ValueError – If index >= nchannels() resample ( sample_rate, backend = 'sox' ) ¶ Mono ( Audio) – The extracted single-channel data Raises Index ( int) – The audio channel to extract from the original signal Returns ValueError – If the file already exists or is unreachable channel ( index ) ¶īuilds a mono signal from a multi-channel one Parameters Saves the audio data to a filename Parametersįilename ( str) – The audio file to create, format is guessed from extension Raises ValueError – If the filename is not a valid audio file. classmethod load ( filename ) ¶Ĭreates an Audio instance from a WAV file Parametersįilename ( str) – Path to the audio file to load, must be an existing file ReturnsĪudio ( Audio) – The Audio instance initialized from the filename Raises ValueError – If the filename is not a valid audio file that ffmpeg can

Metadata ( namespace) – A namespace with fields as described above Raises Parametersįilename ( str) – Audio filename on which to retrieve metadata, must be Loading it into memory, far more faster than load(). This method is usefull to access metadata of an audio file without Metadata.duration : float, audio duration in seconds Metadata.nsamples : int, number of audio samples in the file Metadata.sample_rate : int, sample frequency in Hz Metadata.nchannels : int, number of channels Returns a Python namespace (a named tuple) metadata with the Returns the audio metadata without loading the file The number of bits per sample classmethod scan ( filename ) ¶ The numeric type of samples property precision ¶ Return the shape of the underlying data property dtype ¶ The number of samples in the signal property shape ¶ The number of audio channels in the signal property nsamples ¶ The duration of the signal in seconds property nchannels ¶ The sample frequency of the signal in Hertz property duration ¶ The numpy array of audio data property sample_rate ¶ ValueError – If validate is True and the audio data if not valid (see

When True, make sure the underlying data is valid (see The sample frequency of the data, in Hertz Type The waveform audio signal, must be of one of the supported

Audio ( data, sample_rate, validate = True ) ¶Ĭreate an audio signal with the given data and sample_rate data ¶

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