[PD] reading a 4-channel aif

[Michael Zacherl.]

Hi, Thomas!

> is the file broken or ok? You can try to play the file with e.g.
> Quicktime player (which should play the first two channels) to check
> if it's ok.

the files are ok, play fine in QT (the first two channels, as you say)

> If yes and it is a 24-bits AIFF file, Pd might have problems to read
> it - you would probably have to convert to WAV or dither down to 16
> bits.

argh!  
Again I stumbled upon this!
Now there's the tricky part, because even QT-Pro does just two channels.
I'll find a way.
Thanks for remembering!

;-) Michael.


> 2011/7/17 Michael Zacherl. <sdiy-mz01 at blauwurf.info>:
>> Hello,
>> 
>>   for recording four channels I used [open -bytes 3 filename] fed into [writesf~ 4] in an earlier session.
>> 
>> Now I need to split this interleaved sound file up into four mono-files for importing them elsewhere.
>> I tried [open filename] -- [readsf~ 4] but just get digital noise.
>> Since relying on its detection capabilities doesn't seem to work I tried to specify the  parameters, starting with  [open filename 0 200 4 3 b] .
>> 
>> It changes the noise but doesn't deliver the proper audio stream.
>> Admittedly I'm not sure about the header size
>> How could I get this to work?
>> 
>> many thanks,  Michael.



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