aac_datasets.utils.typing module

class AudioMetaData[source]

Bases: object

Return type of torchaudio.info function.

Variables:

  • sample_rate (int) – Sample rate

  • num_frames (int) – The number of frames

  • num_channels (int) – The number of channels

  • bits_per_sample (int) – The number of bits per sample. This is 0 for lossy formats, or when it cannot be accurately inferred.

  • encoding (str) –

    Audio encoding The values encoding can take are one of the following:

    • PCM_S: Signed integer linear PCM

    • PCM_U: Unsigned integer linear PCM

    • PCM_F: Floating point linear PCM

    • FLAC: Flac, Free Lossless Audio Codec

    • ULAW: Mu-law

    • ALAW: A-law

    • MP3 : MP3, MPEG-1 Audio Layer III

    • VORBIS: OGG Vorbis

    • AMR_WB: Adaptive Multi-Rate Wideband

    • AMR_NB: Adaptive Multi-Rate Narrowband

    • OPUS: Opus

    • HTK: Single channel 16-bit PCM

    • UNKNOWN : None of above