shun60s / chebyshev-expansion

A trial numpy chebyshev polynomials expansion to a fragment of music signal. A trial ARMA Spectral density power estimation.

Chebyshev polynomials expansion

A trial numpy chebyshev polynomials expansion to fragment of music signal.
A trial ARMA Spectral density power estimation.

github repository

contents

• ola_convolve.py overlap-add convolve with impulse response waveform
• chebyshev_expansion.py a trial numpy chebyshev polynomials expansion to the signal after apply impulse response
• ARMA_Spectral_density.py a trial ARMA Spectral density power estimation. comparison with other ways.

Comparsion ARMA with other ways

Following figure is ARMA Spectral density power estimation and other ways.