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Diffstat (limited to 'reference/limiter~-help.pd')
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1 files changed, 296 insertions, 0 deletions
diff --git a/reference/limiter~-help.pd b/reference/limiter~-help.pd new file mode 100644 index 0000000..99f8df2 --- /dev/null +++ b/reference/limiter~-help.pd @@ -0,0 +1,296 @@ +#N canvas 354 454 851 449 10; +#X text 189 15 limiter; +#X text 187 25 ========; +#N canvas 0 0 591 391 creation 0; +#X text 211 152 creates a default limiter (MONO \, 9-samples-buffer) +; +#X text 213 189 creates a limiter(MONO \, 10ms-buffer); +#X text 213 223 creates a limiter (multichannel \, 9-samples-buffer) +; +#X text 216 256 creates a limiter (multichannel \, 1ms-buffer !!); +#X text 82 17 "limiter [<bufsize>] [<in1> [<in2> [...]]]"; +#X text 148 70 creating inlets depends ONLY on the number of arguments +\, not on the arguments themselves... !; +#X text 218 313 creates a limiter (multichannel \, 9-samples-buffer) +; +#X text 113 187 ______________; +#X text 89 150 _________________; +#X text 145 220 _________; +#X text 114 254 ______________; +#X text 199 311 __; +#X obj 23 151 limiter~; +#X obj 23 185 limiter~ 10; +#X obj 22 219 limiter~ 0 1 2 3; +#X obj 22 253 limiter~ 1 2; +#X obj 18 310 limiter~ We need 4 inlets; +#X restore 39 322 page creation; +#N canvas 62 0 762 828 modes 0; +#X text -189 189 MODE 0 : 1-treshold-limiter; +#X text -191 384 MODE 1 : 2-tresholds-limiter; +#X msg 232 255 print; +#X obj 186 316 limiter~; +#X obj 209 141 limiter~; +#X msg 273 123 help; +#X msg 272 104 print; +#X msg 209 32 mode 0; +#X msg 272 31 LIMIT; +#X msg 209 50 mode 1; +#X msg 272 49 CRACK; +#X msg 209 67 mode 2; +#X msg 272 66 COMPRESS; +#X text 342 48 crack limiter (2 tresholds); +#X text 342 66 compressor (1 treshold); +#X text 351 102 context status; +#X text 252 30 ==; +#X text 251 49 ==; +#X text 250 68 ==; +#X msg 247 302 LIMIT; +#X obj 247 286 loadbang; +#X text 341 30 normal limiter (1 treshold) [default]; +#X msg 231 459 print; +#X obj 183 522 limiter~; +#X obj 244 492 loadbang; +#X msg 244 508 CRACK; +#X msg 217 716 print; +#X obj 230 760 loadbang; +#X text -185 590 MODE 2 : compressor; +#X msg 230 776 COMPRESS; +#X msg 222 629 ratio 0.5; +#X text 329 628 set compress-ratio (0.5 == 1:2); +#X text 329 605 set the treshold \, where the compressor should start +to compress; +#X text 352 677 set the compressor (limit/treshold/ratio); +#X text 331 655 set limit/holdtime/releasetime at once; +#X text 333 717 view actual settings; +#X text 337 459 view actual settings; +#X msg 234 188 limit 90; +#X msg 234 211 set 105 40 150; +#X msg 232 404 set 105 40 150; +#X msg 235 426 set2 120 1 10; +#X msg 221 654 set 110 40 150; +#X msg 221 611 treshold 10; +#X msg 220 677 compress 96 88 0.5; +#X text 328 591 set the output-limit; +#X msg 221 593 limit 98; +#X text 338 254 view actual settings; +#X text 339 212 set limit/holdtime/releasetime at once; +#X text 339 185 set output limit; +#X obj 169 790 limiter~; +#X text 335 404 set limiter1 (output-limit/hold-time/release-time) +; +#X text -260 621 the output signal will never become louder than the +specified output-limit.; +#X text -260 653 if the input-signal becomes loader than the input-treshold +\, a compressor will start working \, compressing the dynamic range +by the specified ratio. Signals lesser than the treshold will pass +through uncompressed.; +#X text -231 59 set the limiter~ to one of the 3 modes; +#X text 334 380 set both limits; +#X text -259 210 this is simple : the output will not become bigger +than the specified limit. When the input becomes small enough again +so that this condition is matched even without (positive) amplification +(this is \, when the input signal level falls below the limit) \, the +amplification will increase gradually (depending on hold- & release-time) +towards 1; +#X text 334 427 set limiter2 (input-treshold/hold-time/release-time) +; +#X msg 232 381 limits 100 108; +#X text -260 414 this limiter can be used to handle disgusting things +like cracks \, which are much louder than the "normal" musical signal. +Typically hold- and release-times for the second limiter are far smaller +than those for the first \, to ensure that the disturbance will pass +quite fast (since the crack would disturb the sensation anyhow \, we +do not care much about the distortion caused by a fast limiter). The +treshold for the 2nd limiter must be greater than the ouput-limit (if +not \, the limiter will be reset to MODE 0); +#X text -257 298 all levels (limts/tresholds) should be given in dB +to produce satisfying results (following pd's agreement on the deziBel-scale +\, 100dB are equal to 1 \, 0dB equals 0 \, ...); +#X text 354 123 context(!) help; +#X connect 2 0 3 0; +#X connect 5 0 4 0; +#X connect 6 0 4 0; +#X connect 7 0 4 0; +#X connect 8 0 4 0; +#X connect 9 0 4 0; +#X connect 10 0 4 0; +#X connect 11 0 4 0; +#X connect 12 0 4 0; +#X connect 19 0 3 0; +#X connect 20 0 19 0; +#X connect 22 0 23 0; +#X connect 24 0 25 0; +#X connect 25 0 23 0; +#X connect 26 0 49 0; +#X connect 27 0 29 0; +#X connect 29 0 49 0; +#X connect 30 0 49 0; +#X connect 37 0 3 0; +#X connect 38 0 3 0; +#X connect 39 0 23 0; +#X connect 40 0 23 0; +#X connect 41 0 49 0; +#X connect 42 0 49 0; +#X connect 43 0 49 0; +#X connect 45 0 49 0; +#X connect 57 0 23 0; +#X restore 184 321 page modes; +#X msg 398 249 print; +#X obj 445 319 *~; +#X obj 476 319 *~; +#X floatatom 476 199 0 0 0 2 left - -; +#X floatatom 562 200 0 0 0 2 right - -; +#X floatatom 520 181 0 0 0 2 both - -; +#X obj 476 266 limiter~ 50 1; +#N canvas 0 153 455 493 tabwrite 0; +#N canvas 0 0 450 300 graph1 0; +#X array array1 32768 float 0; +#X coords 0 1 32767 -1 200 140 1; +#X restore 130 196 graph; +#X obj 111 63 inlet~; +#X msg 214 78 \; array1 resize 32768; +#X obj 111 85 tabwrite~ array1; +#X obj 151 64 bang~; +#X obj 214 59 loadbang; +#X obj 337 88 block~ 32768 8; +#X connect 1 0 3 0; +#X connect 4 0 3 0; +#X connect 5 0 2 0; +#X restore 372 408 pd tabwrite; +#X obj 382 341 env~; +#X floatatom 382 359 4 0 0 0 - - -; +#X text 30 304 to learn more about this object \, try these; +#X text 48 371 http://iem.kug.ac.at/~zmoelnig; +#N canvas 59 76 600 400 generator~ 0; +#X obj 86 49 inlet; +#X obj 252 54 inlet; +#X obj 112 229 outlet~; +#X obj 112 185 *~; +#X obj 151 185 *~; +#X obj 122 128 osc~ 440; +#X obj 151 145 osc~ 689.062; +#X obj 112 163 line~; +#X obj 167 162 line~; +#X msg 167 128 \$1 100; +#X msg 112 111 \$1 100; +#X obj 86 97 f; +#X obj 252 98 f; +#X obj 154 229 outlet~; +#X obj 86 72 dbtorms; +#X obj 252 78 dbtorms; +#X connect 0 0 14 0; +#X connect 1 0 15 0; +#X connect 3 0 2 0; +#X connect 4 0 13 0; +#X connect 5 0 3 1; +#X connect 6 0 4 0; +#X connect 7 0 3 0; +#X connect 8 0 4 1; +#X connect 9 0 8 0; +#X connect 10 0 7 0; +#X connect 11 0 10 0; +#X connect 12 0 9 0; +#X connect 14 0 11 0; +#X connect 15 0 12 0; +#X restore 476 221 pd generator~; +#X text 37 99 it is quite important to delay the original signals before +the limiter-amplification is applied to prevent clicks !!!; +#X text 52 353 1906:forum::für::umläute:2001; +#X text 36 41 limiter will output the amplification-factor that has +to be applied on all INlet~s to get a beautiful limited multichannel-signal +that preserves the balance between the channels; +#X text 585 170 level of the inlets; +#X text 511 148 (give some 190dB and notice no clipping); +#X obj 493 298 z~ 64; +#X obj 445 299 z~ 64; +#X text 539 17 part of zexy; +#X floatatom 496 354 0 0 100 0 - - -; +#N canvas 159 26 532 285 output 0; +#X obj 348 160 t b; +#X obj 348 110 f; +#X obj 348 60 inlet; +#X text 354 29 mute; +#X obj 348 185 f; +#X msg 436 180 0; +#X msg 348 85 bang; +#X obj 348 135 moses 1; +#X obj 407 110 moses 1; +#X obj 133 148 dbtorms; +#X obj 20 155 inlet~; +#X obj 239 41 inlet; +#X text 239 18 level; +#X msg 146 65 set \$1; +#X obj 146 90 outlet; +#X msg 254 65 \; pd dsp 1; +#X obj 133 198 line~; +#X obj 20 207 *~; +#X obj 20 232 dac~; +#X obj 133 173 pack 0 50; +#X text 20 132 audio; +#X text 146 114 show level; +#X obj 436 155 t b; +#X obj 20 181 hip~ 1; +#X obj 133 42 r \$0master-lvl; +#X obj 80 155 inlet~; +#X obj 80 207 *~; +#X obj 80 181 hip~ 1; +#X obj 239 105 s \$0master-lvl; +#X obj 407 85 r \$0master-lvl; +#X obj 348 210 s \$0master-lvl; +#X connect 0 0 4 0; +#X connect 1 0 7 0; +#X connect 2 0 6 0; +#X connect 4 0 30 0; +#X connect 5 0 30 0; +#X connect 6 0 1 0; +#X connect 7 0 0 0; +#X connect 7 1 22 0; +#X connect 8 1 4 1; +#X connect 9 0 19 0; +#X connect 10 0 23 0; +#X connect 11 0 15 0; +#X connect 11 0 28 0; +#X connect 13 0 14 0; +#X connect 16 0 17 1; +#X connect 16 0 26 1; +#X connect 17 0 18 0; +#X connect 19 0 16 0; +#X connect 22 0 5 0; +#X connect 23 0 17 0; +#X connect 24 0 9 0; +#X connect 24 0 13 0; +#X connect 25 0 27 0; +#X connect 26 0 18 1; +#X connect 27 0 26 0; +#X connect 29 0 1 1; +#X connect 29 0 8 0; +#X restore 458 382 pd output; +#X msg 534 355 MUTE; +#X text 37 132 this is \, because the limiter algorithm needs some +time (e.g. the outcoming signal is delayed by some samples) \; directly +multiplying would therefore be a bit too late \, in case a spike appears. +Adding a small delay takes care of this psychoacoustically (you won't +here the click); +#X text 532 300 just a small delay of 64 samples; +#X text 531 44 updated for zexy-2.0; +#X connect 4 0 10 0; +#X connect 5 0 26 0; +#X connect 5 0 12 0; +#X connect 6 0 11 0; +#X connect 6 0 26 1; +#X connect 7 0 16 0; +#X connect 8 0 16 1; +#X connect 9 0 7 0; +#X connect 9 0 8 0; +#X connect 10 0 6 0; +#X connect 10 0 5 1; +#X connect 12 0 13 0; +#X connect 16 0 10 0; +#X connect 16 0 23 0; +#X connect 16 1 10 1; +#X connect 16 1 22 0; +#X connect 22 0 6 1; +#X connect 23 0 5 0; +#X connect 25 0 26 2; +#X connect 26 0 25 0; +#X connect 27 0 26 3; |