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torchaudio.functional.deemph_biquad

torchaudio.functional.deemph_biquad(waveform: Tensor, sample_rate: int) Tensor[source]

Apply ISO 908 CD de-emphasis (shelving) IIR filter. Similar to SoX implementation.

This feature supports the following devices: CPU, CUDA This API supports the following properties: Autograd, TorchScript
Parameters:
  • waveform (Tensor) – audio waveform of dimension of (…, time)

  • sample_rate (int) – sampling rate of the waveform, Allowed sample rate 44100 or 48000

Returns:

Waveform of dimension of (…, time)

Return type:

Tensor

Reference:

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