At Thu, 10 Oct 2002 16:20:31 +0200,
Helmut Obertanner wrote:
>
> How can i tell my soundcard to play 1 stereochannel on Frontspeakers
> and another stereochannel on rearspeakers ??
what sound card? i cannot tell you otherwise ;)
> I can set my soundcard to 4 channelmode -> o.k.
> I write samples in the following order to the soundbuffer:
>
> LF,RF,LR,RR
>
> but i get L-FRONT and R-FRONT on rear output too, and LR and RR are lost in
> space.
> how could i solve this ?
this depends on the card, but in general, you can choose the route via
the pcm name. for example, on sb live, you can play two stereo-wav
files separately to front and rear speakers like:
% aplay -Dfront foo.wav
% aplay -Drear bar.wav
but the chip can mix up the different streams, so the rear signals may
be contaminated from front on a certain mixer set up.
Takashi
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