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+spectralgate-help.pd
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+spectralgate-help.pd
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#X restore 245 44 graph;
#X obj 598 303 dac~;
#X obj 598 253 *~;
#X msg 90 284 threshold \$1;
#X floatatom 90 266 5 0 0 0 - - -;
#X floatatom 205 266 5 0 0 0 - - -;
#X floatatom 298 266 5 0 0 0 - - -;
#X floatatom 400 266 5 -60 60 0 - - -;
#X floatatom 347 387 5 0 60 0 - - -;
#X msg 205 284 attack \$1;
#X msg 298 284 release \$1;
#X msg 400 284 gain \$1;
#X floatatom 265 387 5 0 0 0 - - -;
#X msg 265 405 tilt \$1;
#X msg 23 258 reset;
#X msg 175 405 learn \$1;
#X obj 175 385 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
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#X obj 23 380 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1
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#X msg 23 400 peaktrack \$1;
#X msg 347 405 makeupgain \$1;
#X obj 23 84 hradio 15 1 0 2 empty empty empty 0 -8 0 10 -262144 -1
-1 1;
#X msg 23 104 type \$1;
#X obj 638 119 r sg;
#X obj 598 159 +spectralgate~ sg-array;
#X obj 598 65 bng 15 250 50 0 sg_openfile empty open-soundfile 17 7
0 12 -4034 -1 -1;
#N canvas 657 107 720 531 init 0;
#X obj 37 18 loadbang;
#X msg 146 446 \; pd dsp 1 \;;
#X msg 164 391 80;
#X msg 244 337 0;
#X msg 370 187 0;
#X msg 409 159 0;
#X msg 329 213 -40;
#X msg 283 309 0.1;
#X msg 290 241 0.5;
#X obj 164 412 s sg-volume-set;
#X obj 370 208 s sg-gain-set;
#X obj 329 234 s sg-thresh-set;
#X obj 290 262 s sg-release-set;
#X obj 283 330 s sg-attack-set;
#X obj 244 358 s sg-tilt-set;
#X obj 409 180 s sg-learn-set;
#X msg 203 363 0;
#X obj 203 384 s sc-makeupgain-set;
#X msg 459 129 0;
#X obj 459 150 s sg-type-set;
#X obj 37 39 t b b b b b b b b b b b;
#X msg 324 33 \; sg-array ylabel -40 -96 -40 0 40 96 \;;
#X connect 0 0 20 0;
#X connect 2 0 9 0;
#X connect 3 0 14 0;
#X connect 4 0 10 0;
#X connect 5 0 15 0;
#X connect 6 0 11 0;
#X connect 7 0 13 0;
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#X connect 20 0 1 0;
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#X connect 20 3 3 0;
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#X connect 20 10 21 0;
#X restore 710 -26 pd init;
#X obj 25 -137 cnv 15 500 100 empty empty empty 20 12 0 14 -228856
-66577 0;
#X text 28 -164 +spectralgate~;
#N canvas 353 74 961 363 spectralgate-details 0;
#X text 32 19 threshold - This is the point at which the gate starts
to operate. It can be varied from -96 dB to 0 dB. The level of the
input sound at every frequency is compared against the threshold. If
gating \, the gain is applied whenever the input sound is lower than
the threshold. If ducking \, the gain is applied whenever the input
sound is higher than the threshold. If the shaping line in the spectral
display is used to give the threshold a complex shape \, the threshold
knob represents the average threshold of the shaping line.;
#X text 32 149 gain - This regulates the amount of gain applied when
the +spectralgate is in gate mode and the sound is below the threshold
\, or in duck mode and the sound is above the threshold. gain can be
varied from -60 dB to 60 dB.;
#X text 31 221 attack and release - These controls specify how quickly
the gate will turn on (attack) or turn off (release) after passing
the threshold. They both can be varied from 0 to 1 second. A longer
value will smooth the transition from ungated to gated \, making the
transition less noticeable. A shorter value will make the transition
more abrupt.;
#X text 492 19 tilt - This control gives you an easy way to change
the threshold shape \, either by raising the high frequencies and lowering
the low \, or vice-versa. Tilt can go from a 6 dB per octave boost
of the high frequencies to a -6 dB per octave cut of the high frequencies.
;
#X text 492 99 makeupgain - This is a simple level adjustment that
affects all frequencies \, whether gated or not. It is automatically
adjusted as gain and threshold are adjusted to attempt to maintain
a unity gain for the effect. The range is -60 dB to 60 dB.;
#X text 492 179 learn - This button will take the spectral shape of
the current input sound and set the threshold from it. This is useful
if you are trying to gate a specific type of sound.;
#X text 492 229 reset - This button resets the threshold shape to a
straight line.;
#X text 492 268 peaktrack - This causes the threshold shape to track
the peak sound. This is useful if you want to maintain the same spectral
density regardless of the sound level.;
#X restore 598 -47 pd spectralgate-details;
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#N canvas 0 22 450 300 (subpatch) 0;
#X array sg_soundfile 250904 float 2;
#X coords 0 1 250904 -1 200 140 1;
#X restore 34 31 graph;
#X obj 281 33 openpanel;
#X obj 281 96 soundfiler;
#X obj 281 171 phasor~ 0.5;
#X obj 281 198 *~;
#X obj 451 413 /;
#X obj 451 348 t b f;
#X obj 451 371 samplerate~;
#X obj 281 288 outlet~;
#X obj 281 231 tabread~ sg_soundfile;
#X obj 322 198 r sg_filelength;
#X obj 451 320 r sg_filelength;
#X obj 451 440 s sg_phasorfreq;
#X obj 281 146 r sg_phasorfreq;
#X obj 281 121 s sg_filelength;
#X msg 281 64 read -resize -maxsize 2e+06 \$1 sg_soundfile;
#X obj 281 11 r sg_openfile;
#X connect 1 0 15 0;
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#X connect 3 0 4 0;
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#X restore 598 89 pd sg_soundfile;
#X obj 616 222 dbtorms~;
#X obj 619 201 hsl 128 15 0 100 0 0 empty sg-volume-set volume -2 -8
0 12 -228856 -1 -1 12700 1;
#X msg 43 132 set sg-array;
#X text 30 -132 +spectralgate~ is a spectral version of the standard
noise gate/ducker dynamics processor. It divides the frequency range
into 513 bands \, and applies a separate noise gate on each band. This
allows you to gate or duck some bands without affecting others \, thus
affecting only specific frequencies. In addition \, you can draw a
threshold shape \, setting a separate threshold for each frequency.
;
#X obj 23 421 s sg;
#X obj 23 300 s sg;
#X obj 23 185 s sg;
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#X connect 30 0 2 1;
#X connect 31 0 30 0;
#X connect 32 0 36 0;