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fresherthanever n00b
Joined: 11 Nov 2013 Posts: 40 Location: Houston
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Posted: Sat Mar 22, 2014 9:29 pm Post subject: pulseaudio/alsa volume issues |
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Hello
I've recently found out that, after installing my system and being satisfied with it for weeks, that it will not play multiple sounds at once properly, especially while changing volume. When I play a youtube video (or any source of sound at all from Firefox), the sound from the video will be boosted to maximum and will become extremely scratchy and interfered. As I don't know where to start and have no idea how to operate Linux audio (I use both ALSA and PulseAudio globally), I don't know what data I should dump to diagnose this situation.
lspci -k
Code: | 00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA) (rev 40)
Subsystem: ASUSTeK Computer Inc. Device 8444
Kernel driver in use: snd_hda_intel |
Might this be related to .asoundrc (I have alsaequal installed)? I've tried a lot of configs and decided to just revert to none :/
Thanks! _________________ Specs: AMD FX-6100|ASUS M5A97 AM3+|XFX AMD Radeon HD 6870|1TB 7200RPM/500GB 7200RPM|8GB DDR3 1600MHz
Last edited by fresherthanever on Thu Mar 27, 2014 10:31 pm; edited 1 time in total |
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fresherthanever n00b
Joined: 11 Nov 2013 Posts: 40 Location: Houston
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Posted: Thu Mar 27, 2014 10:24 pm Post subject: |
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I still can't solve this problem, so a much needed bump.
I have reverted my .asoundrc to
Code: | pcm.!default {
type hw
card 0
}
ctl.!default {
type hw
card 0
} |
I had tried to force dmix previously to get an equalizer by:
Code: |
ctl.equal {
type equal;
}
pcm.plugequal {
type equal;
slave.pcm "plughw:0,0";
}
pcm.equal{
type plug;
slave.pcm plugequal;
} |
to no avail. In running alsamixer -D equal, alsa claims:
Code: | ALSA lib ctl_equal.c:268:(_snd_ctl_equal_open) Problem with control file .alsaequal.bin, 3.
cannot open mixer: Operation not permitted |
Playing any sound concurrently with 2 applications causes the distortion and elevated sound level of at least one of them. I have reinstalled alsa-libs/alsautils/alsamixer/alsaequal twice with stock CFLAGS, also no effect.
My theory is that alsa doesn't properly mix the sounds and when volume is raised or lowered. I wouldn't know a thing about audio in linux so help please _________________ Specs: AMD FX-6100|ASUS M5A97 AM3+|XFX AMD Radeon HD 6870|1TB 7200RPM/500GB 7200RPM|8GB DDR3 1600MHz |
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