1 | #include <aubio.h> |
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2 | |
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3 | int main (void) |
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4 | { |
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5 | uint_t n = 10; // compute n times |
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6 | uint_t win_s = 1024; // window size |
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7 | uint_t hop_s = 256; // hop size |
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8 | |
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9 | // create some vectors |
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10 | fvec_t * in = new_fvec (hop_s); // input buffer |
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11 | cvec_t * fftgrain = new_cvec (win_s); // fft norm and phase |
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12 | cvec_t * cstead = new_cvec (win_s); // fft norm and phase |
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13 | cvec_t * ctrans = new_cvec (win_s); // fft norm and phase |
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14 | fvec_t * stead = new_fvec (hop_s); // output buffer |
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15 | fvec_t * trans = new_fvec (hop_s); // output buffer |
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16 | |
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17 | // create phase vocoder for analysis of input signal |
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18 | aubio_pvoc_t * pv = new_aubio_pvoc (win_s,hop_s); |
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19 | // create transient/steady-state separation object |
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20 | aubio_tss_t * tss = new_aubio_tss(win_s,hop_s); |
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21 | // create phase vocoder objects for synthesis of output signals |
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22 | aubio_pvoc_t * pvt = new_aubio_pvoc(win_s,hop_s); |
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23 | aubio_pvoc_t * pvs = new_aubio_pvoc(win_s,hop_s); |
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24 | |
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25 | /* execute stft */ |
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26 | while ( n-- ) { |
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27 | // fftgrain = pv(in) |
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28 | aubio_pvoc_do (pv, in, fftgrain); |
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29 | // ctrans, cstead = tss (fftgrain) |
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30 | aubio_tss_do (tss, fftgrain, ctrans, cstead); |
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31 | // stead = pvt_inverse (cstead) |
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32 | // trans = pvt_inverse (ctrans) |
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33 | aubio_pvoc_rdo (pvt, cstead, stead); |
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34 | aubio_pvoc_rdo (pvs, ctrans, trans); |
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35 | } |
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36 | |
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37 | del_aubio_pvoc(pv); |
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38 | del_aubio_pvoc(pvt); |
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39 | del_aubio_pvoc(pvs); |
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40 | del_aubio_tss(tss); |
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41 | |
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42 | del_fvec(in); |
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43 | del_cvec(fftgrain); |
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44 | del_cvec(cstead); |
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45 | del_cvec(ctrans); |
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46 | del_fvec(stead); |
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47 | del_fvec(trans); |
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48 | |
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49 | aubio_cleanup(); |
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50 | |
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51 | return 0; |
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52 | } |
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