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12.04 - XBMC Passthrough Audio and Pulse - Ask Ubuntu
https://askubuntu.com/questions/145052/xbmc-passthrough-audio-and-pulse
With XBMC, there are two audio settings. One is for for stereo audio, and the other is for passthrough audio (If I were to enable AC3 and or DTS then passthrough would be used): With the following ubuntu audio settings, if I enable Dolby Digital …
DTS audio passthrough??? - XBMC Medi | NVIDIA …
https://www.nvidia.com/en-us/geforce/forums/legacy-products/12/180903/dts-audio-passthrough-xbmc-mediaplayer/
I am able to passthrough audio over HDMI which is correctly decoded by my AVR as DTS/DD from the stock player and actually with MX player, but the results aren't very watchable, it seems to struggle with the bitrate or something, as DTS has an occasional video hiccup, but DTS-HD becomes a total slideshow after ~15-30 seconds, though the audio ...
Topic: XBMC Passthrough no sound | Stephan's blog
http://stephan-rafin.net/blog/forums/topic/xbmc-passthrough-no-sound/
To configure passthrough, I went to system->settings->system->audio and selected the expert level. My output device was “imx-hdmi-soc, HDMI” with output configuration Best Match, sampling rate 48kHz, and resample quality High (This part worked; I could play MP3’s and MP4’s and hear the sound without a problem)
XBMC & AAC Passthrough
https://forum.kodi.tv/showthread.php?tid=152691
Update the audio settings and to change the "Audio Output Device" to something else, something that would be invalid. Playing the same video stream that has the AAC audio nothing is heard in the speakers. If my understanding is correct the above shows the XBMC recognizes the audio as AAC but doesn't obey the "AAC Passthrough".
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