Well, all I have seen of wavelet analysis has not impressed me much.
I don't know much about gaboret, though.

Regards

Victor
----- Original Message ----- 
From: "Oeyvind Brandtsegg" 
To: "Developer discussions" 
Sent: Tuesday, May 20, 2008 10:50 PM
Subject: [Cs-dev] pvs related, gaboret and or wavelet analysis/resynthesis


> Is there any chance we could see wavelet or gaboret
> analysis/resynthesis in Csound, in addition to the excellent pvs FFT
> tools ?
> 
> best
> Oeyvind
> 
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We used wavelets for fundamental pitch detection to good effect, but
so far have not good results for more general musical use.  What do
you (Oeyvind) have in mind?  The true answer is that there is always a
chance, but it needs to fit priorities.
==John ffitch

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I would like to look at this a little bit more. I was at the DAFx04 and thought
that paper was very interesting.  But I will need to learn more about
it.

Victor

At 10:04 21/05/2008, you wrote:
>I realize I should have been more precise (if I can),
>as the term gaboret seems to be used for several different things.
>
>I was thinking of a multiresolution analysis/resynthesis technique,
>with an arbitrary waveform as the "atom" (as the sine wave is for FT).
>There is some description of this in the Microscound book, and Victor
>recently mentioned that it seems they are researching this at CREATE,
>and I also got an article from Andreas Bergsland
>  [Kling&Roads(2004) "Audio analysis, visualization, and transformation
>with the matching pursuit algorithm" Proceedings of Dafx'04].
>
>I do admit to having limited mathematical knowledge of how these
>different transforms actually work in detail. From what I've read, it
>seems that there are alternatives to FFT that could give even better
>results and open up for new kinds of processing .
>As a start, I wanted to hear your opinions on the subject, as I figure
>you would know better than me what's possible and how hard it is to
>do.
>
>best
>Oeyvind
>
>2008/5/21, jpff :
> > We used wavelets for fundamental pitch detection to good effect, but
> > so far have not good results for more general musical use.  What do
> > you (Oeyvind) have in mind?  The true answer is that there is always a
> > chance, but it needs to fit priorities.
> > ==John ffitch
> >
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Victor Lazzarini
Music Technology Laboratory
Music Department
National University of Ireland, Maynooth


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