Added about 64 files that I hadn't realized weren't in the CVS

repository.  Threw in pd/portaudio/pa_win_wdmks for good measure, although
I haven't tried compiling that in yet (no windoze machine handy today).

svn path=/trunk/; revision=4316

1 files changed, 237 insertions, 0 deletions

diff --git a/pd/doc/3.audio.examples/I05.compressor.pd b/pd/doc/3.audio.examples/I05.compressor.pd
new file mode 100644
index 00000000..10fe3375
--- /dev/null
+++ b/pd/doc/3.audio.examples/I05.compressor.pd
@@ -0,0 +1,237 @@
+#N canvas 557 371 620 428 12;
+#N canvas 297 254 646 523 fft-analysis 0;
+#X obj 115 409 *~;
+#X obj 75 409 *~;
+#X obj 76 114 *~;
+#X obj 77 88 inlet~;
+#X obj 76 137 rfft~;
+#X obj 75 466 *~;
+#X obj 171 177 *~;
+#X obj 75 432 rifft~;
+#X obj 75 489 outlet~;
+#X obj 137 177 *~;
+#X obj 137 200 +~;
+#X obj 461 85 block~ 1024 4;
+#X obj 137 351 clip~;
+#X obj 178 306 r squelch;
+#X obj 110 114 tabreceive~ \$0-hann;
+#X obj 177 329 expr 0.01*$f1*$f1;
+#X obj 461 116 loadbang;
+#X obj 137 381 *~ 0.00065;
+#X obj 137 225 +~ 1e-20;
+#X obj 136 262 q8_rsqrt~;
+#X obj 109 466 tabreceive~ \$0-hann;
+#X text 31 5 As in the previous patch \, this works by multiplying
+each channel of the Fourier analysis by a real number computed from
+the magnitude. If the magnutude is "m" \, the correction factor is
+1/m \, but only to an upper limit controlled by the "squelch" parameter.
+;
+#X text 211 174 squared magnitude;
+#X text 219 225 protect against divide-by-zero;
+#X text 223 261 quick 8-bit-accurate reciprocal square root;
+#X text 222 277 (done by table lookup - about 0.25% accurate);
+#X text 193 351 limit the gain to squelch*squelch/100;
+#X text 238 381 normalize for 1024-point \, overlap-4 Hann;
+#X text 151 409 multiply gain by real and complex part;
+#X text 152 429 of the amplitude;
+#X text 130 137 outputs complex amplitudes;
+#X msg 461 139 \; pd dsp 1 \; window-size 1024 \; squelch 10 \; squelch-set
+set 10;
+#X connect 0 0 7 1;
+#X connect 1 0 7 0;
+#X connect 2 0 4 0;
+#X connect 3 0 2 0;
+#X connect 4 0 9 0;
+#X connect 4 0 9 1;
+#X connect 4 0 1 0;
+#X connect 4 1 6 0;
+#X connect 4 1 6 1;
+#X connect 4 1 0 0;
+#X connect 5 0 8 0;
+#X connect 6 0 10 1;
+#X connect 7 0 5 0;
+#X connect 9 0 10 0;
+#X connect 10 0 18 0;
+#X connect 12 0 17 0;
+#X connect 13 0 15 0;
+#X connect 14 0 2 1;
+#X connect 15 0 12 2;
+#X connect 16 0 31 0;
+#X connect 17 0 0 1;
+#X connect 17 0 1 1;
+#X connect 18 0 19 0;
+#X connect 19 0 12 0;
+#X connect 20 0 5 1;
+#X restore 42 330 pd fft-analysis;
+#X floatatom 57 196 0 0 500 0 - squelch-set -;
+#X obj 57 220 s squelch;
+#N canvas 190 43 427 657 test-signal 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 317 295 * 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 259 272 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 67 131 hip~ 5;
+#X obj 67 107 adc~ 1;
+#X obj 129 131 s insamprate;
+#X obj 67 70 inlet;
+#X obj 129 107 samplerate~;
+#X obj 116 246 r \$0-samplength;
+#X obj 259 246 r \$0-insamprate;
+#X obj 67 154 tabwrite~ \$0-sample;
+#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 restore 43 303 pd test-signal;
+#X obj 43 359 output~;
+#N canvas 388 86 722 350 insample 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 23 r read-sample;
+#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 msg 276 273 \; read-sample ../sound/bell.aiff;
+#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 connect 1 0 11 0;
+#X connect 2 0 6 0;
+#X connect 2 1 14 0;
+#X connect 3 0 13 0;
+#X connect 3 0 15 0;
+#X connect 5 0 12 0;
+#X connect 6 0 8 0;
+#X connect 6 1 7 0;
+#X connect 7 0 8 1;
+#X connect 8 0 9 0;
+#X connect 9 0 3 0;
+#X connect 10 0 14 0;
+#X connect 11 0 2 0;
+#X connect 11 1 10 0;
+#X connect 15 0 16 0;
+#X connect 16 0 17 0;
+#X connect 18 0 15 1;
+#X restore 223 313 pd insample;
+#X text 362 406 updated for Pd version 0.39;
+#X text 56 43 Here we divide each complex channel in the Fourier analysis
+by its own magnitude to "flatten" the spectrum. The "squelch" control
+limits the amplitude boost the algorithm will apply. If infinite \,
+you'll get a white spectrum. If less \, the louder parts of the spectrum
+will be flattened but the quieter ones will only be boosted by the
+squelch value.;
+#X text 73 6 DYNAMIC RANGE COMPRESSION BY FOURIER ANALYSIS CHANNEL
+;
+#X floatatom 223 366 5 0 0 0 - #0-samp-msec -;
+#X obj 43 282 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 62 281 <- record;
+#X text 276 365 sample length \, msec;
+#X msg 292 183 ../sound/bell.aiff;
+#X msg 292 208 ../sound/voice.wav;
+#X msg 292 233 ../sound/voice2.wav;
+#X text 91 197 <- squelch;
+#X text 295 161 change input sound;
+#X obj 292 259 s read-sample;
+#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 223 335 pd hann-window;
+#X connect 0 0 4 0;
+#X connect 0 0 4 1;
+#X connect 1 0 2 0;
+#X connect 3 0 0 0;
+#X connect 10 0 3 0;
+#X connect 13 0 18 0;
+#X connect 14 0 18 0;
+#X connect 15 0 18 0;