C++ (Cpp) aubio_wavetable_set_freq示例

示例#1

文件： aubiotrack.c 项目： NightFury13/NoteClassification

int main(int argc, char **argv) {
  // override general settings from utils.c
  buffer_size = 1024;
  hop_size = 512;

  examples_common_init(argc,argv);

  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);

  verbmsg ("tempo method: %s, ", tempo_method);
  verbmsg ("buffer_size: %d, ", buffer_size);
  verbmsg ("hop_size: %d, ", hop_size);
  verbmsg ("threshold: %f\n", onset_threshold);

  tempo_out = new_fvec(2);
  tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
  // set silence threshold very low to output beats even during silence
  // aubio_tempo_set_silence(tempo, -1000.);
  if (onset_threshold != 0.) aubio_tempo_set_threshold (tempo, onset_threshold);

  wavetable = new_aubio_wavetable (samplerate, hop_size);
  aubio_wavetable_set_freq ( wavetable, 2450.);
  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");

  examples_common_process((aubio_process_func_t)process_block,process_print);

  del_aubio_tempo(tempo);
  del_aubio_wavetable (wavetable);
  del_fvec(tempo_out);

  examples_common_del();
  return 0;
}

示例#2

文件： aubiopitch.c 项目： iKala/aubio

void
process_block(fvec_t * ibuf, fvec_t * obuf) {
  fvec_zeros(obuf);
  aubio_pitch_do (o, ibuf, pitch);
  smpl_t freq = fvec_read_sample(pitch, 0);
  aubio_wavetable_set_amp ( wavetable, aubio_level_lin (ibuf) );
  aubio_wavetable_set_freq ( wavetable, freq );

  if (mix_input)
    aubio_wavetable_do (wavetable, ibuf, obuf);
  else
    aubio_wavetable_do (wavetable, obuf, obuf);
}

示例#3

文件： main.c 项目： karshan/rgb_music

int main(int argc, char **argv) {
  // override general settings from utils.c
  buffer_size = 1024;
  hop_size = 512;

  rgb_music_init();

  examples_common_init(argc,argv);

  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);

  verbmsg ("tempo method: %s, ", tempo_method);
  verbmsg ("buffer_size: %d, ", buffer_size);
  verbmsg ("hop_size: %d, ", hop_size);
  verbmsg ("threshold: %f\n", onset_threshold);

  tempo_out = new_fvec(2);
  tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
  if (onset_threshold != 0.) aubio_tempo_set_threshold (tempo, onset_threshold);

  pitch = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate);
  if (pitch_tolerance != 0.)
    aubio_pitch_set_tolerance (pitch, pitch_tolerance);
  if (silence_threshold != -90.)
    aubio_pitch_set_silence (pitch, silence_threshold);
  if (pitch_unit != NULL)
    aubio_pitch_set_unit (pitch, pitch_unit);

  pitch_out = new_fvec (1);



  wavetable = new_aubio_wavetable (samplerate, hop_size);
  aubio_wavetable_set_freq ( wavetable, 2450.);
  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");

  examples_common_process((aubio_process_func_t)process_block,process_print);

  del_aubio_tempo(tempo);
  del_aubio_wavetable (wavetable);
  del_fvec(tempo_out);

  del_aubio_pitch (pitch);
  del_fvec (pitch_out);

  examples_common_del();
  return 0;
}