dfs#
- diffsptk.IIR#
alias of
InfiniteImpulseResponseDigitalFilter
- class diffsptk.InfiniteImpulseResponseDigitalFilter(b=None, a=None, ir_length=None, learnable=False)[source]#
See this page for details.
- Parameters:
- bList [shape=(M+1,)] or None
Numerator coefficients.
- aList [shape=(N+1,)] or None
Denominator coefficients.
- ir_lengthint >= 1
Length of impulse response.
- learnablebool
If True, the filter coefficients are learnable.
- diffsptk.functional.dfs(x, b=None, a=None)[source]#
Apply an IIR digital filter.
- Parameters:
- xTensor [shape=(…, T)]
Input waveform.
- bTensor [shape=(M+1,)] or None
Numerator coefficients.
- aTensor [shape=(N+1,)] or None
Denominator coefficients.
- Returns:
- outTensor [shape=(…, T)]
Filtered waveform.
See also