feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change
on this file since f400ea1 was
974dddc,
checked in by Paul Brossier <piem@piem.org>, 17 years ago
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move tests/python/demo to tests/, add localaubio.py module helpers
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Property mode set to
100755
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File size:
807 bytes
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1 | #!/usr/bin/env python |
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2 | |
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3 | import pylab |
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4 | import numpy |
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5 | import sys |
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6 | |
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7 | from localaubio import * |
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8 | |
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9 | win_size = 2048 |
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10 | channels = 1 |
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11 | n_filters = 40 |
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12 | samplerate = 44100 |
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13 | |
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14 | filterbank = new_aubio_filterbank_mfcc(n_filters, win_size, samplerate, |
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15 | 0., samplerate) |
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16 | |
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17 | mfcc_filters = [] |
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18 | for channel in range(n_filters): |
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19 | vec = aubio_filterbank_getchannel(filterbank,channel) |
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20 | mfcc_filters.append([]) |
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21 | for index in range(win_size): |
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22 | mfcc_filters[channel].append(fvec_read_sample(vec,0,index)) |
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23 | |
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24 | doLog=False |
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25 | if len(sys.argv)>1: |
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26 | if sys.argv[1]=='log': |
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27 | doLog=True |
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28 | |
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29 | nmat= numpy.array(mfcc_filters) |
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30 | |
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31 | pylab.hold(True) |
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32 | |
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33 | n_filters=numpy.shape(nmat)[0] |
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34 | for i in range(n_filters): |
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35 | if doLog==True: |
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36 | pylab.semilogx(nmat[i,:]) |
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37 | else: |
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38 | pylab.plot(nmat[i,:]) |
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39 | |
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40 | pylab.hold(False) |
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41 | #pylab.savefig('test.png') |
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42 | pylab.show() |
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