Signal

Signal processing utilities that make complete sense

butterworth

 butterworth (waveform_array, freq_range, btype, fs=125, order=2)

	Type	Default	Details
waveform_array
freq_range
btype
fs	int	125
order	int	2	Recommend playing around with the order as well

source

stft

 stft (signal_array, n_fft=256, win_length=250, pad_mode='reflect',
       pad_win_length_to_nfft=True, center=False, hop_length=125,
       normalized=True, decibel_scale=False, return_complex=True,
       onesided=True, channel_stft_means=None, channel_stft_stds=None)

in: [bs x n_vars x max_seq_len] out: [bs x n_vars x n_fft // 2 + 1 x stft_len]

	Type	Default	Details
signal_array
n_fft	int	256	number of ffts to perform
win_length	int	250	window of ffts
pad_mode	str	reflect
pad_win_length_to_nfft	bool	True	indicator to pad the end of the sequence with 0s for nfft-win_legnth to ensuure correct size output
center	bool	False
hop_length	int	125
normalized	bool	True
decibel_scale	bool	False
return_complex	bool	True
onesided	bool	True
channel_stft_means	NoneType	None	precalculated stft channel means
channel_stft_stds	NoneType	None	precalculated stft channel stds