ref: 08f6688c7ac7ab967f7cca62cca4730fd168cd34
dir: /examples/tests/test-tss.c/
/* test sample for phase vocoder * * this program should start correctly using JACK_START_SERVER=true and * reconstruct each audio input frame perfectly on the corresponding input with * a delay equal to the window size, hop_s. */ #include "aubio.h" int main(){ int i; uint_t win_s = 1024; /* window size */ uint_t hop_s = 256; /* hop size */ uint_t channels = 4; /* number of channels */ /* allocate some memory */ fvec_t * in = new_fvec (hop_s, channels); /* input buffer */ cvec_t * fftgrain = new_cvec (win_s, channels); /* fft norm and phase */ cvec_t * cstead = new_cvec (win_s, channels); /* fft norm and phase */ cvec_t * ctrans = new_cvec (win_s, channels); /* fft norm and phase */ fvec_t * stead = new_fvec (hop_s, channels); /* output buffer */ fvec_t * trans = new_fvec (hop_s, channels); /* output buffer */ /* allocate fft and other memory space */ aubio_pvoc_t * pv = new_aubio_pvoc (win_s,hop_s,channels); aubio_pvoc_t * pvt = new_aubio_pvoc(win_s,hop_s,channels); aubio_pvoc_t * pvs = new_aubio_pvoc(win_s,hop_s,channels); aubio_tss_t * tss = new_aubio_tss(0.01,3.,4.,win_s,hop_s,channels); /* fill input with some data */ printf("initialised\n"); /* execute stft */ for (i = 0; i < 1000; i++) { aubio_pvoc_do (pv,in,fftgrain); aubio_tss_do (tss,fftgrain,ctrans,cstead); aubio_pvoc_rdo(pvt,cstead,stead); aubio_pvoc_rdo(pvs,ctrans,trans); } del_aubio_pvoc(pv); del_fvec(in); del_cvec(fftgrain); del_cvec(cstead); del_cvec(ctrans); del_fvec(stead); del_fvec(trans); printf("memory freed\n"); return 0; }