Filters and windows

librosa.filters provides functionality for filter bank construction, window function processing, and related utilities.

mel	Create a Mel filter-bank.
chroma	Create a chroma filter bank.
wavelet	Construct a wavelet basis using windowed complex sinusoids.
semitone_filterbank	Construct a multi-rate IIR band-pass filter bank at specified center frequencies and sample rates.
window_bandwidth	Get the equivalent noise bandwidth (ENBW) of a window function.
get_window	Compute a window function.
wavelet_lengths	Return length of each filter in a wavelet basis.
cq_to_chroma	Construct a linear transformation matrix to map Constant-Q bins onto chroma bins.
mr_frequencies	Generate center frequencies and sample rate pairs.
window_sumsquare	Compute the sum-square envelope of a window function at a given hop length.
diagonal_filter	Build a two-dimensional diagonal filter.