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91 lines
2.3 KiB
Plaintext
91 lines
2.3 KiB
Plaintext
s.reboot
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////////////////////////////
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// test for efficiency
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(
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b = Buffer.read(s,"/Users/pa/Documents/documents@hudd/research/projects/fluid corpus navigation/research/denoise_stn/sources/01-mix.wav");
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~fft_size = 2048;
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~frame_size = 1024;
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~hop_size = 256;
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~which_rank = 0;
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)
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(
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c = Buffer.alloc(s,b.numFrames,5);
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x = Buffer.alloc(s,(~fft_size / 2 +1),5);
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y = Buffer.alloc(s,(b.numFrames / ~hop_size + 1) ,5);
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)
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// without sources
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d = Main.elapsedTime; b.fdNMF(nil, x, y, 5, 100, ~fft_size,~frame_size,~hop_size,{e = Main.elapsedTime; (e-d).postln})
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// with sources
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d = Main.elapsedTime; b.fdNMF(c, x, y, 5, 100, ~fft_size,~frame_size,~hop_size,{e = Main.elapsedTime; (e-d).postln})
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//look at the dictionaries and activations
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x.plot; y.plot;
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//null test of the sum of sources
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{(PlayBuf.ar(5,c.bufnum,doneAction:2).sum)+(-1*PlayBuf.ar(1,b.bufnum,doneAction:2))}.play
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// play around
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{Splay.ar(PlayBuf.ar(5,c.bufnum,doneAction:2))}.play
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//play a single source
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{PlayBuf.ar(5,c.bufnum,doneAction:2)[~which_rank].dup}.play
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//play noise through a filter
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(
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{
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var chain;
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chain = FFT(LocalBuf(~fft_size), WhiteNoise.ar());
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chain = chain.pvcollect(~fft_size, {|mag, phase, index|
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[mag * BufRd.kr(5,x.bufnum,DC.kr(index),0,1)[~which_rank]];
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});
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IFFT(chain);
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}.play
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)
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//play noise through an activation
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{WhiteNoise.ar(BufRd.kr(5,y.bufnum,Phasor.ar(1,1/~hop_size,0,(b.numFrames / ~hop_size + 1)),0,1)[~which_rank] * 0.01)}.play
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//play noise through both activation and filter
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(
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{
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var chain;
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chain = FFT(LocalBuf(~fft_size), WhiteNoise.ar(BufRd.kr(5,y.bufnum,Phasor.ar(1,1/~hop_size,0,(b.numFrames / ~hop_size + 1)),0,1)[~which_rank]*0.15),0.25,1);
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chain = chain.pvcollect(~fft_size, {|mag, phase, index|
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[mag * BufRd.kr(5,x.bufnum,DC.kr(index),0,1)[~which_rank]];
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});
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[0,IFFT(chain)];
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}.play
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)
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// test with stereo input
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Buffer.freeAll(s)
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(
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b = Buffer.read(s,"/Users/pa/Desktop/verystereo.wav");
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~fft_size = 1024;
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~frame_size = 512;
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~hop_size = 256;
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)
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(
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c = Buffer.alloc(s,b.numFrames,10);
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x = Buffer.alloc(s,(~fft_size / 2 +1),10);
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y = Buffer.alloc(s,(b.numFrames / ~hop_size + 1) ,10);
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)
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d = Main.elapsedTime; b.fdNMF(c, x, y, 5, 100, ~fft_size,~frame_size,~hop_size,{e = Main.elapsedTime; (e-d).postln})
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{PlayBuf.ar(10,c.bufnum,doneAction:2)[5].dup}.play
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c.getn(0, 10, {|x|x.postln})
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