On Wednesday 01 February 2006 04:57, Ionic wrote:
>Hi folks,
>
>this is my first attemp and question to a mailing list, so please be
>patient with me. :)
>
>Now to the problem:
>
>
>I have a SoundBlaster Live! 24-Bit (7.1) with the ca0106 chip.
Do yourself a favor and take it back and get an audigy 2. The SBlive 24
bit card is a bit like a winmodem in that it offloads a huge amount of
the work that should be done in hardware, to software running on the
host box. And to exploit it, it really needs windows since there
aren't any linux drivers that can do that yet, if ever, since I'm told
creative isn't sharing driver specs with us.
I did return mine to CC and got the audigy 2 instead fromn the Staples
guys across the street, and had to update my alsa to the current rc
version, but its working very nicely with a minimum of hassle other
than finding a mixer that works with it, since I'm a kde fan, kamix was
the answer.
And, even doing midi synth, cpu loading is very very low. Load a sound
font, and there is one of the cd that comes with the audigy 2, and feed
it a midi file with kmid, instant music.
>Since
>this damned chip does not support hardwaremixing I'm forced to use
> DMIX. Yesterday I found the "ch51dup" route, a stereo upmix to
> "surround51". It's working fine, at least with Beep-Media-Player.
> (MPlayer and XMMS seem to have some problems with it, anyways, I
> didn't test that much.)
>
>First problem: since CH51DUP doesn't go through DMIX it's blocking my
>soundcard, this is not really that, what I wanted.
>Second problem: DMIX can only be connected to the sound card. (Crappy
>though, since I simply could route DMIX through CH51DUP and solve this
>problem, since CH51DUP ends up in the generic device "surround51" and
>therefore in the sound card, but well...)
>Third problem: taking CH51DUP as default device and then forwarding to
>DMIX won't work, too.
>
>So, as you see, I do not have any clue how to solve it. I hope
> somebody can help me solving this issue.
>
>Ok, and here's my .asoundrc:
>.---------------------------------------------------------------------
>----------------------------------------------------------------------
>----------------------------------------------------------
>
>|# Die Soundkarte wird festgelegt.
>|pcm.snd_card {
>| type hw
>| card 0
>|}
>|
>|# Das dmix-Plugin wird definiert.
>|pcm.dmixer {
>| type dmix
>| ipc_key 1024
>| ipc_perm 0666 # Andere Benutzer können ebenfalls dmix
>
>gleichzeitig nutzen ( geil! :) )
>
>| slave.pcm "snd_card"
>| slave.channels 6
>| slave {
>| # buffer_size kann bei Problemen der jeweiligen Karte
>| angepasst
>
>werden.
>
>| #channels 6
>| period_time 0
>| period_size 1024
>| buffer_size 32768
>| # bei Störungen kann die Konvertierung auf die Rate 44100
>
>eingeschaltet werden.
>
>| # rate 44100
>| }
>| bindings {
>| 0 0
>| 1 1
>| }
>|}
>|
>|# Dies definiert unser dmix-Plugin als Standard für alle
>| ALSA-Programme. pcm.!default {
>| type plug
>| slave.pcm "dmixer"
>| #route_policy ch51dup
>| #slave.channels 6
>|}
>|
>|########
>|# AOSS #
>|########
>|
>|# DSP wird simuliert und benutzt das dmix-Plugin.
>|pcm.dsp "dmixer"
>|pcm.dsp1 "dmixer"
>|
>|# OSS-Steuerung für dsp0 (falls es benötigt wird...)
>|ctl.dsp {
>| type plug
>| slave.pcm "snd_card"
>|}
>|
>|# OSS-Steuerung für dsp0 (falls es benötigt wird...)
>|ctl.mixer {
>| type plug
>| slave.pcm "snd_card"
>|}
>|
>|pcm.ch51dup {
>| type route
>| slave.pcm "surround51"
>| slave {
>| buffer_size 32768
>| }
>| slave.channels 6
>| ttable.0.0 1
>| ttable.1.1 1
>| ttable.0.2 1
>| ttable.1.3 1
>| ttable.0.4 0.5
>| ttable.1.4 0.5
>| ttable.0.5 0.5
>| ttable.1.5 0.5
>|}
>|
>|#pcm.surround51 {
>|# type route
>|# slave.pcm "snd_card"
>| #slave.channels 6
>|#}
>
>*---------------------------------------------------------------------
>----------------------------------------------------------------------
>----------------------------------------------------------
>
>
>-------------------------------------------------------
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--
Cheers, Gene
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