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@ -0,0 +1,57 @@
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h1. "Beatbox beta":http://github.com/rfwatson/live-beatbox
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!http://rfwatson.github.com/images/beatbox.png!
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Experimental drum machine which uses vocalization to select synthetic drum hits which best match beat-boxed sound.
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Currently uses a combination of MFCC, SpectralCentroid and ZeroCrossing measurements to analyze and match the timbre of the sounds.
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In super-alpha-beta state! It may or may not work on your setup.
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h2. Requirements
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* "SuperCollider":http://supercollider.sourceforge.net
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* Some sort of external microphone and audio interface. I use an Edirol FA101 when building this. I haven't got it working well with the Mac's internal sound
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* OSX - unless you want to make the GUI stuff cross-platform.
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h2. Keyboard shortcuts
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* @F1@
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Record mode
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* @F2@
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Preview recorded sound
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* @F3@
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Jamming mode
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* @Space@
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Start/stop sequencer
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* @Return@
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Add hit to seq (while playing)
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* @Backsp.@
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Remove hit (while playing)
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* @Up/Down@
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Select channel
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* @Left/Rt@
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Crossfader control
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h2. TODO
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* Add analysis of amplitude envelope, only uses timbral analysis at the moment which while quite good it needs amp.env. comparison to be really intuitive
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* Add ability to scan and add samples via GUI, from any location
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* Improve doc
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* Lots more...
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h2. Contact me
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Via "Github":http://github.com/rfwatson
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h2. Licence
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bq. *Released under the GNU General Public License.*
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This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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Binary file not shown.
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@ -0,0 +1,11 @@
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AverageOutput : UGen {
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*ar {
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arg in, trig=0.0, mul=1.0, add=0.0;
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^this.multiNew('audio', in, trig).madd(mul, add);
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}
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*kr {
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arg in, trig=0.0, mul=1.0, add=0.0;
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^this.multiNew('control', in, trig).madd(mul, add);
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}
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}
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@ -0,0 +1,101 @@
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Beat {
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classvar <maxFrames;
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var <signal, <nframes, <server, sigbuf, <sample, sampbuf, <path, <features, fftbuf, bus, <nearest, <nearestPath;
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*initClass {
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maxFrames = 44100; // 1 second of audio, which is more than enough.
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}
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*newFromSignal { |signal, server, donefunc|
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^super.new.initFromSignal(signal, server, donefunc);
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}
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*newFromPath { |path, server, donefunc|
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^super.new.initFromPath(path, server, donefunc);
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}
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initFromSignal { |aSignal, aServer, donefunc|
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signal = aSignal;
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nframes = signal.size;
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server = aServer;
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// we always pass in a mono signal so no need to check here
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sigbuf = Buffer.alloc(server, nframes, 1);
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sigbuf.loadCollection(signal, action: {
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donefunc.(this)
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});
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}
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initFromPath { |aPath, aServer, donefunc|
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var sndfile, rawsignal;
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path = aPath;
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server = aServer;
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sndfile = SoundFile.openRead(path);
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if(sndfile.numFrames > maxFrames) {
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Error("Sound file too large.").throw;
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} {
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rawsignal = Signal.newClear(sndfile.numFrames * sndfile.numChannels);
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sndfile.readData(rawsignal);
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if(sndfile.numChannels == 1) {
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signal = rawsignal;
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} {
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signal = rawsignal.clump(sndfile.numChannels).flop[0]; // channel 0
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};
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sigbuf = Buffer.loadCollection(server, signal, 1, action: {
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donefunc.(this)
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});
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};
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}
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play { |xfade=0.0, mul=1.0|
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var synth;
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// why isnt doneAction working for me?
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synth = Synth(\beatboxplayer, [\bufnum1, sigbuf, \bufnum2, sampbuf, \crossfade, xfade, \mul, mul]);
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SystemClock.sched(3.0, { synth.free });
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}
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analyse { |donefunc|
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var duration, synth;
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duration = sigbuf.numFrames / server.sampleRate;
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bus = Bus.control(server, 22); // 20 MFCCs, 1 Spectral Centroid, 1 ZCR
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fftbuf = Buffer.alloc(server, 1024, 1);
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server.makeBundle(1.0) {
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synth = Synth(\beatboxanalyzer, [\bufnum, sigbuf, \fftbuf, fftbuf, \cbus1, bus.index, \cbus2, bus.index + 20, \cbus3, bus.index + 21]);
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};
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server.makeBundle(1.0 + duration, {
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bus.getn(22) { |theFeatures|
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features = theFeatures;
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donefunc.(this);
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};
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});
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// 2 seconds later, free the synth, fft-buffer and the control bus.
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SystemClock.sched(3.0 + duration) {
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synth.free;
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fftbuf.free;
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bus.free;
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};
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}
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nearest_{ |path|
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var sndfile, rawsignal, len;
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nearestPath = path;
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sndfile = SoundFile.openRead(path);
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rawsignal = Signal.newClear(sndfile.numFrames * sndfile.numChannels);
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sndfile.readData(rawsignal);
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sample = rawsignal.clump(2).flop[0];
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sampbuf = Buffer.readChannel(server, path, channels: [0], action: { |buf|
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sampbuf = buf;
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});
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}
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}
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@ -0,0 +1,379 @@
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BeatBox {
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var <>basepath;
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var w, <layout, <scope, <server, beats, nchannels, seq, data, recbutton;
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var onsetListener, statusText, thresholdText, lagText, scope, <lowerStatus;
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var fftbuf, recbuf, synth, isListening, isRecording, isJamming, recStart;
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var jambutton;
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*new { |basepath|
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^super.new.init(basepath);
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}
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init { |aBasePath|
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basepath = (aBasePath ? "/l/cm2/coursework/task3") ++ "/";
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w = SCWindow("Beatbox Beta 1", Rect(200, 700, 520, 558), resizable: false);
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// keyboard shorts
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w.view.keyDownAction_{ |...args|
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var shift = args[2];
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var code = args.last;
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code.switch(
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36, { // enter
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seq.setCurrentHit;
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},
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13, { // backspace
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seq.clearCurrentHit;
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},
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49, {
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// move to seq
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seq.mainbutton.value_((seq.mainbutton.value + 1) % 2).doAction;
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},
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122, {
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if(recbutton.enabled) {
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recbutton.value_((recbutton.value + 1) % 2).doAction;
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}
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},
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120, {
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this.preview;
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},
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99, {
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if(jambutton.enabled) {
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jambutton.value_((jambutton.value + 1) % 2).doAction;
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}
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},
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123, {
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// move to seq
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if(seq.xfadeval > 0.0) {
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seq.xfadeslid.value_(seq.xfadeval - 0.1).doAction;
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}
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},
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124, {
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// move to seq
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if(seq.xfadeval < 1.0) {
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seq.xfadeslid.value_(seq.xfadeval + 0.1).doAction;
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}
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},
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126, { // move to seq
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seq.currentChannel = (seq.currentChannel - 1) % seq.numChannels;
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seq.selects[seq.currentChannel].value_(1).doAction;
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},
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125, { // move to seq
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seq.currentChannel = (seq.currentChannel + 1) % seq.numChannels;
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seq.selects[seq.currentChannel].value_(1).doAction;
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}
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)
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};
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layout = FlowLayout(w.view.bounds);
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w.view.decorator = layout;
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nchannels = 8;
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server = Server.local;
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server.doWhenBooted {
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recbuf = Buffer.alloc(server, server.sampleRate);
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fftbuf = Buffer.alloc(server, 512);
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};
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isListening = false;
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isRecording = false;
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isJamming = false;
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beats = Array.newClear(nchannels);
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File.use(basepath ++ "data.sc", "r") { |file|
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data = file.readAllString.interpret;
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};
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this.initDisplay;
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}
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initDisplay {
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recbutton = SCButton(w, Rect(5, 5, 100, 25))
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.states_([
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[ "Record (F1)", Color.black, Color.green ],
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[ "Stop (F1)", Color.white, Color.red ],
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])
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.action_{ |button| this.switch(button) }
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.keyDownAction_{ nil };
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SCButton(w, Rect(5, 5, 100, 25))
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.states_([
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[ "Preview (F2)", Color.black, Color.green ],
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])
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.action_{ |button| this.preview(button) }
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.keyDownAction_{ nil };
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jambutton = SCButton(w, Rect(5, 5, 100, 25))
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.states_([
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[ "Jam (F3)", Color.black, Color.green ],
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[ "Stop (F1)", Color.white, Color.red ],
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])
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.action_{ |button| this.jam(button.value) }
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.keyDownAction_{ nil };
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layout.nextLine;
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layout.nextLine;
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SCStaticText(w, Rect(5, 5, 200, 25))
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.string_("Threshold")
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.font_(Font("Helvetica-Bold", 12));
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SCStaticText(w, Rect(200, 5, 30, 25))
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.string_("Lag")
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.font_(Font("Helvetica-Bold", 12));
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layout.nextLine;
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SCSlider(w, Rect(5, 5, 100, 25))
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.step_(0.1)
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.value_(0.3)
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.action_{ |slider|
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var value = slider.value.clip(0.1, 1.0);
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synth.set(\threshold, value);
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thresholdText.string_(value.asString);
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}
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.keyDownAction_{ nil };
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thresholdText = SCStaticText(w, Rect(5, 5, 95, 25))
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.string_("0.3");
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SCSlider(w, Rect(200, 5, 100, 25))
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.step_(0.05)
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.value_(0.1)
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.action_{ |slider|
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var value = slider.value.clip(0.1, 1.0);
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synth.set(\lag, value);
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lagText.string_(value.asString);
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}
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.keyDownAction_{ nil };
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lagText = SCStaticText(w, Rect(5, 5, 20, 25))
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.string_("0.1");
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layout.nextLine;
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statusText = SCStaticText(w, Rect(5, 5, 510, 25))
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.background_(Color.grey);
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layout.nextLine;
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scope = SCUserView(w, Rect(5, 5, 510, 150))
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.relativeOrigin_(true)
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.background_(Color.black)
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.drawFunc_({ this.drawWaveform });
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layout.nextLine;
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lowerStatus = SCStaticText(w, Rect(5, 5, 510, 25))
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.background_(Color.grey);
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layout.nextLine;
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seq = Sequencer(w, Rect(5, 5, 510, 300), server, beats, this);
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w.onClose = { scope.free };
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w.front;
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}
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switch { |button|
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if(button.value == 1) {
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jambutton.enabled = false;
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this.listen;
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} {
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this.silenceDetected;
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this.ignore;
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jambutton.enabled = true;
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}
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}
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jam { |value| // 0 is on, 1 is off: relates to SCButton value
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if(value == 1) {
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recbutton.enabled = false;
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isJamming = true;
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if(seq.playing.not) {
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seq.play
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};
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this.listen(amp: 0.0);
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} {
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isJamming = false;
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recbutton.enabled = true;
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jambutton.value = 0;
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this.ignore;
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}
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}
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preview {
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seq.previewCurrentChannel;
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}
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onsetDetected {
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Post << "Onset!" << $\n;
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if(isJamming) {
|
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{
|
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seq.setCurrentHit;
|
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}.defer;
|
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} {
|
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if(isRecording.not) {
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isRecording = true;
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synth.set(\t_resetRecord, 1);
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recStart = SystemClock.seconds;
|
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{ statusText.background_(Color.red).stringColor_(Color.white).background_(Color.red).string_("RECORDING") }.defer;
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}
|
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}
|
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}
|
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|
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silenceDetected {
|
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var dursamps, sndfile, signal, beat;
|
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Post << "Silence!" << $\n;
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|
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if(isRecording) {
|
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synth.run(false);
|
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{
|
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statusText.background_(Color.green).stringColor_(Color.black).string_("Analysing...");
|
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}.defer;
|
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dursamps = ((SystemClock.seconds - recStart) * server.sampleRate).asInteger;
|
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recbuf.loadToFloatArray(0, dursamps) { |floatdata|
|
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// check received from server OK - sometimes fails
|
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if(floatdata.isEmpty.not) {
|
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signal = Signal.newFrom(floatdata);
|
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signal.normalize;
|
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|
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beats[seq.currentChannel] = Beat.newFromSignal(signal, server);
|
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beats[seq.currentChannel].analyse { |beat|
|
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this.findNearest(beat);
|
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{
|
||||
// allow new recording to begin only after completely finsihed
|
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scope.refresh;
|
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isRecording = false;
|
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statusText.background_(Color.grey).stringColor_(Color.black).string_("");
|
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this.updateLowerStatus;
|
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recbutton.value_(0).doAction;
|
||||
}.defer;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
listen { |amp=1.0|
|
||||
var msg, action;
|
||||
|
||||
if(isListening.not) { // start listening to input
|
||||
synth = Synth(\beatboxlistener, [\out, 0, \in, 0, \fftbuf, fftbuf, \recbuf, recbuf, \amp, amp]);
|
||||
|
||||
onsetListener = OSCresponderNode(nil, '/tr') { |time, responder, msg|
|
||||
action = msg[3];
|
||||
action.asInteger.switch(
|
||||
1, { this.onsetDetected },
|
||||
2, { this.silenceDetected }
|
||||
);
|
||||
}.add;
|
||||
|
||||
statusText.background_(Color.grey).stringColor_(Color.black).string_("Waiting for input...");
|
||||
isListening = true;
|
||||
}
|
||||
}
|
||||
|
||||
ignore {
|
||||
if(isListening) {
|
||||
var wasRecording = isRecording;
|
||||
this.silenceDetected;
|
||||
synth.free;
|
||||
onsetListener.remove;
|
||||
|
||||
if(wasRecording) {
|
||||
statusText.background_(Color.green).stringColor_(Color.black).string_("Analysing...");
|
||||
} {
|
||||
statusText.background_(Color.grey).stringColor_(Color.black).string_("");
|
||||
};
|
||||
|
||||
isListening = false;
|
||||
}
|
||||
}
|
||||
|
||||
// TODO move to Beat.sc
|
||||
findNearest { |beat|
|
||||
var p, total;
|
||||
var nearest = 10e10;
|
||||
var neighbour;
|
||||
|
||||
data.getPairs.clump(2).do { |pair|
|
||||
var fname, features;
|
||||
# fname, features = pair;
|
||||
total = 0.0;
|
||||
features.size.do { |i|
|
||||
p = (beat.features[i] - features[i]).squared;
|
||||
total = total + p;
|
||||
};
|
||||
|
||||
if(total < nearest) {
|
||||
neighbour = fname;
|
||||
nearest = total;
|
||||
};
|
||||
};
|
||||
|
||||
if(neighbour.isNil) { // FIX sometimes a strange bug causes a lot of nan's to be produced
|
||||
"There was an error analysing this sound. Try another".postln;
|
||||
} {
|
||||
beat.nearest = neighbour;
|
||||
}
|
||||
}
|
||||
|
||||
refresh {
|
||||
scope.refresh
|
||||
}
|
||||
|
||||
updateLowerStatus {
|
||||
var beat = seq.beats[seq.currentChannel];
|
||||
beat !? {
|
||||
beat.nearestPath !? {
|
||||
lowerStatus.string_(beat.nearestPath.basename);
|
||||
^this;
|
||||
}
|
||||
};
|
||||
|
||||
lowerStatus.string_("");
|
||||
}
|
||||
|
||||
drawWaveform {
|
||||
// why is SCSoundFileView so frustrating?
|
||||
var sig, maximums, x2, y1, y2, p1, p2;
|
||||
var beat = beats[seq.currentChannel];
|
||||
|
||||
beat !? {
|
||||
p1 = 0 @ 75;
|
||||
|
||||
if(beat.sample.notNil) {
|
||||
sig = (beat.sample * (seq.xfadeval)) +.s (beat.signal * (1 - seq.xfadeval));
|
||||
} {
|
||||
sig = beat.signal;
|
||||
};
|
||||
|
||||
maximums = sig.clump(sig.size / 510).collect{ |window|
|
||||
var posmax, negmax;
|
||||
posmax = window.maxItem;
|
||||
negmax = window.minItem;
|
||||
|
||||
if(posmax.abs > negmax.abs)
|
||||
{ posmax } { negmax }
|
||||
};
|
||||
|
||||
Pen.use {
|
||||
Color(0.3, 1, 0.3).set;
|
||||
maximums.do { |max, x1|
|
||||
p2 = x1 @ (75 - (75 * max));
|
||||
Pen.moveTo(p1);
|
||||
Pen.lineTo(p2);
|
||||
Pen.stroke;
|
||||
|
||||
p1 = p2;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,237 @@
|
|||
Sequencer {
|
||||
var w, view, channels, buttons, <buttonvals, <selects, indicators, beatbox, routine, tempoBox, startedTime;
|
||||
var <xfadeslid, <xfadeval, <>currentChannel, <beats, server, <mainbutton, <playing;
|
||||
|
||||
*new { |w, bounds, server, beats, beatbox, nchannels=8|
|
||||
^super.new.init(w, bounds, server, beats, beatbox, nchannels);
|
||||
}
|
||||
|
||||
init { |aWindow, bounds, aServer, someBeats, aBeatBox, nchannels|
|
||||
w = aWindow;
|
||||
channels = 0.0 ! 16 ! nchannels;
|
||||
indicators = Array.newClear(16);
|
||||
playing = false;
|
||||
beats = someBeats;
|
||||
server = aServer;
|
||||
beatbox = aBeatBox;
|
||||
buttons = List[] ! nchannels; // the buttons
|
||||
buttonvals = List[] ! nchannels; // mirror image of their values: so I can reach them without {}.defer
|
||||
selects = List[];
|
||||
currentChannel = 0;
|
||||
xfadeval = 0.0;
|
||||
|
||||
this.initDisplay(bounds);
|
||||
this.initRoutine;
|
||||
}
|
||||
|
||||
initRoutine {
|
||||
routine = Routine {
|
||||
var n = 0, hit, mul;
|
||||
|
||||
inf.do {
|
||||
hit = n % 16;
|
||||
|
||||
indicators.do { |light, col|
|
||||
if(col == hit) {
|
||||
{ light.value = 1 }.defer(0.2)
|
||||
} {
|
||||
{ light.value = 0 }.defer(0.2)
|
||||
}
|
||||
};
|
||||
|
||||
server.bind {
|
||||
channels.size.do { |channel|
|
||||
if(buttonvals[channel][hit] > 0) {
|
||||
buttonvals[channel][hit].switch(
|
||||
1, { mul = 0.3 },
|
||||
2, { mul = 0.7 },
|
||||
3, { mul = 1.0 }
|
||||
);
|
||||
beats[channel].play(xfadeval, mul)
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
n = n + 1;
|
||||
(((60 / tempoBox.value)) / 4).wait
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
initDisplay { |bounds|
|
||||
var cbar, tbar;
|
||||
|
||||
view = SCVLayoutView(w, bounds);
|
||||
view.background_(Color.grey);
|
||||
|
||||
cbar = SCHLayoutView(view, Rect(5, 5, 510, 25));
|
||||
|
||||
mainbutton = SCButton(cbar, 100 @ 20)
|
||||
.states_([
|
||||
[ "Play", Color.black, Color.green ],
|
||||
[ "Stop", Color.white, Color.red ]
|
||||
])
|
||||
.action_{ |button|
|
||||
button.value.switch(
|
||||
0, { this.stop },
|
||||
1, { this.play }
|
||||
)
|
||||
}
|
||||
.keyDownAction_{ nil };
|
||||
|
||||
SCStaticText(cbar, 30 @ 20)
|
||||
.string_("");
|
||||
|
||||
SCStaticText(cbar, 30 @ 20)
|
||||
.string_("BPM");
|
||||
|
||||
SCSlider(cbar, 60 @ 20)
|
||||
.action_{ |slid|
|
||||
var spec = [80, 180, \linear, 1].asSpec;
|
||||
tempoBox.value = spec.map(slid.value);
|
||||
}
|
||||
.keyDownAction_{ nil }
|
||||
.value_(0.5);
|
||||
|
||||
tempoBox = SCNumberBox(cbar, Rect(5, 5, 60, 20))
|
||||
.value_(130);
|
||||
|
||||
SCStaticText(cbar, 30 @ 20)
|
||||
.string_("");
|
||||
|
||||
SCStaticText(cbar, 42 @ 20)
|
||||
.string_("XFader");
|
||||
|
||||
xfadeslid = SCSlider(cbar, 60 @ 20)
|
||||
.action_{ |slider|
|
||||
xfadeval = slider.value;
|
||||
beatbox.refresh;
|
||||
}
|
||||
.keyDownAction_{ nil };
|
||||
|
||||
tbar = SCHLayoutView(view, Rect(5, 5, 510, 20));
|
||||
|
||||
SCStaticText(tbar, Rect(5, 5, 60, 20));
|
||||
|
||||
16.do { |n|
|
||||
indicators[n] = SCButton(tbar, Rect(5, 5, 20, 20))
|
||||
.states_([
|
||||
[ "", Color.grey, Color.grey ],
|
||||
[ "", Color.black, Color.green ]
|
||||
])
|
||||
.enabled_(false)
|
||||
};
|
||||
|
||||
channels.size.do { |channel|
|
||||
var button;
|
||||
var hbox = SCHLayoutView(view, Rect(5, 5, 380, 20));
|
||||
hbox.background_(Color(0.4, 0.4, 0.4));
|
||||
|
||||
button = SCButton(hbox, Rect(5, 5, 60, 20))
|
||||
.states_([
|
||||
[ "Select", Color.black, Color.grey ],
|
||||
[ "Select", Color.black, Color.yellow ]
|
||||
])
|
||||
.action_{ |thisButton|
|
||||
view.children[2..channels.size+1].do { |hbox, n|
|
||||
var anotherButton = hbox.children.first;
|
||||
if(thisButton == anotherButton) {
|
||||
currentChannel = n;
|
||||
thisButton.value = 1;
|
||||
beatbox.scope.refresh;
|
||||
beatbox.updateLowerStatus;
|
||||
} {
|
||||
anotherButton.value = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
.keyDownAction_{ nil };
|
||||
|
||||
if(channel == 0)
|
||||
{ button.value = 1 } { button.value = 0 };
|
||||
|
||||
selects.add(button);
|
||||
|
||||
16.do { |n|
|
||||
var button;
|
||||
button = SCButton(hbox, Rect(5, 5, 20, 20))
|
||||
.states_([
|
||||
[ "", Color.white, Color.grey ],
|
||||
[ "x", Color.black, Color.yellow ],
|
||||
[ "x", Color.black, Color(1.0, 0.55, 0.0) ],
|
||||
[ "X", Color.white, Color.red ]
|
||||
])
|
||||
.action_{ |button|
|
||||
buttonvals[channel][n] = button.value;
|
||||
}
|
||||
.keyDownAction_{ nil };
|
||||
|
||||
buttons[channel].add(button);
|
||||
buttonvals[channel].add(0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
play {
|
||||
if(playing.not) {
|
||||
startedTime = SystemClock.seconds;
|
||||
routine.play;
|
||||
playing = true;
|
||||
mainbutton.value = 1;
|
||||
}
|
||||
}
|
||||
|
||||
stop {
|
||||
if(playing) {
|
||||
routine.stop;
|
||||
this.initRoutine;
|
||||
beatbox.jam(0);
|
||||
indicators.do { |light| { light.value = 0 }.defer(0.2) };
|
||||
playing = false;
|
||||
mainbutton.value = 0;
|
||||
}
|
||||
}
|
||||
|
||||
setCurrentHit {
|
||||
var currentHit = this.currentHit;
|
||||
beats[currentChannel].play;
|
||||
buttonvals[currentChannel][currentHit] = 2;
|
||||
buttons[currentChannel][currentHit].value = 2;
|
||||
}
|
||||
|
||||
clearCurrentHit {
|
||||
var currentHit = this.currentHit;
|
||||
buttonvals[currentChannel][currentHit] = 0;
|
||||
buttons[currentChannel][currentHit].value = 0;
|
||||
}
|
||||
|
||||
currentHit {
|
||||
var durplaying, bardur, sdur, thisbar, currhit;
|
||||
|
||||
if(playing) {
|
||||
durplaying = SystemClock.seconds - startedTime;
|
||||
bardur = (60 / tempoBox.value) * 4;
|
||||
sdur = bardur / 16;
|
||||
thisbar = durplaying % bardur;
|
||||
currhit = ((thisbar / sdur).asInteger - 1) % 16;
|
||||
|
||||
^currhit
|
||||
} {
|
||||
^0
|
||||
}
|
||||
}
|
||||
|
||||
allButtons {
|
||||
^view.children[1..9].collect{ |hview|
|
||||
hview.children[1..16]
|
||||
};
|
||||
}
|
||||
|
||||
numChannels {
|
||||
^channels.size;
|
||||
}
|
||||
|
||||
previewCurrentChannel {
|
||||
beats[currentChannel].play(xfadeval, 0.7)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
( "/Developer/Projects/live-beatbox/samples/Closed hat 6.wav": [ 0.028100816532969, 0.20734845101833, 0.44244965910912, 0.19834707677364, 0.29480570554733, 0.21033130586147, 0.19226108491421, 0.16130591928959, 0.20348688960075, 0.16594757139683, 0.20781420171261, 0.20277032256126, 0.24474443495274, 0.21634757518768, 0.25939178466797, 0.24534736573696, 0.28614860773087, 0.24162520468235, 0.26033365726471, 0.24491479992867, 0.96856129169464, 0.81802827119827 ], "/Developer/Projects/live-beatbox/samples/Clap 3.wav": [ 0.68969398736954, -0.1031379699707, -0.010573903098702, 0.0011192427482456, 0.10929827392101, 0.17618775367737, 0.2313070744276, 0.25493428111076, 0.24094235897064, 0.23673513531685, 0.22424203157425, 0.21854357421398, 0.21852107346058, 0.23635332286358, 0.23915708065033, 0.24596996605396, 0.25377571582794, 0.25055998563766, 0.25317540764809, 0.24054843187332, 0.45369762182236, 0.28721743822098 ], "/Developer/Projects/live-beatbox/samples/Open hat 6.wav": [ -0.10418137907982, 0.12545272707939, 0.26413142681122, 0.11792324483395, 0.13093458116055, 0.15442660450935, 0.2201838940382, 0.21260103583336, 0.27931788563728, 0.21682423353195, 0.30024662613869, 0.32407745718956, 0.32413098216057, 0.27243322134018, 0.34235110878944, 0.32974123954773, 0.31098112463951, 0.27653843164444, 0.24456091225147, 0.2412886172533, 1.1818572282791, 0.8577134013176 ], "/Developer/Projects/live-beatbox/samples/Open hat 4.wav": [ -0.44512757658958, -0.28453382849693, 0.019333604723215, -0.1732130497694, 0.029163746163249, 0.01279385201633, 0.095025569200516, 0.067504234611988, 0.16189058125019, 0.19917987287045, 0.24972932040691, 0.22220753133297, 0.26714646816254, 0.2609791457653, 0.25403741002083, 0.27353420853615, 0.29010003805161, 0.22680869698524, 0.19121085107327, 0.24994830787182, 1.1471894979477, 0.90326148271561 ],
|
||||
"/Developer/Projects/live-beatbox/samples/Snare 8.wav": [ 0.48005995154381, 0.058043457567692, 0.45187604427338, 0.2283534258604, 0.40486064553261, 0.26525577902794, 0.32236662507057, 0.24231749773026, 0.29479596018791, 0.24303676187992, 0.25518527626991, 0.19307468831539, 0.23229494690895, 0.19739992916584, 0.23464648425579, 0.20485074818134, 0.21900154650211, 0.21084386110306, 0.22259071469307, 0.21663491427898, 0.59355241060257, 0.50185519456863 ], "/Developer/Projects/live-beatbox/samples/Closed hat 1.wav": [ 0.062044788151979, 0.1052081361413, 0.4205387532711, 0.20742812752724, 0.35730031132698, 0.2454069852829, 0.27549934387207, 0.25356411933899, 0.33766117691994, 0.21182133257389, 0.3126594722271, 0.2204102575779, 0.23577497899532, 0.28142130374908, 0.27484825253487, 0.20640909671783, 0.33941233158112, 0.18872247636318, 0.28233349323273, 0.28189796209335, 0.93620014190674, 0.77957373857498 ], "/Developer/Projects/live-beatbox/samples/Kick d.wav": [ 1.4694187641144, 0.67598873376846, 0.55756497383118, 0.41486153006554, 0.41115987300873, 0.33388984203339, 0.32402813434601, 0.27600729465485, 0.30255457758904, 0.27113127708435, 0.27435728907585, 0.24311591684818, 0.25029489398003, 0.24023097753525, 0.2524850666523, 0.24844248592854, 0.24629904329777, 0.25076055526733, 0.24851040542126, 0.23607671260834, 0.048439539968967, 0.0095306942239404 ], "/Developer/Projects/live-beatbox/samples/Open hat 5.wav": [ -0.2410766929388, -0.035868398845196, 0.28107652068138, 0.067077621817589, 0.20943081378937, 0.19142307341099, 0.2358707934618, 0.17827734351158, 0.1976870149374, 0.23997999727726, 0.29167410731316, 0.27388048171997, 0.26068586111069, 0.28834983706474, 0.26689144968987, 0.25419098138809, 0.26368796825409, 0.30371418595314, 0.26542043685913, 0.19742566347122, 1.1515715122223, 0.89676320552826 ], "/Developer/Projects/live-beatbox/samples/snare 2.wav": [ 0.23288822174072, 0.16889598965645, 0.26748639345169, 0.28498288989067, 0.24526613950729, 0.25464102625847, 0.25208041071892, 0.25892278552055, 0.20539751648903, 0.2151442617178, 0.22292718291283, 0.19789381325245, 0.20437158644199, 0.19868516921997, 0.21727727353573, 0.20834235846996, 0.23634694516659, 0.24443908035755, 0.25261974334717, 0.24812336266041, 1.0816323757172, 0.77368497848511 ],
|
||||
"/Developer/Projects/live-beatbox/samples/Snare 7.wav": [ 0.09044323861599, 0.16288183629513, 0.40270894765854, 0.19544792175293, 0.39212024211884, 0.25524243712425, 0.25996765494347, 0.18911173939705, 0.1760091483593, 0.18137215077877, 0.20859894156456, 0.19736552238464, 0.20673575997353, 0.21071603894234, 0.21623130142689, 0.21338751912117, 0.21975739300251, 0.22306030988693, 0.22703586518764, 0.23083430528641, 0.92165344953537, 0.83659398555756 ], "/Developer/Projects/live-beatbox/samples/RIDE 3.wav": [ -0.071648597717285, 0.0553621314466, 0.36981308460236, 0.15631999075413, 0.24372327327728, 0.23463135957718, 0.24096707999706, 0.3165086209774, 0.24067643284798, 0.22424438595772, 0.24786140024662, 0.30708941817284, 0.27702814340591, 0.27915367484093, 0.31422239542007, 0.28455889225006, 0.21855114400387, 0.22710810601711, 0.29566925764084, 0.31767588853836, 1.2412390708923, 0.8346706032753 ], "/Developer/Projects/live-beatbox/samples/Kick b.wav": [ 1.0275176763535, 0.42086938023567, 0.47628819942474, 0.35202345252037, 0.38319835066795, 0.32463994622231, 0.32781052589417, 0.29058158397675, 0.31597372889519, 0.28384652733803, 0.26735052466393, 0.24412631988525, 0.27344533801079, 0.24078017473221, 0.25736999511719, 0.24493227899075, 0.24702084064484, 0.25655102729797, 0.24532003700733, 0.24291236698627, 0.5, 0.018167873844504 ], "/Developer/Projects/live-beatbox/samples/Kick f.wav": [ 1.1850464344025, 0.56375002861023, 0.62069565057755, 0.41818651556969, 0.4848268032074, 0.3511588871479, 0.35587561130524, 0.30143275856972, 0.33469501137733, 0.25428041815758, 0.27268934249878, 0.25191819667816, 0.27329647541046, 0.25330182909966, 0.26204028725624, 0.25307887792587, 0.26889654994011, 0.25623142719269, 0.2646167576313, 0.22322624921799, 0.080272883176804, 0.062225174158812 ], "/Developer/Projects/live-beatbox/samples/Jive 1.wav": [ 2.008181810379, 0.1114629805088, -0.19041830301285, 0.17800055444241, 0.10522022843361, 0.10384325683117, 0.091366000473499, 0.18637864291668, 0.15609197318554, 0.218904286623, 0.15681007504463, 0.23575966060162, 0.21251802146435, 0.24058331549168, 0.23506790399551, 0.27995800971985, 0.23713010549545, 0.27074864506721, 0.25944158434868, 0.2561457157135, 0.2696832716465, 0.15137416124344 ],
|
||||
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<html>
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||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
||||
<meta http-equiv="Content-Style-Type" content="text/css">
|
||||
<title></title>
|
||||
<meta name="Generator" content="Cocoa HTML Writer">
|
||||
<meta name="CocoaVersion" content="949.35">
|
||||
<style type="text/css">
|
||||
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Helvetica}
|
||||
p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px}
|
||||
p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica}
|
||||
p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Helvetica}
|
||||
p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 13.0px Helvetica}
|
||||
p.p6 {margin: 0.0px 0.0px 0.0px 0.0px; font: 13.0px Helvetica; min-height: 16.0px}
|
||||
p.p7 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco; min-height: 12.0px}
|
||||
p.p8 {margin: 0.0px 0.0px 0.0px 57.0px; text-indent: -57.0px; font: 9.0px Monaco; color: #a02411}
|
||||
p.p9 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco}
|
||||
span.s1 {text-decoration: underline}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<p class="p1"><b>AverageOutput</b></p>
|
||||
<p class="p2"><br></p>
|
||||
<p class="p3">The mean average output since the last received trigger.</p>
|
||||
<p class="p2"><br></p>
|
||||
<p class="p4"><b><span class="s1">Class methods</span></b></p>
|
||||
<p class="p2"><br></p>
|
||||
<p class="p5"><b>*ar(in, trig, mul, add)</b></p>
|
||||
<p class="p5"><b>*kr(in, trig, mul, add)</b></p>
|
||||
<p class="p6"><b></b><br></p>
|
||||
<p class="p6"><b></b><br></p>
|
||||
<p class="p3"><b>in - </b>input signal.</p>
|
||||
<p class="p2"><br></p>
|
||||
<p class="p3"><b>trig</b> -<span class="Apple-converted-space"> </span>if changes from <= 0 to > 0, resets average and count to zero.</p>
|
||||
<p class="p2"><br></p>
|
||||
<p class="p2"><br></p>
|
||||
<p class="p3"><i>Examples</i></p>
|
||||
<p class="p7"><br></p>
|
||||
<p class="p8">// sine oscillator, average slowly settles to zero</p>
|
||||
<p class="p9">a = { AverageOutput.ar(SinOsc.ar(10000)).poll }.play;</p>
|
||||
<p class="p7"><br></p>
|
||||
<p class="p9">a.free;</p>
|
||||
</body>
|
||||
</html>
|
||||
86
index.html
86
index.html
|
|
@ -1,86 +0,0 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
|
||||
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
||||
|
||||
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
|
||||
|
||||
<title>rfwatson/live-beatbox @ GitHub</title>
|
||||
|
||||
<style type="text/css">
|
||||
body {
|
||||
margin-top: 1.0em;
|
||||
background-color: #e85a30;
|
||||
font-family: "helvetica";
|
||||
color: #ffffff;
|
||||
}
|
||||
#container {
|
||||
margin: 0 auto;
|
||||
width: 700px;
|
||||
}
|
||||
h1 { font-size: 3.8em; color: #17a5cf; margin-bottom: 3px; }
|
||||
h1 .small { font-size: 0.4em; }
|
||||
h1 a { text-decoration: none }
|
||||
h2 { font-size: 1.5em; color: #17a5cf; }
|
||||
h3 { text-align: center; color: #17a5cf; }
|
||||
a { color: #17a5cf; }
|
||||
.description { font-size: 1.2em; margin-bottom: 30px; margin-top: 30px; font-style: italic;}
|
||||
.download { float: right; }
|
||||
pre { background: #000; color: #fff; padding: 15px;}
|
||||
hr { border: 0; width: 80%; border-bottom: 1px solid #aaa}
|
||||
.footer { text-align:center; padding-top:30px; font-style: italic; }
|
||||
</style>
|
||||
|
||||
</head>
|
||||
|
||||
<body>
|
||||
<a href="http://github.com/rfwatson/live-beatbox"><img style="position: absolute; top: 0; right: 0; border: 0;" src="http://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub" /></a>
|
||||
|
||||
<div id="container">
|
||||
|
||||
<div class="download">
|
||||
<a href="http://github.com/rfwatson/live-beatbox/zipball/master">
|
||||
<img border="0" width="90" src="http://github.com/images/modules/download/zip.png"></a>
|
||||
<a href="http://github.com/rfwatson/live-beatbox/tarball/master">
|
||||
<img border="0" width="90" src="http://github.com/images/modules/download/tar.png"></a>
|
||||
</div>
|
||||
|
||||
<h1><a href="http://github.com/rfwatson/live-beatbox">live-beatbox</a>
|
||||
<span class="small">by <a href="http://github.com/rfwatson">rfwatson</a></small></h1>
|
||||
|
||||
<div class="description">
|
||||
experimental voice-powered drum sequencer
|
||||
</div>
|
||||
|
||||
<p>some main project text</p><h2>Dependencies</h2>
|
||||
<p>blah</p>
|
||||
<h2>Install</h2>
|
||||
<p>blah</p>
|
||||
<h2>License</h2>
|
||||
<p>etc etc</p>
|
||||
<h2>Authors</h2>
|
||||
<p>rob (rfwatson@gmail.com)
<br/>
<br/> </p>
|
||||
<h2>Contact</h2>
|
||||
<p>Rob Watson (rfwatson@gmail.com)
<br/> </p>
|
||||
|
||||
|
||||
<h2>Download</h2>
|
||||
<p>
|
||||
You can download this project in either
|
||||
<a href="http://github.com/rfwatson/live-beatbox/zipball/master">zip</a> or
|
||||
<a href="http://github.com/rfwatson/live-beatbox/tarball/master">tar</a> formats.
|
||||
</p>
|
||||
<p>You can also clone the project with <a href="http://git-scm.com">Git</a>
|
||||
by running:
|
||||
<pre>$ git clone git://github.com/rfwatson/live-beatbox</pre>
|
||||
</p>
|
||||
|
||||
<div class="footer">
|
||||
get the source code on GitHub : <a href="http://github.com/rfwatson/live-beatbox">rfwatson/live-beatbox</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
|
||||
</body>
|
||||
</html>
|
||||
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|
|
@ -0,0 +1,5 @@
|
|||
(
|
||||
Server.local.doWhenBooted {
|
||||
BeatBox(Document.current.dir);
|
||||
};
|
||||
)
|
||||
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|
|
@ -0,0 +1,40 @@
|
|||
// This is the script I used to batch analyse a directory of audio samples.
|
||||
|
||||
// It scans a directory, analyses each suitable audio
|
||||
// sample found and stores the results in the environment variable
|
||||
// ~output.
|
||||
|
||||
// This output should be saved in a file called "data.sc" in the root directory.
|
||||
|
||||
// At present sound samples are limited to 1 second in length..
|
||||
|
||||
|
||||
// TODO improve this system!
|
||||
|
||||
|
||||
(
|
||||
var maxFrames = 44100;
|
||||
var path = Document.current.dir ++ "/samples/".standardizePath; // edit to your path
|
||||
var files = (path ++ "*.wav").pathMatch;
|
||||
~output = ();
|
||||
|
||||
Routine {
|
||||
files.do { |fname|
|
||||
var len;
|
||||
|
||||
try {
|
||||
Post << "Processing " << fname << $\n;
|
||||
|
||||
Beat.newFromPath(fname, s) { |beat|
|
||||
beat.analyse { |beat|
|
||||
~output[fname] = beat.features;
|
||||
};
|
||||
};
|
||||
} { |error|
|
||||
error.errorString.postln;
|
||||
};
|
||||
|
||||
1.wait
|
||||
};
|
||||
}.play;
|
||||
)
|
||||
|
|
@ -0,0 +1 @@
|
|||
the included sounds come from the public domain "Alex Calver Sample Pack"
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
/*
|
||||
SuperCollider real time audio synthesis system
|
||||
Copyright (c) 2002 James McCartney. All rights reserved.
|
||||
http://www.audiosynth.com
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
//ACMC demo UGen
|
||||
|
||||
#include "SC_PlugIn.h"
|
||||
|
||||
static InterfaceTable *ft;
|
||||
|
||||
struct AverageOutput : public Unit {
|
||||
float average, prev_trig;
|
||||
uint32 count;
|
||||
};
|
||||
|
||||
extern "C" {
|
||||
void AverageOutput_next(AverageOutput *unit, int inNumSamples);
|
||||
void AverageOutput_Ctor(AverageOutput* unit);
|
||||
void AverageOutput_Dtor(AverageOutput* unit);
|
||||
}
|
||||
|
||||
|
||||
void AverageOutput_Ctor( AverageOutput* unit ) {
|
||||
unit->average = 0.;
|
||||
unit->count = 0;
|
||||
unit->prev_trig = 0.;
|
||||
|
||||
RGen& rgen = *unit->mParent->mRGen;
|
||||
|
||||
SETCALC(AverageOutput_next);
|
||||
}
|
||||
|
||||
void AverageOutput_Dtor(AverageOutput *unit) {
|
||||
// nothing to do here
|
||||
}
|
||||
|
||||
void AverageOutput_next( AverageOutput *unit, int inNumSamples ) {
|
||||
int i;
|
||||
float *in = IN(0);
|
||||
float *out = ZOUT(0);
|
||||
float trig = ZIN0(1);
|
||||
float prev_trig = unit->prev_trig;
|
||||
double average = unit->average;
|
||||
uint32 count = unit->count;
|
||||
|
||||
if(prev_trig <= 0. && trig > 0.) {
|
||||
average = 0.;
|
||||
count = 0;
|
||||
}
|
||||
|
||||
for (i=0; i<inNumSamples; ++i) {
|
||||
average = ((count * average) + *(in+i)) / ++count;
|
||||
ZXP(out) = average;
|
||||
}
|
||||
|
||||
unit->prev_trig = trig;
|
||||
unit->count = count;
|
||||
unit->average = average;
|
||||
}
|
||||
|
||||
extern "C" void load(InterfaceTable *inTable) {
|
||||
|
||||
ft = inTable;
|
||||
|
||||
DefineDtorUnit(AverageOutput);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -0,0 +1 @@
|
|||
cp /Applications/SuperCollider3/build/plugins/RFWGens.scx /l/cm2/coursework/task3/plugins
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
SynthDef(\beatboxlistener) { |out=0, in=0, amp=1.0, threshold=0.3, lag=0.1, t_resetRecord=0.0, fftbuf, recbuf|
|
||||
var input, chain, onsets, peak;
|
||||
|
||||
input = SoundIn.ar(in);
|
||||
chain = FFT(fftbuf, input);
|
||||
onsets = Onsets.kr(chain, threshold, \rcomplex);
|
||||
peak = PeakFollower.ar(input, 0.01).lag(lag);
|
||||
|
||||
RecordBuf.ar(input, bufnum: recbuf, trigger: t_resetRecord);
|
||||
|
||||
SendTrig.kr(onsets, value: 1);
|
||||
SendTrig.ar((peak < 0.0002), value: 2);
|
||||
|
||||
Out.ar(out, input * amp);
|
||||
}.load(s);
|
||||
|
||||
// TODO Envelope recognition? This is pretty good at selecting timbres but often the envelopes
|
||||
// of the two sounds (perceptually just as important??) are very different.
|
||||
SynthDef(\beatboxanalyzer) { |out=0, fftbuf, bufnum, cbus1, cbus2, cbus3, t_reset=0.0|
|
||||
var sig, inbuf, chain, coeffs, centroid, zcr;
|
||||
|
||||
sig = PlayBuf.ar(numChannels: 1, bufnum:bufnum);
|
||||
chain = FFT(fftbuf, sig, wintype: 1); // Hann windowing
|
||||
coeffs = MFCC.kr(chain, 20);
|
||||
centroid = SpecCentroid.kr(chain).linlin(100, 10000, 0, 1.5, \minmax); // perhaps a slight weighting
|
||||
zcr = ZeroCrossing.ar(sig).linlin(100, 10000, 0, 1.5, \minmax); // towards these two
|
||||
|
||||
Out.kr(cbus1, AverageOutput.kr(coeffs, trig: t_reset));
|
||||
Out.kr(cbus2, AverageOutput.kr(centroid, trig: t_reset));
|
||||
Out.kr(cbus3, A2K.kr(AverageOutput.kr(zcr, trig: t_reset)));
|
||||
}.load(s);
|
||||
|
||||
|
||||
SynthDef(\beatboxplayer) { |out=0, bufnum1, bufnum2, crossfade=0.0, mul=1.0|
|
||||
var p1 = PlayBuf.ar(numChannels: 1, loop: 0, bufnum: bufnum1);
|
||||
var p2 = PlayBuf.ar(numChannels: 1, loop: 0, bufnum: bufnum2);
|
||||
var amp1 = 1 - crossfade;
|
||||
var amp2 = crossfade;
|
||||
var dur = BufDur.kr(bufnum1);
|
||||
var env = EnvGen.kr(Env([1,1,0], [dur * 0.9, dur]));
|
||||
|
||||
Out.ar(out,
|
||||
mul * Pan2.ar(
|
||||
(((p1 * 0.5) * (env * amp1)) + ((p2 * 0.5) * (env * amp2)));
|
||||
)
|
||||
);
|
||||
}.load(s);
|
||||
Loading…
Reference in New Issue