58 lines
1.5 KiB
Plaintext
58 lines
1.5 KiB
Plaintext
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//-----------------------------------------------------------------------------
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// name: LiSaBasic and LiSaMulti
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// desc: Live sampling utilities for ChucK
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//
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// author: Dan Trueman, 2007
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//
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// to run (in command line chuck):
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// %> chuck LiSa_readme.c
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//-----------------------------------------------------------------------------
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//demonstrate using track=1 mode with LiSa
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//
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//when track == 1, the input is used to control playback position
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//input [0,1] will control playback position within loop marks
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//values less than zero are multiplied by -1, so it is possible to use
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//audio signals [-1, 1] to control playback position, as in waveshaping
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//signal chain; record a sine wave, play it back
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SinOsc s => LiSa loopme => dac;
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//s => dac;
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440. => s.freq;
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0.2 => s.gain;
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//alloc memory
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6::second => loopme.duration;
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1000::ms => loopme.loopEndRec;
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1000::ms => loopme.loopEnd;
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//set recording ramp time
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loopme.recRamp(250::ms);
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//start recording input
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loopme.record(1);
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//1 sec later, stop recording
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1000::ms => now;
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loopme.record(0);
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//set track mode to 1, where the input chooses playback position
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//note that you can still record this input
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1 => loopme.track;
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s =< loopme; //disconnect sinosc as input
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Step i => Envelope e => loopme; //use envelope to control playback position
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1. => i.next;
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//play it forward twice speed
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500::ms => e.duration;
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e.keyOn();
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loopme.play(1);
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500::ms => now;
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//now backwards half speed
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2000::ms => e.duration;
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e.keyOff();
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2000::ms => now;
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loopme.play(0);
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//bye bye
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