[CM] multichannel files with up to 36 channels interleaved

[Ludger Bruemmer]

Thanks Bill - that was the solution. It worked quite well with the snd  
format.

Just in case you would like to poke around with our easy to use N- 
Channel N-Speaker Vektor-based-panning Sound-Dome software, running on  
OSX, its public domain and open source soon:
http://www.zkm.de/zirkonium

Ludger



Prof. Ludger Brümmer

Leitung Institut für Musik und Akustik
Head of Institute for Music and Acoustics

/////// |< |||| ZKM|Zentrum für Kunst und Medientechnologie
/////// |< |||| Center for Art and Media
/////// |< |||| Centre d'Art et de Technologie des Medias

Lorenzstrasse 19 . D - 76135 Karlsruhe
P.O. Box 6909 . D - 76049 Karlsruhe

Phone +49 721 8100-1600 Fax +49 721 8100-1699
email: lb at zkm.de  http://www.zkm.de/musik  http://www.sumtone.com/lb



Am 06.07.2008 um 20:53 schrieb Bill Schottstaedt:

> Are you writing aifc files?  If I remember correctly, they have a 32  
> bit limit
> on the data size, which sounds like 8 minutes at 44100 36 chans --
> (/ (expt 2 32) (* 44100 60 36 4)) is about 10?
>
> In "snd" (i.e. NeXT) files, the file size field should be ignored if  
> it is
> wrong, and in "riff" (wav) files, Snd should automatically move to
> using the new extended format -- I forget the acronym.  Apple
> introduced the "caf" format partly to get around the aifc limitation.
>
> In any case, 36 chans at 44Khz for say 36 minutes looks like
> 13 GBytes -- I just wrote such a file, but now I'm muttering about
> Snd which is taking forever to display it.
>
>
>
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