53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
class AudioMetaData:
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"""AudioMetaData()
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Return type of ``torchaudio.info`` function.
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:ivar int sample_rate: Sample rate
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:ivar int num_frames: The number of frames
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:ivar int num_channels: The number of channels
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:ivar int bits_per_sample: The number of bits per sample. This is 0 for lossy formats,
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or when it cannot be accurately inferred.
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:ivar str encoding: Audio encoding
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The values encoding can take are one of the following:
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* ``PCM_S``: Signed integer linear PCM
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* ``PCM_U``: Unsigned integer linear PCM
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* ``PCM_F``: Floating point linear PCM
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* ``FLAC``: Flac, Free Lossless Audio Codec
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* ``ULAW``: Mu-law
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* ``ALAW``: A-law
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* ``MP3`` : MP3, MPEG-1 Audio Layer III
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* ``VORBIS``: OGG Vorbis
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* ``AMR_WB``: Adaptive Multi-Rate Wideband
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* ``AMR_NB``: Adaptive Multi-Rate Narrowband
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* ``OPUS``: Opus
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* ``HTK``: Single channel 16-bit PCM
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* ``UNKNOWN`` : None of above
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"""
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def __init__(
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self,
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sample_rate: int,
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num_frames: int,
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num_channels: int,
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bits_per_sample: int,
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encoding: str,
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):
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self.sample_rate = sample_rate
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self.num_frames = num_frames
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self.num_channels = num_channels
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self.bits_per_sample = bits_per_sample
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self.encoding = encoding
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def __str__(self):
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return (
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f"AudioMetaData("
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f"sample_rate={self.sample_rate}, "
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f"num_frames={self.num_frames}, "
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f"num_channels={self.num_channels}, "
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f"bits_per_sample={self.bits_per_sample}, "
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f"encoding={self.encoding}"
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f")"
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)
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