[mythtv-users] scratchy sound once in a while

Mache Creeger mache at creeger.com
Wed May 14 23:08:53 UTC 2008

At 06:40 AM 5/14/2008, Anthony R. Baker wrote:
>      This is what I more or less followed to fix this in my system. 
> The script fix_audio had to be called from cron to get it to work 
> every 
> time. 
> <http://www.gossamer-threads.com/lists/mythtv/users/333994>http://www.gossamer-threads.com/lists/mythtv/users/333994
>----- Original Message -----
>From: <mailto:john at andrunas.net>John Andrunas
>To: <mailto:mythtv-users at mythtv.org>Discussion about mythtv
>Sent: Tuesday, May 13, 2008 1:58 PM
>Subject: Re: [mythtv-users] scratchy sound once in a while
>I have had this happen a couple of times over the last few days as 
>well, always on the same channel.  I assumed it was the channel, and 
>haven't had time to investigate.  I will poke around the next time I 
>see (or hear) it .
>On Mon, May 12, 2008 at 11:12 PM, Steve Peters - Priority 
><<mailto:steve at priorityelectronics.com>steve at priorityelectronics.com> wrote:
>Hello, i have mythbuntu 8.04 going and one of my two issues 
>remaining is the scratchy, static sound that happens every now and then.
>Seems like one in every 20 or so recordings or channel changes has 
>this happen. The funny thing is that it always happens on my wife's 
>I have heard of a tinny sound being heard by some myth users, but 
>this one is more like very bad static, like bad radio reception.
>I tried this:
>v4l2-ctl -d 2 --set-audio-source=0; v4l2-ctl -d 2 --set-audio-source=1
>which i found at: 
>But nothing happened when i ran it, it just brought me to the same 
>screen you get when you run: v4l2-ctl --help
>Does anyone have any ideas on how to fix this bad sound?

Assuming you have upgraded to 0.21, I found sound problems resulting 
from 0.20.2 version of mythtv that were hanging around after I 
upgraded to 0.21. I would do a

# rpm -qa |grep 0.20.2

And erase all the mythtv stuff that you find.

-- Mache

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