Bo-Yu Chen ChenPaulYu
yoyololicon
/ differentiable_lfilter.py
Last active
August 25, 2022 12:59
This lfilter can propogate gradient to filter coefficients.
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| import torch | |
| import torch.nn as nn | |
| import torch.nn.functional as F | |
| from torchaudio.functional import lfilter as torch_lfilter | |
| from torch.autograd import Function, gradcheck | |
| class lfilter(Function): | |
| @staticmethod |