mel_filter_bank
- ketos.audio.utils.misc.mel_filter_bank(num_fft, rate, num_filters)[source]
Compute Mel-scale filter bank
- Args:
- num_fft: int
Number of points used for the FFT.
- rate: float
Sampling rate in Hz.
- num_filters: int
The number of filters in the filter bank.
- Returns:
- fbank: numpy.array
Mel filter bank, has shape (num_filters, int(np.floor(num_fft / 2 + 1))