sound issues

Gene Heskett gene.heskett at verizon.net
Mon Feb 26 05:03:41 UTC 2007


On Sunday 25 February 2007, Howard Coles Jr. wrote:
>On Sunday 25 February 2007 08:18:10 pm Gene Heskett wrote:
>> On Sunday 25 February 2007, Howard Coles Jr. wrote:
>> >On Sunday 25 February 2007 07:43:04 pm eric wrote:
>> >> ok, here is the response I get:
>> >>
>> >> snd_emu10k1_synth       8960  0
>> >> snd_emux_synth         39296  1 snd_emu10k1_synth
>> >> snd_seq_virmidi         8576  1 snd_emux_synth
>> >> snd_seq_midi_emul       8192  1 snd_emux_synth
>> >> snd_seq_dummy           4996  0
>> >> snd_seq_oss            36480  0
>> >> snd_seq_midi            9984  0
>> >> snd_seq_midi_event      8960  3
>> >> snd_seq_virmidi,snd_seq_oss,snd_seq_midi snd_seq              
>> >>  59120 9
>> >> snd_emux_synth,snd_seq_virmidi,snd_seq_midi_emul,snd_seq_dummy,snd_
>> >>seq _oss, snd_seq_midi,snd_seq_midi_event snd_emu10k1          
>> >> 128288  2 snd_emu10k1_synth
>> >> snd_rawmidi            27264  3
>> >> snd_seq_virmidi,snd_seq_midi,snd_emu10k1 snd_seq_device        
>> >>  9868 8
>> >> snd_emu10k1_synth,snd_emux_synth,snd_seq_dummy,snd_seq_oss,snd_seq_
>> >>mid i,snd _seq,snd_emu10k1,snd_rawmidi snd_util_mem            6016
>> >>  2 snd_emux_synth,snd_emu10k1
>> >> snd_hwdep              10756  2 snd_emux_synth,snd_emu10k1
>> >> snd_intel8x0           34844  1
>> >> snd_ac97_codec         97696  2 snd_emu10k1,snd_intel8x0
>> >> snd_ac97_bus            3456  1 snd_ac97_codec
>> >> snd_pcm_oss            47360  0
>> >> snd_mixer_oss          19584  1 snd_pcm_oss
>> >> snd_pcm                84612  4
>> >> snd_emu10k1,snd_intel8x0,snd_ac97_codec,snd_pcm_oss
>> >> snd_timer              25348  3 snd_seq,snd_emu10k1,snd_pcm
>> >> snd                    58372  18
>> >> snd_emux_synth,snd_seq_virmidi,snd_seq_oss,snd_seq,snd_emu10k1,snd_
>> >>raw midi,
>> >> snd_seq_device,snd_hwdep,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,sn
>> >>d_m ixer_o ss,snd_pcm,snd_timer soundcore              11232  1 snd
>> >> snd_page_alloc         11400  3 snd_emu10k1,snd_intel8x0,snd_pcm
>> >>
>> >> I am not looking to disable the onboard sound, rather, I am looking
>> >> to be able to toggle between the two. I am currently ok with
>> >> onboard sound - my speakers on my LCD are working fine. I am unable
>> >> however to listen to my headphones which are connected to my
>> >> soundcard. I do see both options in KMix..
>> >>
>> >> Not sure where to go from here.
>> >>
>> >> Thanks much for the help so far.
>> >
>> >Ok, if you see the option for the SB Live (which is the snd_emu10k1
>> > module) select that as the master channel and work through kmix and
>> > turn up the volumes, and play with switches.
>> >
>> >I'm sorry I can't be much more help, I've never tried to run two
>> > soundcards at the same time.  From what I understand sound will come
>> > out of one OR the other, but not both.
>>
>> Sure it will Howard.  I use the motherboard sound chips for skype,
>> independant of the audigy 2 that does the rest of the noise making
>> duties around here, at the same time.
>
>Cool, how about setting up the list here with the "how to" so eric can
> get his setup working?  However, my line of thinking was along the
> lines of one app putting out the same sound to two cards.  Sorry I
> didn't clarify there.  I've run voice modems, and sound cards at the
> same time, but I didn't know you could run two sound cards.   That
> sounds interesting though.
>
I haven't run the same sound through two cards and don't know if its 
possible. OTOH, with computers, very little is impossible.

As far as my setup so skype uses the motherboard chip set, and the rest of 
the system uses the audigy 2 (emu10k1 driver), I believe the huge 
majority of the magic is probably in /etc/modprobe.conf:
==============
[...]
options snd cards_limit=8 
alias snd-card-0 snd-emu10k1
options snd-emu10k1 index=0 
alias snd-card-1 snd-intel8x0
options snd-intel8x0 index=1 
[...]
===============
and it all Just Works(TM), or was working the last time I checked, I 
haven't used skype in a few weeks now that I'm home again.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Yahoo.com and AOL/TW attorneys please note, additions to the above
message by Gene Heskett are:
Copyright 2007 by Maurice Eugene Heskett, all rights reserved.




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