[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/772738
Title:
PA 5.1 surround vibrate(oscilate, vary)
Status in alsa-driver package in Ubuntu:
Expired
Bug description:
Binary package hint: pulseaudio
Hi,
I have problems with PA few years. I understand that my onboard soundcard is
culprit (Multimedia audio controller: nVidia Corporation CK804 AC'97 Audio
Controller (rev a2)). But it's not my fault, right?
Last three years, surround was very problematic for me, but this very last
problem is still present.
Everything works when I use stereo (2 channels). But switching to surround
(5.1) sound from few channels begins to "vibrate" (or "oscilate"... I am not
sure for appropriate word in English). I found this problem on the net, but
complaining users used expression "stutter" which is no this case (stuttering
means repeating the same thing on and on). My sound (from right front and rear)
vibrates: I hear sound stops and goes two times per single second. It
fluctuates (varies). If sound was light, I would use term flicker, but not sure
how to describe the fact when sound is on and off all the time.
I have tried to apply some "stuttering fixes" in daemon.conf and default.pa
files... but after restarting PA none have worked (like high-priority,
nice-level, realtime-scheduling, realtime-priority, enable-remixing...). Maybe
I set wrong values.
One year back I somewhere used tsched=0 (?) directive and I remember, that
this problem has disappeared, but PA eats massively my CPU, so I had to switch
it back (since I was not able to watch HD movies).
This complaint is like duplicate of part 2 of my bug 482709 -> you can
discard bug 482709 since other parts works for me.
I have (always) latest ubuntu (PA from Ubuntu's repositories) - 11.04
PA 0.9.22+stable-queue-24-g67d18-0ubuntu3
Guys, please help me here and make this years lasting problem
disappear forever. Thank you very much.
Cyril
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