SPDIF LPCM output compatibility

[Mount81]

Hello!

I'm using the Q10 Pro's analogue RCA outs to get sound with my active pair of stereo speakers. Works fine so far. But I'm into a bit "upgrade" sound qulaity wise -if it's idea proofs worthy and working-, and planning to buy an SPDIF DAC like this one: http://www.fiio.eu/index.php?route=product/product&path=61&product_id=57. If I set the SPDIF output to LPCM will this DAC be able to produce sound from it in the cases of DD, Dolby, DTS, DTS-HDMA as well? As far as I know all sound formats -except HD sounds- can be transcoded to stereo PCM, so this DAC could receive a compatible format and decode it to analogue?!

Am I rightn or are there more limitations with this method regarding the compatible -and transcodable- audio formats?!

Thanks for the replies!

[Mount81]

(No petulance, but) 84  wievs and no one had a clue jet?

[Mount81]

Had to UP the topic.

[futeko.com]

You'll have gathered by now that I don't know the answer for sure..

What I think would happen is that high bitrate PCM/LPCM audio will pass as source and the DAC will convert to stereo, but DD, DTS, DTS-HD MA etc will be downsampled to stereo 48Hz by Q5/Q10 Pro before output by SPDIF. So for DD, DTS, DTS-HD MA you'll not get much of a quality improvement.

In general I wouldn't have thought the quality improvement of a cheap external SPDIF DAC like that would be very big vs using Q5/Q10 Pro's RCA outputs.

[Nice Monkey]

You'll have gathered by now that I don't know the answer for sure..

What I think would happen is that high bitrate PCM/LPCM audio will pass as source and the DAC will convert to stereo, but DD, DTS, DTS-HD MA etc will be downsampled to stereo 48Hz by Q5/Q10 Pro before output by SPDIF. So for DD, DTS, DTS-HD MA you'll not get much of a quality improvement.

In general I wouldn't have thought the quality improvement of a cheap external SPDIF DAC like that would be very big vs using Q5/Q10 Pro's RCA outputs.

There is something strange with the pure Audio handling also using the standard Music Player (and others).
When playing 16-bit 44/48 KHz material output is LPCM and passing internal processing (volume control interacts). When playing FLAC at 24-bit and 96/192Hz output is RAW in LPCM or MCH matching the source material (not volume controlled). This with Output set as RAW on SDIF/HDMI.

This has been reported since the original release but never addressed.