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Diffstat (limited to 'pd/doc/3.audio.examples/I06.timbre.stamp.pd')
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1 files changed, 370 insertions, 0 deletions
diff --git a/pd/doc/3.audio.examples/I06.timbre.stamp.pd b/pd/doc/3.audio.examples/I06.timbre.stamp.pd new file mode 100644 index 00000000..0fd540cd --- /dev/null +++ b/pd/doc/3.audio.examples/I06.timbre.stamp.pd @@ -0,0 +1,370 @@ +#N canvas 72 0 668 530 12; +#N canvas 147 0 795 617 fft-analysis 0; +#X obj 94 511 *~; +#X obj 55 511 *~; +#X obj 413 356 *~; +#X obj 372 356 *~; +#X obj 372 379 +~; +#X obj 54 183 *~; +#X obj 54 158 inlet~; +#X obj 54 206 rfft~; +#X obj 54 560 *~; +#X obj 141 245 *~; +#X obj 372 333 rfft~; +#X obj 54 535 rifft~; +#X obj 54 583 outlet~; +#X obj 107 245 *~; +#X obj 107 268 +~; +#X text 458 408 modulus; +#X obj 107 420 *~; +#X obj 600 13 block~ 1024 4; +#X obj 107 398 clip~; +#X obj 87 184 tabreceive~ \$0-hann; +#X obj 599 53 loadbang; +#X obj 148 346 r squelch; +#X obj 147 369 expr 0.01*$f1*$f1; +#X obj 107 294 +~ 1e-20; +#X obj 108 480 *~ 0.00065; +#X obj 87 560 tabreceive~ \$0-hann; +#X obj 373 307 *~; +#X obj 373 282 inlet~; +#X obj 406 308 tabreceive~ \$0-hann; +#X obj 107 321 q8_rsqrt~; +#X obj 372 402 q8_sqrt~; +#X text 458 425 of control; +#X text 456 442 amplitude; +#X text 196 248 reciprocal; +#X text 199 267 modulus of; +#X text 195 287 filter input; +#X text 196 306 amplitude; +#X msg 599 76 \; pd dsp 1 \; window-size 1024 \; squelch 30 \; squelch-set +set 30; +#X text 115 159 filter input; +#X text 438 282 control source; +#X text 434 332 Fourier transform; +#X text 28 17 Internal workings of the timbre stamping algorithm. First +the "filter input" is treated as in the compressor patch \, multiplying +each channel amplitude by one over its modulus (but limited by the +"squelch" parameter.) It is then multiplied by the modulus of the channel +amplitude for the control source (which is Fourier analyzed in parallel +with the filter input.); +#X text 145 422 multiply the two amplitude; +#X text 143 439 factors (for compression; +#X text 145 455 and to apply new timbre); +#X connect 0 0 11 1; +#X connect 1 0 11 0; +#X connect 2 0 4 1; +#X connect 3 0 4 0; +#X connect 4 0 30 0; +#X connect 5 0 7 0; +#X connect 6 0 5 0; +#X connect 7 0 13 0; +#X connect 7 0 13 1; +#X connect 7 0 1 0; +#X connect 7 1 9 0; +#X connect 7 1 9 1; +#X connect 7 1 0 0; +#X connect 8 0 12 0; +#X connect 9 0 14 1; +#X connect 10 0 3 0; +#X connect 10 0 3 1; +#X connect 10 1 2 0; +#X connect 10 1 2 1; +#X connect 11 0 8 0; +#X connect 13 0 14 0; +#X connect 14 0 23 0; +#X connect 16 0 24 0; +#X connect 18 0 16 0; +#X connect 19 0 5 1; +#X connect 20 0 37 0; +#X connect 21 0 22 0; +#X connect 22 0 18 2; +#X connect 23 0 29 0; +#X connect 24 0 0 1; +#X connect 24 0 1 1; +#X connect 25 0 8 1; +#X connect 26 0 10 0; +#X connect 27 0 26 0; +#X connect 28 0 26 1; +#X connect 29 0 18 0; +#X connect 30 0 16 1; +#X restore 86 444 pd fft-analysis; +#X text 137 12 CORT&ZACK's SECRET; +#X text 27 422 filter; +#X text 29 437 input; +#X text 232 441 source; +#X text 233 422 control; +#X floatatom 53 300 0 0 500 0 - squelch-set -; +#X obj 53 324 s squelch; +#X obj 86 468 output~; +#X msg 157 278 ../sound/bell.aiff; +#X msg 157 303 ../sound/voice.wav; +#X msg 157 328 ../sound/voice2.wav; +#X obj 157 354 s read-sound1; +#X msg 373 280 ../sound/bell.aiff; +#X msg 373 305 ../sound/voice.wav; +#X msg 373 330 ../sound/voice2.wav; +#X obj 373 355 s read-sound2; +#X text 386 256 control source; +#X text 169 255 filter input; +#X text 255 231 change input sounds; +#X floatatom 454 409 5 0 0 0 - #0-samp-msec -; +#X obj 87 394 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X obj 215 395 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#N canvas 190 43 661 593 test-signals 0; +#X obj 90 444 line~; +#X obj 90 369 f; +#X obj 90 524 outlet~; +#X msg 90 423 0 \, \$1 \$2; +#X obj 90 397 pack 0 0; +#X obj 190 344 /; +#X obj 249 325 * 0.001; +#X obj 90 497 hip~ 5; +#X obj 35 246 loadbang; +#X msg 90 322 1; +#X obj 90 344 metro 1000; +#X obj 191 302 t b b f; +#X obj 117 270 t b f; +#X obj 90 469 tabread4~ \$0-sample; +#X text 21 28 test signal: looped sample playback; +#X obj 40 159 hip~ 5; +#X obj 40 135 adc~ 1; +#X obj 102 159 s insamprate; +#X obj 40 98 inlet; +#X obj 102 135 samplerate~; +#X obj 116 246 r \$0-samplength; +#X obj 191 276 r \$0-insamprate; +#X obj 40 182 tabwrite~ \$0-sample; +#X obj 398 437 line~; +#X obj 398 362 f; +#X obj 398 517 outlet~; +#X msg 398 416 0 \, \$1 \$2; +#X obj 398 390 pack 0 0; +#X obj 498 337 /; +#X obj 557 318 * 0.001; +#X obj 398 490 hip~ 5; +#X obj 343 239 loadbang; +#X msg 398 315 1; +#X obj 398 337 metro 1000; +#X obj 499 295 t b b f; +#X obj 425 263 t b f; +#X obj 348 152 hip~ 5; +#X obj 348 128 adc~ 1; +#X obj 348 91 inlet; +#X obj 410 128 samplerate~; +#X obj 410 152 s insamprate2; +#X obj 348 175 tabwrite~ \$0-sample2; +#X obj 424 239 r \$0-samplength2; +#X obj 499 269 r \$0-insamprate2; +#X obj 398 462 tabread4~ \$0-sample2; +#X connect 0 0 13 0; +#X connect 1 0 4 0; +#X connect 3 0 0 0; +#X connect 4 0 3 0; +#X connect 5 0 4 1; +#X connect 5 0 10 1; +#X connect 6 0 5 1; +#X connect 7 0 2 0; +#X connect 8 0 9 0; +#X connect 9 0 10 0; +#X connect 10 0 1 0; +#X connect 11 0 9 0; +#X connect 11 1 5 0; +#X connect 11 2 6 0; +#X connect 12 0 9 0; +#X connect 12 1 5 0; +#X connect 12 1 1 1; +#X connect 13 0 7 0; +#X connect 15 0 22 0; +#X connect 16 0 15 0; +#X connect 18 0 19 0; +#X connect 18 0 16 0; +#X connect 19 0 17 0; +#X connect 20 0 12 0; +#X connect 21 0 11 0; +#X connect 23 0 44 0; +#X connect 24 0 27 0; +#X connect 26 0 23 0; +#X connect 27 0 26 0; +#X connect 28 0 27 1; +#X connect 28 0 33 1; +#X connect 29 0 28 1; +#X connect 30 0 25 0; +#X connect 31 0 32 0; +#X connect 32 0 33 0; +#X connect 33 0 24 0; +#X connect 34 0 32 0; +#X connect 34 1 28 0; +#X connect 34 2 29 0; +#X connect 35 0 32 0; +#X connect 35 1 28 0; +#X connect 35 1 24 1; +#X connect 36 0 41 0; +#X connect 37 0 36 0; +#X connect 38 0 39 0; +#X connect 38 0 37 0; +#X connect 39 0 40 0; +#X connect 42 0 35 0; +#X connect 43 0 34 0; +#X connect 44 0 30 0; +#X restore 87 415 pd test-signals; +#X text 104 393 <- record ->; +#N canvas 388 86 722 350 insample2 0; +#N canvas 0 0 450 300 graph1 0; +#X array \$0-sample2 62079 float 0; +#X coords 0 1 62078 -1 400 150 1; +#X restore 298 24 graph; +#X obj 19 74 unpack s f; +#X obj 19 184 soundfiler; +#X text 356 250 read a sample; +#X obj 276 249 loadbang; +#X obj 19 100 t s b; +#X obj 19 135 pack s s; +#X msg 19 160 read -resize \$1 \$2; +#X obj 74 46 44100; +#X obj 19 47 t a b; +#X obj 19 247 /; +#X obj 19 271 * 1000; +#X obj 19 23 r read-sound2; +#X obj 116 74 s \$0-insamprate2; +#X obj 75 99 symbol \$0-sample2; +#X obj 29 208 s \$0-samplength2; +#X obj 57 247 r \$0-insamprate2; +#X obj 19 294 s \$0-samp2-msec; +#X msg 276 273 \; read-sound2 ../sound/voice.wav; +#X connect 1 0 5 0; +#X connect 1 1 13 0; +#X connect 2 0 10 0; +#X connect 2 0 15 0; +#X connect 4 0 18 0; +#X connect 5 0 6 0; +#X connect 5 1 14 0; +#X connect 6 0 7 0; +#X connect 7 0 2 0; +#X connect 8 0 13 0; +#X connect 9 0 1 0; +#X connect 9 1 8 0; +#X connect 10 0 11 0; +#X connect 11 0 17 0; +#X connect 12 0 9 0; +#X connect 14 0 6 1; +#X connect 16 0 10 1; +#X restore 334 430 pd insample2; +#N canvas 388 86 722 350 insample1 0; +#N canvas 0 0 450 300 graph1 0; +#X array \$0-sample 155948 float 0; +#X coords 0 1 155947 -1 400 150 1; +#X restore 259 24 graph; +#X obj 19 74 unpack s f; +#X obj 19 184 soundfiler; +#X text 356 250 read a sample; +#X obj 276 249 loadbang; +#X obj 19 100 t s b; +#X obj 75 99 symbol \$0-sample; +#X obj 19 135 pack s s; +#X msg 19 160 read -resize \$1 \$2; +#X obj 74 46 44100; +#X obj 19 47 t a b; +#X obj 29 208 s \$0-samplength; +#X obj 116 74 s \$0-insamprate; +#X obj 19 247 /; +#X obj 19 271 * 1000; +#X obj 19 294 s \$0-samp-msec; +#X obj 57 247 r \$0-insamprate; +#X obj 19 23 r read-sound1; +#X msg 276 273 \; read-sound1 ../sound/bell.aiff; +#X connect 1 0 5 0; +#X connect 1 1 12 0; +#X connect 2 0 11 0; +#X connect 2 0 13 0; +#X connect 4 0 18 0; +#X connect 5 0 7 0; +#X connect 5 1 6 0; +#X connect 6 0 7 1; +#X connect 7 0 8 0; +#X connect 8 0 2 0; +#X connect 9 0 12 0; +#X connect 10 0 1 0; +#X connect 10 1 9 0; +#X connect 13 0 14 0; +#X connect 14 0 15 0; +#X connect 16 0 13 1; +#X connect 17 0 10 0; +#X restore 334 408 pd insample1; +#X floatatom 453 432 5 0 0 0 - #0-samp2-msec -; +#N canvas 0 110 565 454 hann-window 0; +#N canvas 0 0 450 300 graph1 0; +#X array \$0-hann 1024 float 0; +#X coords 0 1 1023 0 300 100 1; +#X restore 82 311 graph; +#X obj 378 165 osc~; +#X obj 378 190 *~ -0.5; +#X obj 378 214 +~ 0.5; +#X obj 331 247 tabwrite~ \$0-hann; +#X obj 37 88 r window-size; +#X obj 38 173 /; +#X obj 127 142 samplerate~; +#X obj 38 251 s window-sec; +#X obj 177 204 swap; +#X obj 177 228 /; +#X obj 177 252 s window-hz; +#X obj 49 201 * 1000; +#X obj 49 228 s window-msec; +#X obj 38 115 t f b f; +#X msg 173 92 resize \$1; +#X obj 173 116 s \$0-hann; +#X obj 330 105 r window-hz; +#X msg 382 130 0; +#X obj 330 131 t f b; +#X text 15 8 calculate Hann window table (variable window size) and +constants window-hz (fundamental frequency of analysis) \, window-sec +and window-msec (analysis window size in seconds and msec).; +#X connect 1 0 2 0; +#X connect 2 0 3 0; +#X connect 3 0 4 0; +#X connect 5 0 14 0; +#X connect 6 0 8 0; +#X connect 6 0 12 0; +#X connect 7 0 6 1; +#X connect 7 0 9 1; +#X connect 9 0 10 0; +#X connect 9 1 10 1; +#X connect 10 0 11 0; +#X connect 12 0 13 0; +#X connect 14 0 6 0; +#X connect 14 0 9 0; +#X connect 14 1 7 0; +#X connect 14 2 15 0; +#X connect 15 0 16 0; +#X connect 17 0 19 0; +#X connect 18 0 1 1; +#X connect 19 0 1 0; +#X connect 19 1 4 0; +#X connect 19 1 18 0; +#X restore 334 455 pd hann-window; +#X text 509 412 sample lengths \,; +#X text 510 427 msec; +#X text 27 35 This is a Fourier-based "vocoder" (perhaps better called +a "timbre stamp") like the one the Convolution brothers use. The "control +source" is analyzed to get its spectral envelope \, which is then stamped +onto the "filter input" by adjusting the amplitudes of its Fourier +transform. The "filter input" is first whitened by the compression +algorithm from the previous patch in this series. The best value of +"squelch" to use depends critically on what kind of sounds are used +for the filter input and the control source.; +#X text 402 498 updated for Pd version 0.39; +#X connect 0 0 8 0; +#X connect 0 0 8 1; +#X connect 6 0 7 0; +#X connect 9 0 12 0; +#X connect 10 0 12 0; +#X connect 11 0 12 0; +#X connect 13 0 16 0; +#X connect 14 0 16 0; +#X connect 15 0 16 0; +#X connect 21 0 23 0; +#X connect 22 0 23 1; +#X connect 23 0 0 0; +#X connect 23 1 0 1; |