[mythtv-users] No Display

Jay Ashworth jra at baylink.com
Mon Feb 7 19:14:07 UTC 2011


----- Original Message -----
> From: "Andy" <mizeraka at yahoo.com>

> Thanks for all the helpful advice. I have become convinced, however,
> that my problem is a problem with the television as suggested by Greg
> and Jay. If anyone knows how to get the audio signal "always on"
> either through Xorg.conf or ALSA, I would appreciate a nudge in the
> right direction.
> 
> This is why I am sure that it is not a problem with the resolution:
> - Video comes on with any audio signal from any source (including when
> I play a YouTube through Firefox), which I surmise means that there is
> no change in the resolution of the video signal.
> - I changed my audio settings (through the very cool new "scan for
> audio" feature) to put audio out to a boombox. The audio came through
> fine, but the video signal did NOT switch on. Which again leads me to
> believe, as Greg and Jay suggested, that the TV will not display
> without both audio and video streams over HDMI.
> 
> Hopefully I can get some help with TV settings from LG, other wise the
> easy solution will be to return it for a model that DOES display HDMI
> without an audio signal. I will be carrying my mythtv box with me and
> demanding to hook it up before I purchase another TV. Or again, if
> anyone knows how to get the audio signal "always on" either through
> Xorg.conf or ALSA, I would appreciate the help.

Well, it's tacky as hell, but "when in doubt, use brute force":

You could always set audiacious to start at boot, and loop-play a 10 second clip of silence.  :-)  (Or, I guess, just aplay in a while true loop in a
shellscript.)

Cheers,
-- jra


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