[PD] multiple tracks

berio berio at alg-a.org
Sat Sep 1 22:33:41 CEST 2007


Hi Roman

Thanks, I will try with [readsf~]

best

berio

Roman Haefeli escribió:
> hi berio
>
> assuming you are talking about audio tracks, it depends on what you are
> planning to do.
>
> if you want to play several tracks synchronously, i'd create one big
> multitrack wavefile, that is played by one [readsf~
> <numbner_of_tracks>]. this has two advantages: 
> - it doesn't require that much patching
> - it won't access your harddisk randomly in order to read several files
> synchronously, but it will read all tracks in go (this  might increase
> your maximum bandwidth)
>
> if all tracks are quite short, you might want to load them into tables
> first. reading from tables has the advantage, that you are reading from
> RAM, which is very fast (as long as it is really read from RAM and not
> from swapfs). beware that you might need more ram than the sum of the
> filesizes of your wavefiles (in pd everything is stored as 32bit-floats,
> no matter what the source format of your file is). 
>
> if you want to play huge files (>2min) asynchronously, then you might
> have to use a [readsf~] for each track. i never tested it myself, but i
> am not quite sure, if it is possible to play 50 streams from the disk at
> the same time without clicks, but check it out. it might work.
>
> cheers
> roman
>
>
> On Sat, 2007-09-01 at 12:39 -0400, berio wrote:
>   
>> Hello everybody!
>>
>> I am working on a project where I have to use a lot of tracks at the 
>> same time. I use around 50 tracks, and I would like to know if there are 
>> some simple patch (like a multiple tracks or something similar) to take 
>> a look.
>>
>> Thanks a lot!
>>
>> berio
>>
>>
>>
>> _______________________________________________
>> PD-list at iem.at mailing list
>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>>     
>
>
> 	
> 		
> ___________________________________________________________ 
> Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: http://mail.yahoo.de
>   





More information about the Pd-list mailing list