[mythtv-users] Mythtv audio mixer not working with USB audio output

Allen Edwards allen.p.edwards at gmail.com
Sun Jan 25 07:10:02 UTC 2009


On Sat, Jan 24, 2009 at 9:40 PM, jason bright <jaybright at gmail.com> wrote:
> Greetings ---
>
> I've been running my Myth box for almost 5 years now. Have always used the
> motherboard audio output, but the quality just isn't there (lots of
> scratching and buzzing, CPU noise, etc).
>
> Upon a recommendation, i picked up a USB audio adapter.
>
> http://www.newegg.com/Product/Product.aspx?Item=N82E16829128004&Tpk=ICUSBAUDIOB
>
> Was plug-n-play in linux. Just turned off the motherboard audio in the bios,
> plugged it in and rebooted.  Anybody using /dev/dsp outputs correctly. And
> the output quality is waaaaay better than anything i ever got from the
> onboard sound :)
>
> The problem: the mixer in myth no longer has any effect, so i can't use the
> volume controls within mythtv.
>
> I've tried:
> Audio Output Device:   /dev/dsp   or   ALSA:default
> Mixer Device:   /dev/mixer    or    ALSA:deafult
>
> No luck.  A bit stuck where to start looking. Suggestions most welcome :)
>
> cheers - j
>
>
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>



Not sure but I doubt that the mixer will work with a digital output.

Allen


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