[mythtv-users] Sound problems

Matthew Mead mkmead at hoodnet.net
Mon May 24 19:15:16 EDT 2004


The problem I am seeing is I am setting it as capture with alsamixer.. but
still no sound. I even tried to do it with the mic with no luck.

Grrrrr.. stupid on-board sound cards.. I'm going to go get a sb here
shortly.

whats weird is if I mute it in xawtv and then fire up aplay /dev/dsp

I get a spam of underrun!!! (at least XX.XXX ms long) and no sound.

----- Original Message ----- 
From: "Bruce Markey" <bjm at lvcm.com>
To: "Discussion about mythtv" <mythtv-users at mythtv.org>
Sent: Monday, May 24, 2004 6:46 PM
Subject: Re: [mythtv-users] Sound problems


> Matthew Mead wrote:
> > Ok,
> >
> > After doing some digging.. reading old posts and trying everything I
> > could think of I need some help.
> >
> > I have my video card line out going into my sound cards line in.
> >
> > I have alsa drivers loaded and can view video just fine. I am however
> > unable to hear anything at all from mythtv.
> >
> > It seems like the encoding/playback isn't going..
>
> Exactly, this is about the most common problem encounter in getting
> started. Usually it's just a matter of using alsamixer to set your
> "Line" as "CAPTUR" and to turn up the volume on the slider with the
> sub-caption "Capture".
>
> > Any suggestions on to where I should be looking next to fix this..
>
> http://www.mythtv.org/docs/mythtv-HOWTO-20.html#ss20.12
>
> > Else the only way for me to get any kind of sound is to unmute the line
> > in in my mixer but then its off by 2 secs (sync)
>
> To be expected but at least that confirms that the analog signal
> is reaching the sound card. Now you just need to digitize it with
> the DSP.
>
> --  bjm
>


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