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Internal player chooses wrong audio track for default playback
https://code.mythtv.org/trac/ticket/3260
It is that the player does not play as default the *only* audio track present in the main VOB files if the audio track in the menu had a different format. I can still play the audio by selecting the 'other' track that the player says it has found, so the effect is not as serious as misidentification in mythtranscode, which leads after two iterations to complete loss of the wanted stream.
Sound Troubleshooting - MythTV Official Wiki
https://www.mythtv.org/wiki/Sound_Troubleshooting
Ubuntu 6.10's installation of MythTV 0.20 defaults to a 32,000Hz sample rate. The result is an unpleasant "razzing" effect, slightly reminiscent of a Dalek. This effect is amplified by the MP3 encoding that's also done to the audio. It can be further amplified by the echo effect noted earlier; the combined result is most unpleasant!
Digital Audio Tutorial - MythTV Official Wiki
https://www.mythtv.org/wiki/Digital_Audio_Tutorial
The solution is to remap the channels in the ALSA configuration file which is (the correct location depends on your distribution) /etc/asound.conf (global) or .asoundrc (for the user running mythfrontend) If this test works correctly enter the audio settings in Mythtv and set the audio device to "ALSA:default".
Configuring Digital Sound - MythTV Official Wiki
https://www.mythtv.org/wiki/Configuring_Digital_Sound
The default in modern Linux systems that use the 2.6 kernel is now ALSA. For MythTV installations it is advisable to turn off any sound servers that sit on top of ALSA such as Pulse Audio or the KDE or Gnome sound servers. Bit Perfect Audio. Digital sound is the preferred method to get audio from a MythTV installation for two reasons 1.
mythtranscode --audiotrack ??? - MythTV Official Community ...
https://forum.mythtv.org/viewtopic.php?t=1899
The next step in my script needs to know what audio stream to use, and the only thing I can figure out to tell it is to take the first one. If mythtranscode moves the 'correct' stream to the second position, the rest of the script fails.
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