C++ (Cpp) new_aubio_window Examples

Example #1

File: phasevoc.c Project: daphne-yu/aubio

aubio_pvoc_t * new_aubio_pvoc (uint_t win_s, uint_t hop_s) {
  aubio_pvoc_t * pv = AUBIO_NEW(aubio_pvoc_t);

  /* if (win_s < 2*hop_s) {
    AUBIO_WRN("Hop size bigger than half the window size!\n");
  } */

  if (hop_s < 1) {
    AUBIO_ERR("Hop size is smaller than 1!\n");
    AUBIO_ERR("Resetting hop size to half the window size.\n");
    hop_s = win_s / 2;
  }

  pv->fft      = new_aubio_fft (win_s);

  /* remember old */
  pv->data     = new_fvec (win_s);
  pv->synth    = new_fvec (win_s);

  /* new input output */
  pv->dataold  = new_fvec  (win_s-hop_s);
  pv->synthold = new_fvec (win_s-hop_s);
  pv->w        = new_aubio_window ("hanningz", win_s);

  pv->hop_s    = hop_s;
  pv->win_s    = win_s;

  return pv;
}

Example #2

File: pitchfcomb.c Project: XunjunYin/aubio

aubio_pitchfcomb_t *
new_aubio_pitchfcomb (uint_t bufsize, uint_t hopsize)
{
    aubio_pitchfcomb_t *p = AUBIO_NEW (aubio_pitchfcomb_t);
    p->fftSize = bufsize;
    p->stepSize = hopsize;
    p->winput = new_fvec (bufsize);
    p->fftOut = new_cvec (bufsize);
    p->fftLastPhase = new_fvec (bufsize);
    p->fft = new_aubio_fft (bufsize);
    p->win = new_aubio_window ("hanning", bufsize);
    return p;
}

Example #3

File: pitchspecacf.c Project: XunjunYin/aubio

aubio_pitchspecacf_t *
new_aubio_pitchspecacf (uint_t bufsize)
{
    aubio_pitchspecacf_t *p = AUBIO_NEW (aubio_pitchspecacf_t);
    p->win = new_aubio_window ("hanningz", bufsize);
    p->winput = new_fvec (bufsize);
    p->fft = new_aubio_fft (bufsize);
    p->fftout = new_fvec (bufsize);
    p->sqrmag = new_fvec (bufsize);
    p->acf = new_fvec (bufsize / 2 + 1);
    p->tol = 1.;
    p->confidence = 0.;
    return p;
}

Example #4

File: pitchyinfft.c Project: Craig-J/RhythMIR

aubio_pitchyinfft_t *
new_aubio_pitchyinfft (uint_t samplerate, uint_t bufsize)
{
  uint_t i = 0, j = 1;
  smpl_t freq = 0, a0 = 0, a1 = 0, f0 = 0, f1 = 0;
  aubio_pitchyinfft_t *p = AUBIO_NEW (aubio_pitchyinfft_t);
  p->winput = new_fvec (bufsize);
  p->fft = new_aubio_fft (bufsize);
  p->fftout = new_fvec (bufsize);
  p->sqrmag = new_fvec (bufsize);
  p->yinfft = new_fvec (bufsize / 2 + 1);
  p->tol = 0.85;
  p->win = new_aubio_window ("hanningz", bufsize);
  p->weight = new_fvec (bufsize / 2 + 1);
  for (i = 0; i < p->weight->length; i++) {
    freq = (smpl_t) i / (smpl_t) bufsize *(smpl_t) samplerate;
    while (freq > freqs[j]) {
      j += 1;
    }
    a0 = weight[j - 1];
    f0 = freqs[j - 1];
    a1 = weight[j];
    f1 = freqs[j];
    if (f0 == f1) {           // just in case
      p->weight->data[i] = a0;
    } else if (f0 == 0) {     // y = ax+b
      p->weight->data[i] = (a1 - a0) / f1 * freq + a0;
    } else {
      p->weight->data[i] = (a1 - a0) / (f1 - f0) * freq +
          (a0 - (a1 - a0) / (f1 / f0 - 1.));
    }
    while (freq > freqs[j]) {
      j += 1;
    }
    //AUBIO_DBG("%f\n",p->weight->data[i]);
    p->weight->data[i] = DB2LIN (p->weight->data[i]);
    //p->weight->data[i] = SQRT(DB2LIN(p->weight->data[i]));
  }
  // check for octave errors above 1300 Hz
  p->short_period = (uint_t)ROUND(samplerate / 1300.);
  return p;
}

Example #5

File: pitchyinfft.c Project: daphne-yu/aubio

aubio_pitchyinfft_t *
new_aubio_pitchyinfft (uint_t bufsize)
{
  aubio_pitchyinfft_t *p = AUBIO_NEW (aubio_pitchyinfft_t);
  p->winput = new_fvec (bufsize);
  p->fft = new_aubio_fft (bufsize);
  p->fftout = new_cvec (bufsize);
  p->sqrmag = new_fvec (bufsize);
  p->res = new_cvec (bufsize);
  p->yinfft = new_fvec (bufsize / 2 + 1);
  p->tol = 0.85;
  p->win = new_aubio_window ("hanningz", bufsize);
  p->weight = new_fvec (bufsize / 2 + 1);
  uint_t i = 0, j = 1;
  smpl_t freq = 0, a0 = 0, a1 = 0, f0 = 0, f1 = 0;
  for (i = 0; i < p->weight->length; i++) {
    freq = (smpl_t) i / (smpl_t) bufsize *(smpl_t) 44100.;
    while (freq > freqs[j]) {
      j += 1;
    }
    a0 = weight[j - 1];
    f0 = freqs[j - 1];
    a1 = weight[j];
    f1 = freqs[j];
    if (f0 == f1) {           // just in case
      p->weight->data[i] = a0;
    } else if (f0 == 0) {     // y = ax+b
      p->weight->data[i] = (a1 - a0) / f1 * freq + a0;
    } else {
      p->weight->data[i] = (a1 - a0) / (f1 - f0) * freq +
          (a0 - (a1 - a0) / (f1 / f0 - 1.));
    }
    while (freq > freqs[j]) {
      j += 1;
    }
    //AUBIO_DBG("%f\n",p->weight->data[i]);
    p->weight->data[i] = DB2LIN (p->weight->data[i]);
    //p->weight->data[i] = SQRT(DB2LIN(p->weight->data[i]));
  }
  return p;
}

Example #6

File: phasevoc.c Project: famulus/aubio

aubio_pvoc_t * new_aubio_pvoc (uint_t win_s, uint_t hop_s) {
  aubio_pvoc_t * pv = AUBIO_NEW(aubio_pvoc_t);

  /* if (win_s < 2*hop_s) {
    AUBIO_WRN("Hop size bigger than half the window size!\n");
  } */

  if (hop_s < 1) {
    AUBIO_ERR("got hop_size %d, but can not be < 1\n", hop_s);
    goto beach;
  } else if (win_s < 1) {
    AUBIO_ERR("got buffer_size %d, but can not be < 2\n", win_s);
    goto beach;
  } else if (win_s < hop_s + 1) {
    AUBIO_ERR("hop size (%d) is larger than or equal to win size (%d)\n", win_s, hop_s);
    goto beach;
  }

  pv->fft      = new_aubio_fft (win_s);

  /* remember old */
  pv->data     = new_fvec (win_s);
  pv->synth    = new_fvec (win_s);

  /* new input output */
  pv->dataold  = new_fvec  (win_s-hop_s);
  pv->synthold = new_fvec (win_s-hop_s);
  pv->w        = new_aubio_window ("hanningz", win_s);

  pv->hop_s    = hop_s;
  pv->win_s    = win_s;

  return pv;

beach:
  AUBIO_FREE (pv);
  return NULL;
}