//-------------------------------------------------------------------- // name: LiSa-track2.ck // desc: Live sampling utilities for ChucK // demonstrate using track == 1 mode with LiSa // // author: Dan Trueman, 2007 // // when track == 1, the input is used to control playback position // input [0,1] will control playback position within loop marks input // values less than zero are multiplied by -1, so it is possible to // use audio signals [-1, 1] to control playback position, as in // waveshaping //-------------------------------------------------------------------- // signal chain; record a sine wave, play it back SinOsc s => LiSa loopme => dac; // frequency 440 => s.freq; // gain 0.25 => s.gain; // alloc memory 6::second => loopme.duration; 1000::ms => loopme.loopEndRec; 1000::ms => loopme.loopEnd; // set recording ramp time loopme.recRamp(50::ms); // start recording input loopme.record(1); // wait for a second 1000::ms => now; // stop recording input loopme.record(0); // set track mode to 1, where the input chooses playback position 1 => loopme.track; // set frequency 0.5 => s.freq; // need to reset gain if we want to get the full loop length 1 => s.gain; // set lisa gain loopme.gain( 0.75 ); // play loopme.play( 1 ); // advance time for 5 seconds 5000::ms => now; // ramp down loopme.rampDown( 250::ms ); // wait 500::ms => now; // bye bye