>in ALSA >= 1.0.0 Front, Surround, Center, LFE volume controls only
>upmixing (mirroring).
>if you set surround, center to 0) you dissable mirroring to surround
>and center. LFE is (L + R) / 2. If you need downpass filter for LFE
>from L, R channels, then you must change DSP program in driver.
>If you want mono to Center + LFE then define new device(or change
>front device) in .asoundrc (look
>at /usr/share/alsa/conf/card/Audigy2.conf for example rear device and
>set routing only to center, lfe fxbus for mono sound and Left, Right,
>lfe for stereo sound - and use PCM Center, LFE Volume and PCM Left,
>PCM Right), or change emu10k1 driver to your needs. (or use ld10k1 to
>set your own routing).

Ah, ok. So I have to edit asoundrc (or aosund.conf), for setting things like
this, right?


>PS: For me windows mixer always do upmixing to 5.1.
It doesn't on my Audigy 2 card, unless I don't set it from the external
modules or a program, or EAX controls, etc....


Marco Iannaccone
[EMAIL PROTECTED]




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