First of all. This is for a Asus P5Q-EM motherboard with Intel G45 onboard. This doc could work for others, but of course I have no clue!
You can verify the hardware first by running : aplay -l
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You’ll notice card 0 device 3 is the Intel HDMI Audio.. If you don’t have the Intel, look for HDMI and figure out the card and device id for the HDMI out.
A way to test the audio from the card is available by running this speaker-test on the console.
If that doesn’t work, maybe you don’ thave the intel card, so the -D would not work for your. You can try (replace 0,3 with whatever card,device you have from the output above).
The Howto Start for getting 5.1 HDMI Audio in Ubuntu 10.04
1) Remove PULSEAUDIO (replace with ALSA)
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3) Set default audio card (HDMI) *this step I don’t think does much.. but I did it and my system works… so why not
4) THE MOST IMPORTANT STEP.! This will set the HDMI out as the default card so Boxee will work properly with your audio
Create an ~/.asoundrc file for the user you login with when you run Boxee
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ctrl-dto end the cat
5) Disable HARDWARE Acceleration for Video. Otherwise Boxee will just crash on any local video playback.
- run Boxee
- go to – settings -> media -> advanced
- uncheck — ‘enable hardware assisited decoding when possible’
- Render Method: Software (or Auto might work)
6) Sound Config Setup
- run Boxee
go to – settings -> system -> Audio Hardware
Audio Output: Digital
- DTS Capable Reciever: checked
- Dolby Digital (AC3) Reciever: checked
- Audio output device: default
- Passthrough output device: default`
- Downmix multichannel audio to stereo: UNCHECK
** NOTE: I will post how to get BOXEE installed soon since that was also a pain in the ass with 10.04 release.