019-08-13 16:59:05.657999992+03:00  iGyXetHE3S8u  Cq9vueHh3zVs  1.565705e+09   \n",
-       "2020-01-09 02:08:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578528e+09   \n",
-       "2020-01-09 02:38:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578530e+09   \n",
-       "2020-01-09 03:08:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578532e+09   \n",
-       "2020-01-09 03:38:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578534e+09   \n",
-       "2020-01-09 04:08:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578536e+09   \n",
-       "2020-01-09 04:38:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578537e+09   \n",
-       "2020-01-09 05:08:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578539e+09   \n",
-       "2020-01-09 05:38:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578541e+09   \n",
-       "2020-01-09 06:08:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578543e+09   \n",
-       "2020-01-09 06:38:03.895999908+02:00  jd9INuQ5BBlW  3p83yASkOb_B  1.578545e+09   \n",
-       "2020-01-09 07:08:03.895999908+02:00  jd9INuQ5BBlW  OWd1Uau8POix  1.578546e+09   \n",
-       "2020-01-09 07:38:03.895999908+02:00  jd9INuQ5BBlW  OWd1Uau8POix  1.578548e+09   \n",
-       "2020-01-09 09:08:03.895999908+02:00  jd9INuQ5BBlW  OWd1Uau8POix  1.578554e+09   \n",
-       "2020-01-09 09:38:03.895999908+02:00  jd9INuQ5BBlW  OWd1Uau8POix  1.578555e+09   \n",
-       "2020-01-09 10:08:03.895999908+02:00  jd9INuQ5BBlW  OWd1Uau8POix  1.578557e+09   \n",
-       "2020-01-09 10:38:03.895999908+02:00  jd9INuQ5BBlW  OWd1Uau8POix  1.578559e+09   \n",
-       "\n",
-       "                                     is_silent  double_decibels  \\\n",
-       "2019-08-13 07:28:27.657999992+03:00          0               51   \n",
-       "2019-08-13 07:58:29.657999992+03:00          0               90   \n",
-       "2019-08-13 08:28:31.657999992+03:00          0               81   \n",
-       "2019-08-13 08:58:33.657999992+03:00          0               58   \n",
-       "2019-08-13 09:28:35.657999992+03:00          1               36   \n",
-       "2019-08-13 09:58:37.657999992+03:00          0               93   \n",
-       "2019-08-13 10:28:39.657999992+03:00          0               99   \n",
-       "2019-08-13 10:58:41.657999992+03:00          0               74   \n",
-       "2019-08-13 11:28:43.657999992+03:00          0              101   \n",
-       "2019-08-13 11:58:45.657999992+03:00          0               88   \n",
-       "2019-08-13 12:28:47.657999992+03:00          0               58   \n",
-       "2019-08-13 14:28:55.657999992+03:00          0              104   \n",
-       "2019-08-13 15:02:17.657999992+03:00          1               44   \n",
-       "2019-08-13 15:28:59.657999992+03:00          1               49   \n",
-       "2019-08-13 15:59:01.657999992+03:00          0               55   \n",
-       "2019-08-13 16:29:03.657999992+03:00          0               76   \n",
-       "2019-08-13 16:59:05.657999992+03:00          0               84   \n",
-       "2020-01-09 02:08:03.895999908+02:00          0               84   \n",
-       "2020-01-09 02:38:03.895999908+02:00          0               89   \n",
-       "2020-01-09 03:08:03.895999908+02:00          0               99   \n",
-       "2020-01-09 03:38:03.895999908+02:00          0               77   \n",
-       "2020-01-09 04:08:03.895999908+02:00          0               80   \n",
-       "2020-01-09 04:38:03.895999908+02:00          0               52   \n",
-       "2020-01-09 05:08:03.895999908+02:00          0               63   \n",
-       "2020-01-09 05:38:03.895999908+02:00          0               78   \n",
-       "2020-01-09 06:08:03.895999908+02:00          0               75   \n",
-       "2020-01-09 06:38:03.895999908+02:00          0               53   \n",
-       "2020-01-09 07:08:03.895999908+02:00          0               84   \n",
-       "2020-01-09 07:38:03.895999908+02:00          0               66   \n",
-       "2020-01-09 09:08:03.895999908+02:00          0               93   \n",
-       "2020-01-09 09:38:03.895999908+02:00          0               78   \n",
-       "2020-01-09 10:08:03.895999908+02:00          0               98   \n",
-       "2020-01-09 10:38:03.895999908+02:00          0               97   \n",
        "\n",
-       "                                     double_frequency  \\\n",
-       "2019-08-13 07:28:27.657999992+03:00              7735   \n",
-       "2019-08-13 07:58:29.657999992+03:00             13609   \n",
-       "2019-08-13 08:28:31.657999992+03:00              7690   \n",
-       "2019-08-13 08:58:33.657999992+03:00              8347   \n",
-       "2019-08-13 09:28:35.657999992+03:00             13592   \n",
-       "2019-08-13 09:58:37.657999992+03:00               756   \n",
-       "2019-08-13 10:28:39.657999992+03:00              3059   \n",
-       "2019-08-13 10:58:41.657999992+03:00              9623   \n",
-       "2019-08-13 11:28:43.657999992+03:00             13139   \n",
-       "2019-08-13 11:58:45.657999992+03:00             12278   \n",
-       "2019-08-13 12:28:47.657999992+03:00             14529   \n",
-       "2019-08-13 14:28:55.657999992+03:00              7146   \n",
-       "2019-08-13 15:02:17.657999992+03:00              2914   \n",
-       "2019-08-13 15:28:59.657999992+03:00              7195   \n",
-       "2019-08-13 15:59:01.657999992+03:00                91   \n",
-       "2019-08-13 16:29:03.657999992+03:00              3853   \n",
-       "2019-08-13 16:59:05.657999992+03:00              7419   \n",
-       "2020-01-09 02:08:03.895999908+02:00              4935   \n",
-       "2020-01-09 02:38:03.895999908+02:00              8734   \n",
-       "2020-01-09 03:08:03.895999908+02:00              1710   \n",
-       "2020-01-09 03:38:03.895999908+02:00              9054   \n",
-       "2020-01-09 04:08:03.895999908+02:00             12265   \n",
-       "2020-01-09 04:38:03.895999908+02:00              7281   \n",
-       "2020-01-09 05:08:03.895999908+02:00             14408   \n",
-       "2020-01-09 05:38:03.895999908+02:00              8478   \n",
-       "2020-01-09 06:08:03.895999908+02:00              4138   \n",
-       "2020-01-09 06:38:03.895999908+02:00              6729   \n",
-       "2020-01-09 07:08:03.895999908+02:00              8744   \n",
-       "2020-01-09 07:38:03.895999908+02:00             13308   \n",
-       "2020-01-09 09:08:03.895999908+02:00              4569   \n",
-       "2020-01-09 09:38:03.895999908+02:00              2590   \n",
-       "2020-01-09 10:08:03.895999908+02:00             13981   \n",
-       "2020-01-09 10:38:03.895999908+02:00              9601   \n",
+       "                                     is_silent  decibels  frequency  \\\n",
+       "2019-08-13 07:28:27.657999992+03:00          0        51       7735   \n",
+       "2019-08-13 07:58:29.657999992+03:00          0        90      13609   \n",
+       "2019-08-13 08:28:31.657999992+03:00          0        81       7690   \n",
+       "2019-08-13 08:58:33.657999992+03:00          0        58       8347   \n",
+       "2019-08-13 09:28:35.657999992+03:00          1        36      13592   \n",
        "\n",
        "                                                               datetime  \n",
        "2019-08-13 07:28:27.657999992+03:00 2019-08-13 07:28:27.657999992+03:00  \n",
        "2019-08-13 07:58:29.657999992+03:00 2019-08-13 07:58:29.657999992+03:00  \n",
        "2019-08-13 08:28:31.657999992+03:00 2019-08-13 08:28:31.657999992+03:00  \n",
        "2019-08-13 08:58:33.657999992+03:00 2019-08-13 08:58:33.657999992+03:00  \n",
-       "2019-08-13 09:28:35.657999992+03:00 2019-08-13 09:28:35.657999992+03:00  \n",
-       "2019-08-13 09:58:37.657999992+03:00 2019-08-13 09:58:37.657999992+03:00  \n",
-       "2019-08-13 10:28:39.657999992+03:00 2019-08-13 10:28:39.657999992+03:00  \n",
-       "2019-08-13 10:58:41.657999992+03:00 2019-08-13 10:58:41.657999992+03:00  \n",
-       "2019-08-13 11:28:43.657999992+03:00 2019-08-13 11:28:43.657999992+03:00  \n",
-       "2019-08-13 11:58:45.657999992+03:00 2019-08-13 11:58:45.657999992+03:00  \n",
-       "2019-08-13 12:28:47.657999992+03:00 2019-08-13 12:28:47.657999992+03:00  \n",
-       "2019-08-13 14:28:55.657999992+03:00 2019-08-13 14:28:55.657999992+03:00  \n",
-       "2019-08-13 15:02:17.657999992+03:00 2019-08-13 15:02:17.657999992+03:00  \n",
-       "2019-08-13 15:28:59.657999992+03:00 2019-08-13 15:28:59.657999992+03:00  \n",
-       "2019-08-13 15:59:01.657999992+03:00 2019-08-13 15:59:01.657999992+03:00  \n",
-       "2019-08-13 16:29:03.657999992+03:00 2019-08-13 16:29:03.657999992+03:00  \n",
-       "2019-08-13 16:59:05.657999992+03:00 2019-08-13 16:59:05.657999992+03:00  \n",
-       "2020-01-09 02:08:03.895999908+02:00 2020-01-09 02:08:03.895999908+02:00  \n",
-       "2020-01-09 02:38:03.895999908+02:00 2020-01-09 02:38:03.895999908+02:00  \n",
-       "2020-01-09 03:08:03.895999908+02:00 2020-01-09 03:08:03.895999908+02:00  \n",
-       "2020-01-09 03:38:03.895999908+02:00 2020-01-09 03:38:03.895999908+02:00  \n",
-       "2020-01-09 04:08:03.895999908+02:00 2020-01-09 04:08:03.895999908+02:00  \n",
-       "2020-01-09 04:38:03.895999908+02:00 2020-01-09 04:38:03.895999908+02:00  \n",
-       "2020-01-09 05:08:03.895999908+02:00 2020-01-09 05:08:03.895999908+02:00  \n",
-       "2020-01-09 05:38:03.895999908+02:00 2020-01-09 05:38:03.895999908+02:00  \n",
-       "2020-01-09 06:08:03.895999908+02:00 2020-01-09 06:08:03.895999908+02:00  \n",
-       "2020-01-09 06:38:03.895999908+02:00 2020-01-09 06:38:03.895999908+02:00  \n",
-       "2020-01-09 07:08:03.895999908+02:00 2020-01-09 07:08:03.895999908+02:00  \n",
-       "2020-01-09 07:38:03.895999908+02:00 2020-01-09 07:38:03.895999908+02:00  \n",
-       "2020-01-09 09:08:03.895999908+02:00 2020-01-09 09:08:03.895999908+02:00  \n",
-       "2020-01-09 09:38:03.895999908+02:00 2020-01-09 09:38:03.895999908+02:00  \n",
-       "2020-01-09 10:08:03.895999908+02:00 2020-01-09 10:08:03.895999908+02:00  \n",
-       "2020-01-09 10:38:03.895999908+02:00 2020-01-09 10:38:03.895999908+02:00  "
+       "2019-08-13 09:28:35.657999992+03:00 2019-08-13 09:28:35.657999992+03:00  "
       ]
      },
-     "execution_count": 7,
+     "execution_count": 29,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
     "data = data.rename(columns={'decibels': 'decibels', 'frequency': 'frequency'})\n",
-    "data"
+    "data.head()"
    ]
   },
   {
@@ -1466,95 +1067,95 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
        "      <th>audio_count_loud</th>\n",
        "      <th>device</th>\n",
+       "      <th>user</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>2020-01-09 01:40:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:30:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 03:20:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 04:10:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 05:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 05:50:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 06:40:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 07:30:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 08:20:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 09:10:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 10:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                   user  audio_count_loud        device\n",
-       "2020-01-09 01:40:00+02:00  jd9INuQ5BBlW                 1  3p83yASkOb_B\n",
-       "2020-01-09 02:30:00+02:00  jd9INuQ5BBlW                 2  3p83yASkOb_B\n",
-       "2020-01-09 03:20:00+02:00  jd9INuQ5BBlW                 2  3p83yASkOb_B\n",
-       "2020-01-09 04:10:00+02:00  jd9INuQ5BBlW                 0  3p83yASkOb_B\n",
-       "2020-01-09 05:00:00+02:00  jd9INuQ5BBlW                 1  3p83yASkOb_B\n",
-       "2020-01-09 05:50:00+02:00  jd9INuQ5BBlW                 1  3p83yASkOb_B\n",
-       "2020-01-09 06:40:00+02:00  jd9INuQ5BBlW                 1  OWd1Uau8POix\n",
-       "2020-01-09 07:30:00+02:00  jd9INuQ5BBlW                 0  OWd1Uau8POix\n",
-       "2020-01-09 08:20:00+02:00  jd9INuQ5BBlW                 1  OWd1Uau8POix\n",
-       "2020-01-09 09:10:00+02:00  jd9INuQ5BBlW                 1  OWd1Uau8POix\n",
-       "2020-01-09 10:00:00+02:00  jd9INuQ5BBlW                 2  OWd1Uau8POix"
+       "                           audio_count_loud        device          user\n",
+       "2020-01-09 01:40:00+02:00                 1  3p83yASkOb_B  jd9INuQ5BBlW\n",
+       "2020-01-09 02:30:00+02:00                 2  3p83yASkOb_B  jd9INuQ5BBlW\n",
+       "2020-01-09 03:20:00+02:00                 2  3p83yASkOb_B  jd9INuQ5BBlW\n",
+       "2020-01-09 04:10:00+02:00                 0  3p83yASkOb_B  jd9INuQ5BBlW\n",
+       "2020-01-09 05:00:00+02:00                 1  3p83yASkOb_B  jd9INuQ5BBlW\n",
+       "2020-01-09 05:50:00+02:00                 1  3p83yASkOb_B  jd9INuQ5BBlW\n",
+       "2020-01-09 06:40:00+02:00                 1  OWd1Uau8POix  jd9INuQ5BBlW\n",
+       "2020-01-09 07:30:00+02:00                 0  OWd1Uau8POix  jd9INuQ5BBlW\n",
+       "2020-01-09 08:20:00+02:00                 1  OWd1Uau8POix  jd9INuQ5BBlW\n",
+       "2020-01-09 09:10:00+02:00                 1  OWd1Uau8POix  jd9INuQ5BBlW\n",
+       "2020-01-09 10:00:00+02:00                 2  OWd1Uau8POix  jd9INuQ5BBlW"
       ]
      },
      "execution_count": 13,
@@ -1778,196 +1379,196 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
        "      <th>audio_count_loud</th>\n",
        "      <th>device</th>\n",
+       "      <th>user</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>2019-08-13 07:28:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>1</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 08:18:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>1</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 09:08:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>0</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 09:58:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>2</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 10:48:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>2</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 11:38:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>1</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 12:28:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>0</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 13:18:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>0</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 14:08:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>1</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 14:58:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>0</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 15:48:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>1</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-13 16:38:27.657999992+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
        "      <td>1</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:58:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 03:48:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 04:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 05:28:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 07:08:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 07:58:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 08:48:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 09:38:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 10:28:03.895999908+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                             user  audio_count_loud  \\\n",
-       "2019-08-13 07:28:27.657999992+03:00  iGyXetHE3S8u                 1   \n",
-       "2019-08-13 08:18:27.657999992+03:00  iGyXetHE3S8u                 1   \n",
-       "2019-08-13 09:08:27.657999992+03:00  iGyXetHE3S8u                 0   \n",
-       "2019-08-13 09:58:27.657999992+03:00  iGyXetHE3S8u                 2   \n",
-       "2019-08-13 10:48:27.657999992+03:00  iGyXetHE3S8u                 2   \n",
-       "2019-08-13 11:38:27.657999992+03:00  iGyXetHE3S8u                 1   \n",
-       "2019-08-13 12:28:27.657999992+03:00  iGyXetHE3S8u                 0   \n",
-       "2019-08-13 13:18:27.657999992+03:00  iGyXetHE3S8u                 0   \n",
-       "2019-08-13 14:08:27.657999992+03:00  iGyXetHE3S8u                 1   \n",
-       "2019-08-13 14:58:27.657999992+03:00  iGyXetHE3S8u                 0   \n",
-       "2019-08-13 15:48:27.657999992+03:00  iGyXetHE3S8u                 1   \n",
-       "2019-08-13 16:38:27.657999992+03:00  iGyXetHE3S8u                 1   \n",
-       "2020-01-09 02:08:03.895999908+02:00  jd9INuQ5BBlW                 2   \n",
-       "2020-01-09 02:58:03.895999908+02:00  jd9INuQ5BBlW                 2   \n",
-       "2020-01-09 03:48:03.895999908+02:00  jd9INuQ5BBlW                 1   \n",
-       "2020-01-09 04:38:03.895999908+02:00  jd9INuQ5BBlW                 0   \n",
-       "2020-01-09 05:28:03.895999908+02:00  jd9INuQ5BBlW                 2   \n",
-       "2020-01-09 07:08:03.895999908+02:00  jd9INuQ5BBlW                 1   \n",
-       "2020-01-09 07:58:03.895999908+02:00  jd9INuQ5BBlW                 0   \n",
-       "2020-01-09 08:48:03.895999908+02:00  jd9INuQ5BBlW                 1   \n",
-       "2020-01-09 09:38:03.895999908+02:00  jd9INuQ5BBlW                 2   \n",
-       "2020-01-09 10:28:03.895999908+02:00  jd9INuQ5BBlW                 1   \n",
+       "                                     audio_count_loud        device  \\\n",
+       "2019-08-13 07:28:27.657999992+03:00                 1  Cq9vueHh3zVs   \n",
+       "2019-08-13 08:18:27.657999992+03:00                 1  Cq9vueHh3zVs   \n",
+       "2019-08-13 09:08:27.657999992+03:00                 0  Cq9vueHh3zVs   \n",
+       "2019-08-13 09:58:27.657999992+03:00                 2  Cq9vueHh3zVs   \n",
+       "2019-08-13 10:48:27.657999992+03:00                 2  Cq9vueHh3zVs   \n",
+       "2019-08-13 11:38:27.657999992+03:00                 1  Cq9vueHh3zVs   \n",
+       "2019-08-13 12:28:27.657999992+03:00                 0  Cq9vueHh3zVs   \n",
+       "2019-08-13 13:18:27.657999992+03:00                 0  Cq9vueHh3zVs   \n",
+       "2019-08-13 14:08:27.657999992+03:00                 1  Cq9vueHh3zVs   \n",
+       "2019-08-13 14:58:27.657999992+03:00                 0  Cq9vueHh3zVs   \n",
+       "2019-08-13 15:48:27.657999992+03:00                 1  Cq9vueHh3zVs   \n",
+       "2019-08-13 16:38:27.657999992+03:00                 1  Cq9vueHh3zVs   \n",
+       "2020-01-09 02:08:03.895999908+02:00                 2  3p83yASkOb_B   \n",
+       "2020-01-09 02:58:03.895999908+02:00                 2  3p83yASkOb_B   \n",
+       "2020-01-09 03:48:03.895999908+02:00                 1  3p83yASkOb_B   \n",
+       "2020-01-09 04:38:03.895999908+02:00                 0  3p83yASkOb_B   \n",
+       "2020-01-09 05:28:03.895999908+02:00                 2  3p83yASkOb_B   \n",
+       "2020-01-09 07:08:03.895999908+02:00                 1  OWd1Uau8POix   \n",
+       "2020-01-09 07:58:03.895999908+02:00                 0  OWd1Uau8POix   \n",
+       "2020-01-09 08:48:03.895999908+02:00                 1  OWd1Uau8POix   \n",
+       "2020-01-09 09:38:03.895999908+02:00                 2  OWd1Uau8POix   \n",
+       "2020-01-09 10:28:03.895999908+02:00                 1  OWd1Uau8POix   \n",
        "\n",
-       "                                           device  \n",
-       "2019-08-13 07:28:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 08:18:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 09:08:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 09:58:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 10:48:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 11:38:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 12:28:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 13:18:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 14:08:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 14:58:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 15:48:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2019-08-13 16:38:27.657999992+03:00  Cq9vueHh3zVs  \n",
-       "2020-01-09 02:08:03.895999908+02:00  3p83yASkOb_B  \n",
-       "2020-01-09 02:58:03.895999908+02:00  3p83yASkOb_B  \n",
-       "2020-01-09 03:48:03.895999908+02:00  3p83yASkOb_B  \n",
-       "2020-01-09 04:38:03.895999908+02:00  3p83yASkOb_B  \n",
-       "2020-01-09 05:28:03.895999908+02:00  3p83yASkOb_B  \n",
-       "2020-01-09 07:08:03.895999908+02:00  OWd1Uau8POix  \n",
-       "2020-01-09 07:58:03.895999908+02:00  OWd1Uau8POix  \n",
-       "2020-01-09 08:48:03.895999908+02:00  OWd1Uau8POix  \n",
-       "2020-01-09 09:38:03.895999908+02:00  OWd1Uau8POix  \n",
-       "2020-01-09 10:28:03.895999908+02:00  OWd1Uau8POix  "
+       "                                             user  \n",
+       "2019-08-13 07:28:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 08:18:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 09:08:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 09:58:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 10:48:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 11:38:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 12:28:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 13:18:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 14:08:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 14:58:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 15:48:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2019-08-13 16:38:27.657999992+03:00  iGyXetHE3S8u  \n",
+       "2020-01-09 02:08:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 02:58:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 03:48:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 04:38:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 05:28:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 07:08:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 07:58:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 08:48:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 09:38:03.895999908+02:00  jd9INuQ5BBlW  \n",
+       "2020-01-09 10:28:03.895999908+02:00  jd9INuQ5BBlW  "
       ]
      },
      "execution_count": 16,
@@ -2109,53 +1710,53 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>user</th>\n",
        "      <th>audio_count_loud</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 07:30:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 01:40:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 08:20:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1</td>\n",
+       "      <th>2020-01-09 02:30:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 09:10:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1</td>\n",
+       "      <th>2020-01-09 03:20:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 10:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1</td>\n",
+       "      <th>2020-01-09 04:10:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 10:50:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>2</td>\n",
+       "      <th>2020-01-09 05:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                   user        device  audio_count_loud\n",
-       "2019-08-13 07:30:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 1\n",
-       "2019-08-13 08:20:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 1\n",
-       "2019-08-13 09:10:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 1\n",
-       "2019-08-13 10:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 1\n",
-       "2019-08-13 10:50:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 2"
+       "                                 device          user  audio_count_loud\n",
+       "2020-01-09 01:40:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 1\n",
+       "2020-01-09 02:30:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 2\n",
+       "2020-01-09 03:20:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 2\n",
+       "2020-01-09 04:10:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 0\n",
+       "2020-01-09 05:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 1"
       ]
      },
      "execution_count": 21,
@@ -2204,66 +1805,66 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>user</th>\n",
        "      <th>audio_count_loud</th>\n",
        "      <th>audio_min_freq</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 07:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1</td>\n",
-       "      <td>7735.0</td>\n",
+       "      <th>2020-01-09 02:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>2</td>\n",
+       "      <td>4935.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 08:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1</td>\n",
-       "      <td>7690.0</td>\n",
+       "      <th>2020-01-09 03:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>2</td>\n",
+       "      <td>1710.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 09:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 04:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
-       "      <td>756.0</td>\n",
+       "      <td>7281.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 10:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>2</td>\n",
-       "      <td>3059.0</td>\n",
+       "      <th>2020-01-09 05:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>1</td>\n",
+       "      <td>8478.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 11:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>2</td>\n",
-       "      <td>12278.0</td>\n",
+       "      <th>2020-01-09 06:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>1</td>\n",
+       "      <td>4138.0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                   user        device  audio_count_loud  \\\n",
-       "2019-08-13 07:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 1   \n",
-       "2019-08-13 08:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 1   \n",
-       "2019-08-13 09:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 1   \n",
-       "2019-08-13 10:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 2   \n",
-       "2019-08-13 11:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                 2   \n",
+       "                                 device          user  audio_count_loud  \\\n",
+       "2020-01-09 02:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 2   \n",
+       "2020-01-09 03:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 2   \n",
+       "2020-01-09 04:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 1   \n",
+       "2020-01-09 05:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 1   \n",
+       "2020-01-09 06:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                 1   \n",
        "\n",
        "                           audio_min_freq  \n",
-       "2019-08-13 07:00:00+03:00          7735.0  \n",
-       "2019-08-13 08:00:00+03:00          7690.0  \n",
-       "2019-08-13 09:00:00+03:00           756.0  \n",
-       "2019-08-13 10:00:00+03:00          3059.0  \n",
-       "2019-08-13 11:00:00+03:00         12278.0  "
+       "2020-01-09 02:00:00+02:00          4935.0  \n",
+       "2020-01-09 03:00:00+02:00          1710.0  \n",
+       "2020-01-09 04:00:00+02:00          7281.0  \n",
+       "2020-01-09 05:00:00+02:00          8478.0  \n",
+       "2020-01-09 06:00:00+02:00          4138.0  "
       ]
      },
      "execution_count": 22,
@@ -2314,66 +1915,66 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>user</th>\n",
        "      <th>audio_count_loud</th>\n",
        "      <th>audio_min_freq</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 00:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
        "      <th>2020-01-09 00:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>7.0</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
+       "      <th>2019-08-13 00:00:00+03:00</th>\n",
+       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>iGyXetHE3S8u</td>\n",
+       "      <td>10.0</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
        "      <th>2020-01-09 00:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>5.0</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 05:05:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 00:05:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>756.0</td>\n",
+       "      <td>1710.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 10:05:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 05:05:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>2914.0</td>\n",
+       "      <td>4138.0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                   user        device  audio_count_loud  \\\n",
-       "2019-08-13 00:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs              10.0   \n",
-       "2020-01-09 00:00:00+02:00  jd9INuQ5BBlW  3p83yASkOb_B               7.0   \n",
-       "2020-01-09 00:00:00+02:00  jd9INuQ5BBlW  OWd1Uau8POix               5.0   \n",
-       "2019-08-13 05:05:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs               NaN   \n",
-       "2019-08-13 10:05:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs               NaN   \n",
+       "                                 device          user  audio_count_loud  \\\n",
+       "2020-01-09 00:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW               7.0   \n",
+       "2019-08-13 00:00:00+03:00  Cq9vueHh3zVs  iGyXetHE3S8u              10.0   \n",
+       "2020-01-09 00:00:00+02:00  OWd1Uau8POix  jd9INuQ5BBlW               5.0   \n",
+       "2020-01-09 00:05:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW               NaN   \n",
+       "2020-01-09 05:05:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW               NaN   \n",
        "\n",
        "                           audio_min_freq  \n",
-       "2019-08-13 00:00:00+03:00             NaN  \n",
        "2020-01-09 00:00:00+02:00             NaN  \n",
+       "2019-08-13 00:00:00+03:00             NaN  \n",
        "2020-01-09 00:00:00+02:00             NaN  \n",
-       "2019-08-13 05:05:00+03:00           756.0  \n",
-       "2019-08-13 10:05:00+03:00          2914.0  "
+       "2020-01-09 00:05:00+02:00          1710.0  \n",
+       "2020-01-09 05:05:00+02:00          4138.0  "
       ]
      },
      "execution_count": 23,
@@ -2444,8 +2045,8 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>user</th>\n",
        "      <th>audio_count_silent</th>\n",
        "      <th>audio_count_speech</th>\n",
        "      <th>audio_count_loud</th>\n",
@@ -2463,93 +2064,93 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 07:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 02:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>4935.0</td>\n",
+       "      <td>4935.0</td>\n",
+       "      <td>4935.0</td>\n",
+       "      <td>4935.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>7735.0</td>\n",
-       "      <td>7735.0</td>\n",
-       "      <td>7735.0</td>\n",
-       "      <td>7735.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>51.0</td>\n",
-       "      <td>51.0</td>\n",
-       "      <td>51.0</td>\n",
-       "      <td>51.0</td>\n",
+       "      <td>84.0</td>\n",
+       "      <td>84.0</td>\n",
+       "      <td>84.0</td>\n",
+       "      <td>84.0</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 07:30:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 02:30:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>1.0</td>\n",
-       "      <td>13609.0</td>\n",
-       "      <td>13609.0</td>\n",
-       "      <td>13609.0</td>\n",
-       "      <td>13609.0</td>\n",
+       "      <td>8734.0</td>\n",
+       "      <td>8734.0</td>\n",
+       "      <td>8734.0</td>\n",
+       "      <td>8734.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>90.0</td>\n",
-       "      <td>90.0</td>\n",
-       "      <td>90.0</td>\n",
-       "      <td>90.0</td>\n",
+       "      <td>89.0</td>\n",
+       "      <td>89.0</td>\n",
+       "      <td>89.0</td>\n",
+       "      <td>89.0</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 08:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 03:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>1.0</td>\n",
-       "      <td>7690.0</td>\n",
-       "      <td>7690.0</td>\n",
-       "      <td>7690.0</td>\n",
-       "      <td>7690.0</td>\n",
+       "      <td>1710.0</td>\n",
+       "      <td>1710.0</td>\n",
+       "      <td>1710.0</td>\n",
+       "      <td>1710.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>81.0</td>\n",
-       "      <td>81.0</td>\n",
-       "      <td>81.0</td>\n",
-       "      <td>81.0</td>\n",
+       "      <td>99.0</td>\n",
+       "      <td>99.0</td>\n",
+       "      <td>99.0</td>\n",
+       "      <td>99.0</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 08:30:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2020-01-09 03:30:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>8347.0</td>\n",
-       "      <td>8347.0</td>\n",
-       "      <td>8347.0</td>\n",
-       "      <td>8347.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>9054.0</td>\n",
+       "      <td>9054.0</td>\n",
+       "      <td>9054.0</td>\n",
+       "      <td>9054.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>58.0</td>\n",
-       "      <td>58.0</td>\n",
-       "      <td>58.0</td>\n",
-       "      <td>58.0</td>\n",
+       "      <td>77.0</td>\n",
+       "      <td>77.0</td>\n",
+       "      <td>77.0</td>\n",
+       "      <td>77.0</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-13 09:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>1</td>\n",
+       "      <th>2020-01-09 04:00:00+02:00</th>\n",
+       "      <td>3p83yASkOb_B</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
+       "      <td>0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>13592.0</td>\n",
-       "      <td>13592.0</td>\n",
-       "      <td>13592.0</td>\n",
-       "      <td>13592.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>12265.0</td>\n",
+       "      <td>12265.0</td>\n",
+       "      <td>12265.0</td>\n",
+       "      <td>12265.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>36.0</td>\n",
-       "      <td>36.0</td>\n",
-       "      <td>36.0</td>\n",
-       "      <td>36.0</td>\n",
+       "      <td>80.0</td>\n",
+       "      <td>80.0</td>\n",
+       "      <td>80.0</td>\n",
+       "      <td>80.0</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
@@ -2557,47 +2158,47 @@
        "</div>"
       ],
       "text/plain": [
-       "                                   user        device  audio_count_silent  \\\n",
-       "2019-08-13 07:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                   0   \n",
-       "2019-08-13 07:30:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                   0   \n",
-       "2019-08-13 08:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                   0   \n",
-       "2019-08-13 08:30:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                   0   \n",
-       "2019-08-13 09:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs                   1   \n",
+       "                                 device          user  audio_count_silent  \\\n",
+       "2020-01-09 02:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                   0   \n",
+       "2020-01-09 02:30:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                   0   \n",
+       "2020-01-09 03:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                   0   \n",
+       "2020-01-09 03:30:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                   0   \n",
+       "2020-01-09 04:00:00+02:00  3p83yASkOb_B  jd9INuQ5BBlW                   0   \n",
        "\n",
        "                           audio_count_speech  audio_count_loud  \\\n",
-       "2019-08-13 07:00:00+03:00                 NaN               NaN   \n",
-       "2019-08-13 07:30:00+03:00                 NaN               1.0   \n",
-       "2019-08-13 08:00:00+03:00                 NaN               1.0   \n",
-       "2019-08-13 08:30:00+03:00                 NaN               0.0   \n",
-       "2019-08-13 09:00:00+03:00                 NaN               0.0   \n",
+       "2020-01-09 02:00:00+02:00                 NaN               1.0   \n",
+       "2020-01-09 02:30:00+02:00                 NaN               1.0   \n",
+       "2020-01-09 03:00:00+02:00                 NaN               1.0   \n",
+       "2020-01-09 03:30:00+02:00                 NaN               1.0   \n",
+       "2020-01-09 04:00:00+02:00                 NaN               1.0   \n",
        "\n",
        "                           audio_min_freq  audio_max_freq  audio_mean_freq  \\\n",
-       "2019-08-13 07:00:00+03:00          7735.0          7735.0           7735.0   \n",
-       "2019-08-13 07:30:00+03:00         13609.0         13609.0          13609.0   \n",
-       "2019-08-13 08:00:00+03:00          7690.0          7690.0           7690.0   \n",
-       "2019-08-13 08:30:00+03:00          8347.0          8347.0           8347.0   \n",
-       "2019-08-13 09:00:00+03:00         13592.0         13592.0          13592.0   \n",
+       "2020-01-09 02:00:00+02:00          4935.0          4935.0           4935.0   \n",
+       "2020-01-09 02:30:00+02:00          8734.0          8734.0           8734.0   \n",
+       "2020-01-09 03:00:00+02:00          1710.0          1710.0           1710.0   \n",
+       "2020-01-09 03:30:00+02:00          9054.0          9054.0           9054.0   \n",
+       "2020-01-09 04:00:00+02:00         12265.0         12265.0          12265.0   \n",
        "\n",
        "                           audio_median_freq  audio_std_freq  audio_min_db  \\\n",
-       "2019-08-13 07:00:00+03:00             7735.0             NaN          51.0   \n",
-       "2019-08-13 07:30:00+03:00            13609.0             NaN          90.0   \n",
-       "2019-08-13 08:00:00+03:00             7690.0             NaN          81.0   \n",
-       "2019-08-13 08:30:00+03:00             8347.0             NaN          58.0   \n",
-       "2019-08-13 09:00:00+03:00            13592.0             NaN          36.0   \n",
+       "2020-01-09 02:00:00+02:00             4935.0             NaN          84.0   \n",
+       "2020-01-09 02:30:00+02:00             8734.0             NaN          89.0   \n",
+       "2020-01-09 03:00:00+02:00             1710.0             NaN          99.0   \n",
+       "2020-01-09 03:30:00+02:00             9054.0             NaN          77.0   \n",
+       "2020-01-09 04:00:00+02:00            12265.0             NaN          80.0   \n",
        "\n",
        "                           audio_max_db  audio_mean_db  audio_median_db  \\\n",
-       "2019-08-13 07:00:00+03:00          51.0           51.0             51.0   \n",
-       "2019-08-13 07:30:00+03:00          90.0           90.0             90.0   \n",
-       "2019-08-13 08:00:00+03:00          81.0           81.0             81.0   \n",
-       "2019-08-13 08:30:00+03:00          58.0           58.0             58.0   \n",
-       "2019-08-13 09:00:00+03:00          36.0           36.0             36.0   \n",
+       "2020-01-09 02:00:00+02:00          84.0           84.0             84.0   \n",
+       "2020-01-09 02:30:00+02:00          89.0           89.0             89.0   \n",
+       "2020-01-09 03:00:00+02:00          99.0           99.0             99.0   \n",
+       "2020-01-09 03:30:00+02:00          77.0           77.0             77.0   \n",
+       "2020-01-09 04:00:00+02:00          80.0           80.0             80.0   \n",
        "\n",
        "                           audio_std_db  \n",
-       "2019-08-13 07:00:00+03:00           NaN  \n",
-       "2019-08-13 07:30:00+03:00           NaN  \n",
-       "2019-08-13 08:00:00+03:00           NaN  \n",
-       "2019-08-13 08:30:00+03:00           NaN  \n",
-       "2019-08-13 09:00:00+03:00           NaN  "
+       "2020-01-09 02:00:00+02:00           NaN  \n",
+       "2020-01-09 02:30:00+02:00           NaN  \n",
+       "2020-01-09 03:00:00+02:00           NaN  \n",
+       "2020-01-09 03:30:00+02:00           NaN  \n",
+       "2020-01-09 04:00:00+02:00           NaN  "
       ]
      },
      "execution_count": 25,