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librosa.set_fftlib

librosa.set_fftlib(lib=None)

Set the FFT library used by librosa.

Parameters

libNone or module

Must implement an interface compatible with numpy.fft. If None, reverts to numpy.fft.

Examples

Use pyfftw:

>>> import pyfftw
>>> librosa.set_fftlib(pyfftw.interfaces.numpy_fft)

Reset to default numpy implementation

>>> librosa.set_fftlib()