//-------------------------------------------------------------------- // name: LiSa-track3.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; // alloc LiSa memory 6::second => loopme.duration; 1000::ms => loopme.loopEndRec; 1000::ms => loopme.loopEnd; // set recording ramp time loopme.recRamp( 50::ms ); // retain some while loop recording loopme.feedback( 0.99 ); // start recording input loopme.record( 1 ); // 1 sec later, this time DON'T stop recording.... 1000::ms => now; // set track mode to 1, where the input chooses playback position 1 => loopme.track; // this time don't change the freq; scan through zippy quick loopme.play( 1 ); loopme.gain( 0.02 ); // advance time for 5 seconds 5000::ms => now; // ramp down loopme.rampDown( 250::ms ); // wait 500::ms => now; // pretty farking scary // bye bye