feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change
on this file since 1e4d90f was
158e031,
checked in by Paul Brossier <piem@piem.org>, 11 years ago
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tests/: add void to prototypes to build with -Wstrict-prototypes
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-
Property mode set to
100644
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File size:
1.5 KB
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Rev | Line | |
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[45c0f16] | 1 | #include <aubio.h> |
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[787b5e4] | 2 | |
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[158e031] | 3 | int main (void) |
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[6938a20] | 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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[9d6001cb] | 18 | aubio_pvoc_t * pv = new_aubio_pvoc (win_s,hop_s); |
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[6938a20] | 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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[9d6001cb] | 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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[6938a20] | 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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[9d6001cb] | 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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[6938a20] | 48 | |
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[9d6001cb] | 49 | aubio_cleanup(); |
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[6938a20] | 50 | |
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[9d6001cb] | 51 | return 0; |
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[787b5e4] | 52 | } |
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