audible graphs and sound synthesis on linux

Willem van der Walt wvdwalt at
Thu Jul 26 07:23:32 UTC 2007

Just have a look at mathtracks if you hav'nt done so already.
Do not have an url ready, but can look for it if you need it.  Sounds like 
the same kind of thing, but i like your way of approaching the problem 
Regards, Willem

On Wed, 25 Jul 2007, Peter Rayner wrote:

> I'm contemplating rescuing some very old work I did on a NextStation
> for audiolisation of simple line graphs.  Very simple idea, time to
> represent the abscissa and frequency (probably note value from
> experience) the ordinate.  Different left-right position would enable
> several lines and there's always the possibility of modulation for
> mimicking line styles.   I'd like this to run on Linux, be pretty
> broadly available and fairly easy to interface to programs that
> produce such data, such as R, gdl and the numerous python data
> analysis packages.  
> Two questions:
> 1) Am I reinventing the wheel?
> -- 2) Does anyone have a recommendation on sound synthesis?  Last time
> I used the MusicKit which, afaik, has been ported but it's a pretty
> big hammer for basic monotone synthesis and possible modulation.  Does
> anyone have another suggestion for a package that
> a) works with ALSA
> b) Does what I need and
> c) Doesn't impose a big instalation burden on users.
> I will, of course, make the resulting code (if I finish) freely
> available.
> thanks in advance
> Peter
> Peter Rayner: LSCE/IPSL, Laboratoire CEA-CNRS-UVSQ
> address: Bat. 701 LSCE - CEA de Saclay
> Orme des Merisiers, 91191 Gif/Yvette
> work: +33  (1) 69 08 88 11;	mobile: +33 (6) 75 46 56 52;	 fax: +33 (1) 69 08 77 16
> mail-to: peter.rayner at
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