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+---- Thread: **SOLVED** Receiver only shows LPCM for DTS audio (/showthread.php?tid=180718)
**SOLVED** Receiver only shows LPCM for DTS audio - MisterMacGruber - 2013-12-19
I have a raspberry pi running openElec (latest version) which is connected to my Sony STR-DH520 AV receiver that is capable of decoding all the latest audio formats. When playing a file with DTS-HD or DTS audio my receiver only shows LPCM (which to my understanding means that the audio is being decoded before being sent to the receiver). I've compared the sound of a Blu-Ray with a Blu-Ray rip of the same film and can confirm that I'm not receiving true surround sound from the raspberry pi.
In the Audio config I have:
Audio Output = HDMI
Speaker configuration = 5.1
Boost volume level on down mix = Yes
Output stereo to all speakers = No
Dual audio output = No
Boost centre channel when downmixing = Yes
Dolby Digital (AC3) capable receiver = Yes
DTS capable receiver = Yes
Any thoughts on how I can force hdmi audio passthrough from the pi to my receiver? Thanks in advance.
RE: Receiver only shows LPCM for DTS audio - draijsch - 2013-12-19
hdmi_force_edid_audio=1
Put that in your config.txt and it should do the trick
RE: Receiver only shows LPCM for DTS audio - MisterMacGruber - 2013-12-19
Solved! Thanks draijsch!
Here's a tip for anyone running multiple operating systems on their raspberry pi: You will have MORE THAN ONE config.txt file. The first time I tried this fix, it did not work. Turns out I was adding the line to the config.txt file of Raspbian, and NOT openElec. After editing the correct config.txt file, everything runs perfectly.