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DTS WAV File Playback (a blast from the past)

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bspachman:
Hi all--

It's been a hot minute since DTS WAV files have been discussed (at least 1000 days, using those search terms). :)

I have a small collection of DTS-encoded tracks in my library. Some were ripped from DVD-A and DVD-V discs, but 2 albums were ripped from the short-lived DTS on CD format. These DTS WAV from CD files used to play--but something has changed, and they no longer work.

As far as I can tell, nothing has changed with my audio output settings since I last attempted to play these DTS WAV files:

- Output is my primary Realtek motherboard S/PDIF connection in WASAPI Exclusive.
- Bitstreaming (S/PDIF) is enabled.
- Both AC3 and DTS formats are checked in the bitstreaming 'Custom' box. They're the only formats my receive can decode.
- All of the options in DSP Studio are turned off.
- The ".dts" extension is assigned to JRiver Media Center in "File Options".
I get slightly different errors depending on whether the file options "Playback Method" is 'Automatic' or 'JRiver Video Engine'--but neither playback method works.

The error I get when trying to play these 2 albums is either:
"Playback could not be started on the output 'WASAPI' using the format '44.1 kHz 2ch." (when file option playback is 'automatic')
OR
"Playback could not be started on the selected audio output." (when file option playback is 'JRiver Video Engine')

The first confounding part of this problem for me is that my other DTS files play fine--they have all come from DVD-A or DVD-V discs.

The final kicker is that using JRiver to play the actual physical DTS CDs works. Signal sent--receiver decodes as DTS--and music comes out of the speakers :)

Can anyone give me further ideas about what I might be missing?

Thanks!
brad

cncb:
Have you tried simply renaming them as .wav and reimporting?  I have 1 dts-wav cd and ended up just converting it to multi-channel flac to be compatible with more devices.

bspachman:
Good thought...

Existing files exhibit the behavior described above regardless of .dts or .wav extensions.
Thought maybe the existing files may have gotten corrupted (somehow). Re-ripped a couple of tracks with both MC and EAC.
New rips import fine (showing 'Compression'=DTS or dts), but exhibit the behavior described above regardless of .dts or .wav extensions. Oddly the rips are slightly different sizes (EAC is smaller than MC). I'm guessing due to tags?

....?
brad

Hendrik:
As a test, what if you disable bitstreaming and let MC decode it?

That would tell us if it properly recognizes the files at all.

cncb:
It's been a while, but I don't recall MC recognizing it as dts at all.  It would just treat it like 2-channel wav, and play back as static in MC.  The device on the other end of the spdif output will recognize it as dts.

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