[PD] raw audio format and open files randomly

Martin Peach martin.peach at sympatico.ca
Sun Jul 5 18:46:31 CEST 2009

nick burge wrote:
>  Hello list.....Intrigued by the idea of playing back jpeg (or other) files
> as audio signals I've been having a go with the readsf~ and soundfiler
> objects....skipping the header with readsf~ and using the -raw flag in
> soundfiler, opening in an array and using tabplay~ to play it back....whilst
> I can get these objects to open the files and play them back, the results
> seem a bit disappointing...just a lot of white noise at a constant volume.
> The wave forms displayed in the array look more promising than the audio
> result
> Was I expecting too much? What else could I be doing to achieve a more
> interesting sound?

Jpegs are usually compressed and compressed data looks like white noise. 
Maybe try uncompressed images with regular patterns in them, or low-pass 
filter the sound.


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