[ubuntu-in] Audio disturbance
Linux Lingam
linuxlingam at gmail.com
Mon Oct 24 08:27:56 UTC 2011
On Sun, Oct 23, 2011 at 9:00 PM, Kingsly John <member+ubuntu at kingsly.net> wrote:
> +++ Sahana Basavapatna [2011-10-23 20:51:28]:
>
>> Hi,
>> I have installed the latest version of Ubuntu on Acer Aspire 5253-BZ661.
>>
>> Until about a day back, my audio worked perfectly. Now I see that there is a
>> constant disturbance and am not sure how this has come about.
>
> Do you get the disturbance only while working on the mains? or Do you get it
> while running on battery too?
>
> If only mains, it could be some kind of earthing issue.
>
> If disturbance exists on both, you can run "alsamixer" in a terminal .. and
> try muting each mixer channel individually and see if makes any difference.
> (Hit "F5" to show all mixers, and then use left/right arrow keys to highlight
> a mixer and "m" to mute it)
>
also, make sure you haven't got too many sound ecosystems running concurrently.
pulseaudio is usually the culprit. i've just gone back to using alsa
and not touching
anything else.
regards
n
> Kingsly
>
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niyam bhushan
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