annotate yeti/test.yeti @ 40:031386846e3c
Return bin frequencies, for reference; some padding
| author |
Chris Cannam <c.cannam@qmul.ac.uk> |
| date |
Tue, 19 Nov 2013 14:37:23 +0000 |
| parents |
c0514dd5be60 |
| children |
ae7d2e558ed1 |
| rev |
line source |
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c@37
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1
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c@37
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2 program test;
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c@37
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3
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c@37
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4 af = load may.stream.audiofile;
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5 plot = load may.plot;
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6 cm = load may.matrix.complex;
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7 mat = load may.matrix;
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8 vec = load may.vector;
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9 manipulate = load may.stream.manipulate;
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10 syn = load may.stream.syntheticstream;
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11
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12 { cqt } = load cqt;
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13
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14 //testStream = manipulate.withDuration 96000 (syn.sinusoid 48000 500);
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15 //testStream = manipulate.withDuration 96000 (syn.pulseTrain 48000 4);
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16 //testStream = af.open "sweep-48000.wav";
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17 //testStream = af.open "sweep.wav";
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18
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c@38
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19 testStream = manipulate.withDuration 64 (syn.sinusoid 8 2);
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20
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21 // So the stream is [ 0, 1, 0, -1, 0, 1, 0, -1, ... ]
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22
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23 eprintln "have test stream";
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24
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25 cq = cqt { maxFreq = testStream.sampleRate/2, minFreq = 1, binsPerOctave = 4 } testStream;
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26
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c@40
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27 eprintln "bin frequencies: \(cq.kernel.binFrequencies)";
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28
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29 for cq.output do c:
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30 mm = cm.magnitudes c;
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31 for (mat.asColumns mm) (println . strJoin "," . vec.list);
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32 done;
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33
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c@40
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34 bigM = mat.concatHorizontal (map cm.magnitudes cq.output);
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35
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36 eprintln "overall output size = \(mat.size bigM)";
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37
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38 mat.print bigM;
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39
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40 //\() (plot.plot [Contour bigM]);
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41 //\() (plot.plot [Grid bigM]);
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42
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43 ()
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44
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