Jim wrote:
> I beleive that many modern cards have multiple hardware channels (err 
> not channels' that's like stereo... uhmm streams?) ?

You are correct.

>  I've been browsing 
> through the documentation, examples, faq's etc, and have found no 
> refernence to such things... So was wondering, does ALSA support 
> multiple opens to get multiple hardware (...) to allow the hardware 
> itself to mix?  Is this even a thing?  and if not - then what's it mean 
> when a sound card has 256 channels?  (64 3D) ...
>  

It's called hardware mixing and there is not much info availabel about 
it. There are a few cards/devices with ALSA drivers theat have support 
for hardware mixing. There are a few that have the capability but no 
support because the manufacturers  refuse to probvide the necessary 
specifications.

> And if it IS supported - any chance that on the driver page a field 
> could be added that's 'simultaneous opens?'
>  

Maybe not a field but a note. Lets call it [G] :)

> Jim
>  
> Maybe I'm asking something that's meaning something other than what I do 
> mean :)



-- 
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
Http://www.boosthardware.com/LAU/guide/
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