Support for multichannel AC3 and 48kbit DTS-files

[starman.cw]

First I want thank you for a superb software! With my HifiBerry Digi+ I feel I've acquired one of the best audio players this amount of money can buy.

I've got quite a few 5.1 DTS-tracks and some 5.1 AC3-tracks in 48kbit/s. Is there any support for that or do have plans for supporting it?

The two 5.1 DTS-wav recordings I have plays fine but these are in 44.1kbit/s.

/starman

[starman.cw]

As it goes I found that my blu-ray player supports Matroska audio .mka. And if I merged an 48kbit/s 5.1 ac3 or dts-file to a mka-container it plays nicely.

But Rune does not seem to have any support for mka since my files never showed up in my library. Is there a way to get Rune to recognize mka as a playable format?

/starman

[hondagx35]

[starman.cw]

Would it be possible to get the AC3/DTS audio-signal to passthrough directly to my AV-receiver via my RPI2 with Hifiberry Digi+? Is there a setting for this in MPD?

Since both formats are visible in the gui it's disappointing to not be able to play them. Although I can play the ac3 by enabling the ffmpeg but that converts the 5.1 ac3 to stereo when playing it, whereas the DTS-files does not play at all.

/Starman

[dunghnguyen]

This morning, I tried setting in MPD to be out the signal to HDMI ok so I suggest you should try to see how?

the HifiBerry Digi+ is just the add-on device to transport the 2 channel hifi stereo digital signal to coaxial / optical / USB in of a DAC....I guess like that technically.

I will test multi-channel sound as you concerned out to HDMI tomorrow.

[dunghnguyen]

Tested with 5.1 .dts files. It seems the file played as appeared on the Rune UI but the sound out from receiver is messy ones...it means Rune does not passthru the raw digital signal to receivers

[AlleyCat]

A good passthrough implementation for digital multichannel audio is with with the recent version of Kodi. My receiver detects DTS playing on RPI2b + HiFiBerryDIGI+ . My sources are purchased at iTrax.com, which gives option for downloading music files at different encodings.


I am using RuneAudio for stereo audio only.

If I may, I'd like also to request the following:
1) a through options for multi-channel DTS files (I use FLAC 96/24)
2) Add "pipe" output method to MPD.

Thank you for a great software, which I paid (donate).

AlleyCat.

[hondagx35]

Hi,

i do not have the possibilities to work on and test such a feature.
ACX and Orion are busy with the development of the next release.

If someone with time and knowledge could help at this point is welcome to help.

Frank

[dunghnguyen]

Actually I do not know why we need the Rune to play multi-channel audio as the right role is receiver that we all knew when playing HD films with DTS / AC3 / Dolby Digital ....

If you want Rune to play multi-channel audio to be out to 2 channels then the best way is to play the wav files (16/44.1) in term of the best quality even storage savings or the better option with hires (24/192, dsd)

In any case, if we still want to play multi channel audio (classic music) then we need to do something (question for developer) so that Rune just play and passthru the digital signal out to hdmi then the next job is of receiver. I tested 5.1 dts it has not done the passthru.

[dunghnguyen]