[linux-audio-dev] Prony algorithm?

Erik de Castro Lopo erikd-lad at mega-nerd.com
Sun Jul 4 21:54:32 UTC 2004


On Sun, 04 Jul 2004 23:43:44 +0200
Dr.Graef at t-online.de (Albert Graef) wrote:

> 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)? 

This floated by a month or so back:

    http://ab-initio.mit.edu/harminv/

but I haven't had a chance to look at it yet.

> Does 
> anyone have any experience (or even code) with using wavelets for that 
> purpose?

I have messed with wavelets (dyadic and the discrete approximation of
continuous wavelets) and I always found that they never lived up to 
their reputation.

Erik
-- 
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  Erik de Castro Lopo  nospam at mega-nerd.com (Yes it's valid)
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"Hey, I've re-dorkulated." -- Prof. Frink (The Simpsons)



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