functional_deemph_biquad: ISO 908 CD De-emphasis IIR Filter (functional)
Description
Apply ISO 908 CD de-emphasis (shelving) IIR filter. Similar to SoX implementation.
Usage
functional_deemph_biquad(waveform, sample_rate)
Value
Tensor: Waveform of dimension of (..., time)
Arguments
- waveform
(Tensor): audio waveform of dimension of (..., time)
- sample_rate
(int): sampling rate of the waveform, Allowed sample rate 44100
or 48000