espnet2.fileio.sound_scp.SoundScpWriter

source

class espnet2.fileio.sound_scp.SoundScpWriter(outdir: Path | str, scpfile: Path | str, format='wav', multi_columns: bool = False, output_name_format: str = '{key}.{audio_format}', output_name_format_multi_columns: str = '{key}-CH{channel}.{audio_format}', subtype: str | None = None)

Bases: object

Writer class for ‘wav.scp’

• Parameters:
  • outdir
  • scpfile
  • format – The output audio format
  • multi_columns – Save multi channel data as multiple monaural audio files
  • output_name_format – The naming formam of generated audio files
  • output_name_format_multi_columns – The naming formam of generated audio files when multi_columns is given
  • dtype
  • subtype

Examples

>>> writer = SoundScpWriter('./data/', './data/wav.scp')
>>> writer['aa'] = 16000, numpy_array
>>> writer['bb'] = 16000, numpy_array

aa ./data/aa.wav bb ./data/bb.wav

>>> writer = SoundScpWriter(
    './data/', './data/feat.scp', multi_columns=True,
)
>>> numpy_array.shape
(100, 2)
>>> writer['aa'] = 16000, numpy_array

aa ./data/aa-CH0.wav ./data/aa-CH1.wav

close()

get_path(key)