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sound problems on apple emac
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lazeros
n00b
n00b


Joined: 17 Sep 2005
Posts: 14

PostPosted: Sun Oct 16, 2005 1:12 pm    Post subject: sound problems on apple emac Reply with quote

good day to all of you...

i use gentoo on my emac 1.25GHZ for quite a while now and most things works great (thanks to the response i got on this forum :wink: )
the only thing that still remains is the sound, i got no sound at all...
i used avery tip found in this forum for no avail,
i have alsa built into my kernel just like the faq mantioned including the i2c support (i prefer to build alsa to the kernel for reasons byond the scope of this thread,but i get no sound even in when i build alsa as a module).
alsa mixer is detecting my sound card (powermac snapper) and i CAN change the mixer settings.
bringing the "monitor mix" value to full in the mixer create "static noise" from the speakers but thats it.
the mixer device can also be found in the /dev filesystem...
my kernel is built from the gentoo sources version 2.6.13-r3.

any idia?
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VanDan
Guru
Guru


Joined: 30 Sep 2002
Posts: 586
Location: Australia

PostPosted: Tue Oct 25, 2005 10:58 am    Post subject: Reply with quote

Make sure you've got 'DRC' muted in alsamixer. I also have to sometimes flick the 'Auto Mute' on and off and then re-mute the 'DRC' thing to get sound working. And sometimes I have to stop the alsasound service, rmmod snd-powermac, modprobe snd-powermac, and then restart the alsasound service.

However ... I'm also getting white noise from most apps. In fact, mplayer is currently the only app that seems to be able to play anything other than white noise. It bites.
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fb
l33t
l33t


Joined: 08 Dec 2003
Posts: 636
Location: New Zealand

PostPosted: Tue Oct 25, 2005 8:54 pm    Post subject: Reply with quote

Strange VanDan. May be it is a hardware difference, I have an iMac G4.
I have DRC range enabled and set to 100%, that's the only way that I
(and quite a number of people in this forum) can get rid of the white
noise problem.
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