Background audio noise in v2.33 #120
Replies: 4 comments 9 replies
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Probably because I increased the SPI speed to update the screen faster. Perhaps I'll drop this back. Noise on TSynth is either the SPI clock or from USB connections or ground loops. |
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I also have a lot of noise like @gruedisueli despite using a power bank. Is there a solution now? Otherwise the TSynth is unusable. |
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You can attach files by pressing the paperclip. |
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I have a ZIP file with the audio and get the error "We don’t support that file type.". Sorry, no idea why. |
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Test.zip |
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Zip files will upload. |
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not here :-(
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v2.33 TSynth.Noise.mp4 |
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It's SPI noise from the display. I'll compile another firmware with the SPI speed lower and you can see if that makes a difference. |
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Try this please. |
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Okay, the noise hasn't gone away, but it's noticeably quieter! |
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When updating to v2.33 I note that the TSynth has a constant background buzz on the audio line, regardless of patch or volume. I can confirm that this is not the case in v2.32 or 2.31. Here's an audio sample, you should wear headphones to hear it because it's somewhat quiet.
Tsynth noise on v2.33.zip
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