[mythtv-users] Crackling and popping in non-PVR analog card -- I think I can say it's MythTV's fault

[Chad]

On 9/8/05, Sérgio Gomes <sergiomdgomes at netcabo.pt> wrote:
> Hello everyone!
> 
> I have finally found the problem!
> 
> I did a little experience: I enabled the AC97 soundcard in my
> motherboard and connected the output of the TV card to it instead of to
> the Audigy. No more crackling! However, I noticed the volume is way too
> high! The TV card seems to be outputting sound at a very high level. The
> Audigy tolerated this, but not my AC97 card. Not very serious though,
> I'm getting an attenuator to solve the problem.
> 
> The high levels were however not the problem, since the crackling only
> happened in MythTV and not when I recorded TV sound in other programs.
> 
> 
> So, the crackling I experienced is probably MythTV not liking my
> soundcard (Audigy 2, emu10k1 kernel module), since in all other
> programs, and all the playback and recording experiments I did there was
> never a crackle or pop. The emu10k1 factor is also consistent with
> Michael Cowell's setup, who posted his similar problems. It must be
> something in the emu10k1 driver that MythTV doesn't like.
> 
> So, what I can say is, if you have a TV card with a dongle cable to
> connect to a line-in, don't connect it to an emu10k1. MythTV won't like it!
> 
> Thanks for bearing with me!
> 
> Sérgio Gomes
> 
> 
> _______________________________________________

Sweet thanks!  I'm in the same boat, I'll try swapping soundcards and
see what happens.

Cool