Multiples used to determine the hidden sizes of the hidden layers.
decoder_channels (`int`, *optional*, defaults to 128):
Intermediate representation dimension for the decoder.
decoder_input_channels (`int`, *optional*, defaults to 64):
Input dimension for the decoder. Corresponds to the latent dimension.
audio_channels (`int`, *optional*, defaults to 2):
Number of channels in the audio data. Either 1 for mono or 2 for stereo.
sampling_rate (`int`, *optional*, defaults to 44100):