Subject: Re: [linux-audio-dev] Prony algorithm?
From: Niklas Werner (bergtroll_AT_gmx.li)
Date: Mon Jul 05 2004 - 01:35:05 EEST
Albert Graef sagte:
> Alternatively, is there any other spectrum estimation method which gives
>
a reasonably good approximation of the main partials of a
> (pseudo-)periodic signal (FFT is too bad in the lower frequencies)? Does
You might want to have a closer look at linear prediction (LPC). It is
very good at displaying only the main peaks and does not suffer from a
coarse resolution at lower frequencies, because you basically get a
continuous filter back)
You can play around with comparing LPC and FFT results at different
settings by using my software :-) http://sonasound.sf.net/
Have fun*
Niklas
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