[mythtv-users] SBLive audio works with playback but not with LiveTV
dnblack3 at gmail.com
Mon Feb 16 10:51:27 UTC 2009
On Thu, Feb 12, 2009 at 11:34 PM, Derek Black <dnblack3 at gmail.com> wrote:
> Here's an interesting one:
> Configuration: AMD+, Mythbuntu 8.10, 1GB RAM, HVR 1900:
> Audio: SBLive (default ALSA), CX8811, V8237
> Was using the onboard V8237, but got a horrible whistling sound when
> listening to playback for videos, etc. Tried upgrading drivers, ALSA, etc.
> to no avail. Decided to try the onboard CX8811 (blackbird)...boy was that a
> mistake. Went out of the frying pan into the fire...so distorted as to make
> it impossible to listen.
> So, I put in an old 5.1 SBLive card I had lying around and for playback, it
> was beautiful. Configured ALSA to use it as the default card. Playback
> works a treat. But I get no sound for live TV. I did the usual mute line
> in, but to no avail. When I mute the line in, there is no sound, it's like
> it's not picking it up from the disk.
> I used the alsamixer CLI to select my capture input (Line) and muted the
> volume, but it doesn't look like it's reading from the files on disk. I
> checked to see if it was a problem with the internal player, but it plays
> other files fine. Just has a problem with Live TV.
> I know the audio from live TV is working because if I UNmute it, I can hear
> perfectly, but with the normal audio sync problems (ahead of the video), and
> it of course persists after exiting live TV.
> So, cable, card etc are working, but live TV isn't.
> Have tried using /dev/dsp and /dev/dsp2 for mythtv config (and everything
> in between in the meantime). Frontend currently set to ALSA:default
> (although I tried others).
> Any ideas would be greatly appreciated. The WAF (Wife Acceptance Factor)
> is currently high, but if I can't sort this problem, I may have to cave and
> get Sky+
The three cards, to be more specific, are the onboard VIA audio, the HVR
1900 audio and the add-in SBLive card. Anybody have a clue what happened
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