Re: [microsound] photosynthesis -

[Michal Seta <mis@xxxxxxxxxxxx>]

thanks for these tips!
will try it.

../MiS

On Thu, 16 May 2002 11:00:13 -0700
Jeremy Avnet <mlist-microsound@xxxxxxxxxx> wrote:

> * Michal Seta (mis@xxxxxxxxxxxx) said:
> > Also, for those who are on linux.  One way I was able to get raw data into GIMP was to start one process:
> > cat file.xxx > /dev/dsp
> > and start a reverse:
> > 
> > cat /dev/dsp > myfile.raw
> > 
> > then run rawtoppm, ppmtotga and GIMP.  Mess with the file, save and cat > /dev/dsp again.
> 
> I used 'sox' to convert a .wav to .raw and then found a plugin for GIMP
> that will load RAW files:
> 
>     http://www.ne.jp/asahi/linux/timecop/loader.html
> 
> I found that using 'sox' to make the raw files use 32-bit unsigned
> samples and loading the raw files as RGBA gave me the best image to work
> with. Unsigned data lets brightness correspond with loudness and using
> 32-bit samples keeps audio data from cycling through the color channels.
> I thought I would get the best results going this route.
> 
> Also, a hint for the RAW plugin. Set the image size to its maximum
> (4096x4096) and it will load as much as it can (up to 4096x4096x32bits
> of data -- which isn't very much; 190s of sound at 44.1).
> 
> -- jeremy avnet / brainsik .:.
> 
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-- 
../MiS

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