graph LR
  load[/Load wav/] -->|y|spectogram[Spectogram]
  spectogram-->|S|griffinlim[griffinlim]
  load-->|y|channel_merger[channel_merger]
  griffinlim-->|y|channel_merger
  channel_merger-->|y|write[/Write wav/]

graph LR
  load[/Load wav/] -->|y|spectogram[Spectogram]
  spectogram-->|S|zeros_hp[Zero > fmin]
  zeros_hp -->|S|griffinlim_hp[griffinlim]
  griffinlim_hp-->|y|channel_merger

  spectogram-->|S|zeros_lp[Zero < fmin]
  zeros_lp -->|S|griffinlim_lp[griffinlim]
  griffinlim_lp-->|y|channel_merger

  channel_merger-->|y|write[/Write wav/]

graph LR
  load-->|y|residual[y - x]
  load[/Load wav/] -->|y|harmonic[harmonic]
  harmonic-->|y|write_0[/Write wav/]

  harmonic -->|y|add[y + x]
  load -->|y|perc[percussive]
  perc -->|x|add[y + x]
  add --> |x|residual
  residual -->|y|write_2[/Write wav/]
  perc-->|y|write_1[/Write wav/]

graph LR
load-->|y|add_raw2[y + x]
  load-->|y|residual[y - x]
  load -->|y|perc[percussive]
  load[/Load wav/] -->|y|harmonic[harmonic]
  load-->|y|add_raw[y + x]
  griffinlim_1-->|x|add_raw2
  add_raw-->merger[Channel merger]
  add_raw2-->merger[Channel merger]
  griffinlim_2-->|x|add_raw
  harmonic -->|x|add[y + x]
  harmonic-->|y|stft_2[stft]
  stft_2-->|S|zeros_hp2[Zero > fmin]
  perc -->|y|add[y + x]
  add --> |x|residual
  residual -->|y|stft_1[stft]
  zeros_hp-->|S|griffinlim_1[griffinlim]
  zeros_hp2-->|S|griffinlim_2[griffinlim]
  stft_1-->|S|zeros_hp[Zero > fmin]
  merger-->|y|write[Write wav]