[mythtv-users] Cheap & simple solution for Optical SPDIF output

[Chris Hembrow]

I have a cheap USB "soundcard" and it has a few seconds lag when playing
anything. I currently use it as the output for mythmusic, straight into
my (stereo) amp, and use the onboard soundcard for everything else.
Whenever music starts playing, or I pause, there is a 3-4 second lag.
This only happens with the usb device, whether it was used for music or
video. So maybe the problem is with the usb sound drivers?

Chris

On Wed, 2006-10-11 at 13:01 -0500, James Oltman wrote:
>         
>         My receiver (an RCA unit I got as Sam's years ago), has always
>         taken a
>         second or so to start playing digital audio.  Now this device
>         is my 
>         only experience with digital sound (coax OR optical), but I
>         leaning
>         towards it just being weak in that department.  Certainly not
>         likely
>         it's a myth-specific issue anyway.  Can anyone else using
>         SPDIF with
>         myth comment on how it behaves during skips?  It would be nice
>         to know 
>         this is one thing that will clear itself up when I eventually
>         upgrade
>         my receiver one day.
>         
> 
> I have a receiver (Pioneer) that receives digital coax from my FE Myth
> box.  I never have audio lags when I fast forward.  I'd think the
> culprit is probably in ALSA or the device itself (maybe a side effect
> of the USB, I have little to no experience in linux sound).  I've
> never heard of a receiver actually lagging behind video.  Usually it's
> video lags audio (especially on some HDTVs). 
> 
> Jim
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