[mythtv-users] Occasional missing audio from recordings

[jose rubio]

On Tue, 2003-12-02 at 20:44, Doug Scoular wrote:
> Hi All,
>     I have a Shuttle SB61G2 with a Hauppauge PVR-350 and
>     NVidia GeForce 4 440MX for TV-out. I'm using gentoo 1.4
>     with a 2.4.21 kernel and the latest IVTV drivers/firmware
>     and MythTV 0.12.
> 
>     MythTV works wonderfully well on the above setup with
>     one remaining issue.
> 
>     Occasionally I get no audio on a scheduled recording. This
>     has been the case on MythTV 0.11 and 0.12. Most of
>     the time the loss of audio on a scheduled recording causes
>     live TV to also lose audio, however this is not always the
>     case. Sometimes the loss of audio is limited to the
>     one scheduled recording, subsequent recordings being
>     fine and live tv unaffected.
> 
>     If I lose audio on live tv I can fix it by killing mythbackend
>     and restarting it. This always fixes the problem... which indicates
>     that the IVTV driver has no problem re-initialising.
> 
>     I had thought this might be due to some KDE app holding
>     open the dsp device but I've disabled all arts binaries
>     by making them non-executable. I've also tried running
>     under twm, but all to no avail. There's nothing in the
>     mythbackend logs to indicate a problem.
> 
>     I haven't seen anyone else mention this problem on the
>     list so I'm stumped.
> 
>     I do get about less than a second of white noise at
>     the start of playback on these "no audio" recordings.
> 
>     Any ideas much appreciated...
> 
>     Doug
> 
It happens, although I've never seen it happen during live tv.  I
believe it's an ivtv problem, just waiting for the newest driver to come
out and see if that fixes it.


-jose-