FFT and Audio

FFT

Matft	Numpy	Method	Complex
`Matft.fft.rfft`	`numpy.fft.rfft`
`Matft.fft.irfft`	`numpy.fft.irfft`

See Audio Features for the usage.

Matft	Python	Method	Complex
`Matft.audio.get_window`	`scipy.signal.get_window`
`Matft.audio.frame`	`librosa.util.frame`
`Matft.audio.stft`	`librosa.stft`
`Matft.audio.mel_filters`	`librosa.filters.mel`
`Matft.audio.melspectrogram`	`librosa.feature.melspectrogram`
`Matft.audio.power_to_db`	`librosa.power_to_db`
`Matft.audio.pad_or_trim`	`whisper.audio.pad_or_trim`
`Matft.audio.whisper_log_mel`	`whisper.audio.log_mel_spectrogram`