// @title hw3-exampleScore.ck // @author Chris Chafe (cc@ccrma), Hongchan Choi (hongchan@ccrma), // Carson Hicks // @desc An example score file for homework 3, modified with an extra loop. // @version chuck-1.3.1.3 / ma-0.2.2c // @revision 1 // pick a physical model synth, send to left chan (0) Clarinet physmod => dac.left; // bring in a mono .wav file from which to play sample // pass through Envelope to avoid clicks from SndBuf // to right chan (1) SndBuf sampler => Envelope samplerEnv => dac.right; me.sourceDir() + "/sample.wav" => string _file; _file => sampler.read; cherr <= "[score] SndBuf: " <= _file <= IO.newline(); 100::ms => samplerEnv.duration; // write signals to files dac.left => WvOut physmodOut => blackhole; dac.right => WvOut samplerOut => blackhole; me.sourceDir() + "/phys.wav" => string _captureP; me.sourceDir() + "/samp.wav" => string _captureS; _captureP => physmodOut.wavFilename; _captureS => samplerOut.wavFilename; // ------------------------------------------------------------ // three algorithms which generate numbers in range -1.0 to 1.0 // see 1) logisticMapNotes.ck 2) logisticMapNotesOSC.ck for // more info fun float logistic(float x, float r) { return r * x * (1.0 - x); } // see 1) psuedoRandomNotes.ck 2) psuedoRandomNotesOSC.ck for // more info fun float random(float r) { if (r > 1.0) { 1.0 => r; } // get a random value return Math.random2f(-r, r); } // see 1) sinNotes.ck 2) sinNotesOSC.ck fun float sinusoid(float r) { // rate in radians at 1 sec period 2 * pi => float sinScale; // convert to desired rate in radians if (r > 0.0) r /=> sinScale; // current time in seconds now / second => float nowInSeconds; // convert to phase angle using rate in radians nowInSeconds * sinScale => float currentPhase; // or could be another trig function return Math.sin(currentPhase); } // ------------------------------------------------------------ // tick the chosen algorithm to get a new value fun float algorithm(float state, string type, float r) { if (type == "logistic") { // choose me to iterate the map and hear logistic map "tune" return logistic(state, r); } else if (type == "random") { // choose me for random "tune" return random(r); } else if (type == "sinusoid") { // choose me for sin function "tune" return sinusoid(r); } else { cherr <= "[score] Unknown algorithm type.\n"; } } // sporkable function that plays physical model notes forever fun void pLoop(string type, float r) { .8 => float state; while (true) { // note off in case it's already on physmod.stopBlowing(.1); // a short rest 200::ms => now; algorithm(state, type, r) => state; // use state as a frequency 440.0 + (state * 110.0) => float f; // to clarinet physmod.freq(f); // note on physmod.startBlowing(0.3); 100::ms => now; } } //A modification of the pLoop with different time intervals. fun void rLoop(string type, float r) { .8 => float state; while (true) { // note off in case it's already on physmod.stopBlowing(.1); // a short rest 89::ms => now; algorithm(state, type, r) => state; // use state as a frequency 440.0 + (state * 300.0) => float f; // to clarinet physmod.freq(f); // note on physmod.startBlowing(0.3); 10::ms => now; } } // sporkable function that plays sampler notes forever fun void sLoop(string type, float r) { 0.1 => float state; while (true) { // turn off envelope in case it's already on samplerEnv.target(0.0); // a short rest 50::ms => now; algorithm(state, type, r) => state; sampler.length() => dur totalFile; // time in file to start playing sample from ((state + 1.0) * 0.5) * totalFile => dur start; // sample duration 100::ms => dur duration; // end time of sample start + duration => dur end; if (end > totalFile) { end - duration => start; } // start position in file in actual samples sampler.pos((start / samp) $ int); // ramp up the envelope samplerEnv.target(1.0); duration => now; } } fun void qLoop(string type, float r) { 0.1 => float state; while (true) { // turn off envelope in case it's already on samplerEnv.target(0.0); // a short rest 50::ms => now; algorithm(state, type, r) => state; sampler.length() => dur totalFile; // time in file to start playing sample from ((state + 1.0) * 0.5) * totalFile => dur start; // sample duration 1000::ms => dur duration; // end time of sample start + duration => dur end; if (end > totalFile) { end - duration => start; } // start position in file in actual samples sampler.pos((start / samp) $ int); // ramp up the envelope samplerEnv.target(1.0); duration => now; } } // ------------------------------------------------------------ // prepare the show Shred pShred; Shred sShred; // needed to stop both shreds gracefully fun void killShreds() { pShred.exit(); sShred.exit(); me.yield(); // note off physmod.stopBlowing(5.0); // turn off envelope samplerEnv.target(0.0); 10::ms => now; } // ------------------------------------------------------------ // start the show spork ~pLoop("logistic", 3.9) @=> pShred; // clarinet played by logistic map frequencies 5::second => now; killShreds(); 1::second => now; spork ~rLoop("logistic", 3.9) @=> pShred; 8::second => now; killShreds(); 2::second => now; spork ~sLoop("logistic", 3.9) @=> sShred; 15::second => now; killShreds(); spork ~pLoop("random", 0.6) @=> pShred; 10::second => now; spork ~sLoop("logistic", 3.9) @=> sShred; 10::second => now; killShreds(); spork ~rLoop("logistic", 3.9) @=> pShred; 6::second => now; spork ~sLoop("logistic", 3.9) @=> sShred; 11::second => now; killShreds(); spork ~qLoop("random", .5) @=> sShred; 15::second => now; killShreds(); // ------------------------------------------------------------ // finish the show physmodOut.closeFile(); samplerOut.closeFile(); // print message in terminal for sox command cherr <= "[score] Finished. Merge two products with the command below.\n"; cherr <= "sox -M " <= _captureP <= " " <= _captureS <= " "; cherr <= me.sourceDir() + "/Milestone.wav";