[mythtv-users] myth 0.24 cannot get sound on one channel
Seth Daniel
mythtv.org at sethdaniel.org
Tue Dec 7 18:35:50 UTC 2010
On Sun, Dec 05, 2010 at 01:21:16PM -0800, Seth Daniel wrote:
> Hi,
>
> I am unable to get sound to playback for one channel. All other
> channels work fine. The channel is KCOP (channel 13) here in Los
> Angeles. I don't know if this channel worked with any version previous
> to myth 0.24 since, until very recently, I was unable to tune this
> channel (OTA).
>
> I have one other weird sound problem with channel 11 (KTTV). Initially
> I don't get sound, but if I skip forward several minutes I get sound. I
> can then skip back to the beginning and sound playback is fine. Perhaps
> an interesting tidbit is that KTTV and KCOP are related. I think FOX
> owns both of them.
>
> I have attached a log when I attempt to play something from KCOP. I
> used -v audio. I don't see anything interesting, but I don't know what
> to look for either. In the log I am using LiveTV, but recorded shows
> don't work either. Also in the log I am using the ALSA:default output
> device which I manully entered in the sound setup screen. Since then I
> have changed to using ALSA:iec958:CARD=CMI9738,DEV=0 as the output
> device (this is a device found during the audio device scan) and the
> same problem persists. My other sound settings:
> speaker config: 5.1
> AC3 / DTS passthrough checked
> upmix quality: 0
Apparently KCOP broadcasts are all in stereo instead of DD. So I had to
change the upmix quality to something other than zero and turn on 'upmix
stereo to 5.1'. Once I did that KCOP now has sound during playback.
--
seth /\ sethdaniel.org
More information about the mythtv-users
mailing list