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authorThomas Grill <xovo@users.sourceforge.net>2003-09-23 00:21:28 +0000
committerThomas Grill <xovo@users.sourceforge.net>2003-09-23 00:21:28 +0000
commit64fdb009695828b788fce074135b20a5e52c5fc4 (patch)
treea05144197dd339721b6d4a3a0927f7596e8872b6 /pd/doc/3.audio.examples/02.amplitude.pd
parenta30193fcd726552364de74984b200be2c30723e7 (diff)
imported version 0.37-0
svn path=/trunk/; revision=1016
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-#N canvas 73 190 702 512 12;
-#X obj 64 65 osc~ 440;
-#X obj 64 283 dac~;
-#X text 145 66 <-- 440 Hz. sine wave at full blast;
-#X msg 431 7 \; pd dsp 1;
-#X msg 514 7 \; pd dsp 0;
-#X text 456 45 ON;
-#X text 534 43 OFF;
-#X text 164 18 CONTROLLING AMPLITUDE;
-#X text 35 327 Amplitudes of audio signals can have any reasonable
-range \, but when you output a signal via the dac~ object \, the samples
-should range between -1 and +1. Values out of that range will be "clipped."
-;
-#X obj 64 202 *~ 0;
-#X floatatom 107 165 0 0 0 0 - - -;
-#X obj 95 132 dbtorms;
-#X floatatom 95 100 0 0 80 0 - - -;
-#X text 141 100 <-- set amplitude here in dB;
-#X text 211 133 <-- this converts dB to linear units;
-#X text 210 164 <-- this shows the linear gain;
-#X text 116 204 <-- multiply the sine wave by the gain \, reducing
-its amplitude. You can also use the "*~" object to multiply two signals.
-The "0" argument here instructs it that we'll just send it messages
-to set the multiplier.;
-#X text 35 396 Here we calculate a gain for the multiplier (*~) using
-a "dbtorms" object (acronym for "dB to RMS"). 100 dB is normalized
-to one \, and zero dB artificially outputs a true 0;
-#X text 34 452 Pd assumes you have a two channel audio system unless
-you tell it otherwise.;
-#X text 440 486 updated for Pd version 0.33;
-#X text 114 282 <-- and out. We're sending to both channels now.;
-#X connect 0 0 9 0;
-#X connect 9 0 1 0;
-#X connect 9 0 1 1;
-#X connect 11 0 9 1;
-#X connect 11 0 10 0;
-#X connect 12 0 11 0;