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Old 8th May 2006, 11:56 AM   #1
diyAudio Member
 
Join Date: May 2002
Location: oz
Default DTS decoder on PC

Hi All

I wish to play back a dvd audio into a PC and use the 5.1 output of the sound card. Input will be via spdif in

Does anybody know of appropriate software that would allow me to do this .
MY PC does not have a dvd in it nor is it likely to. though this is probably the best way of doing things

Thanks in advance
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Old 8th May 2006, 01:33 PM   #2
Schaef is offline Schaef  United States
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Join Date: Jan 2001
Location: Cuyahoga Falls, OH
You do realize that:

a) DVD-A is not DTS?

b) DVD-A won't transmit at full resolution across SPDIF?

c) DVD-A only does full resolution through the analog outs?

Now, prefacing with all of that, you could possibly try searching for DTS decoders on sourceforge. I know at one point there was a group working on one and had a pretty complete version, until DTS stepped in and said stop it.
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Old 8th May 2006, 01:40 PM   #3
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Join Date: May 2002
Location: oz
Hi Schaef

Thanks for your reply.
I need to clarify - the audio I'm trying to decode is from DVD's (movies) as my dvd player has no decoder built in, therfore i wish to use the pC sound card to do this .
It is a Aopen 850 deluxe with SPDIF in and out.

BTW your comments on DVD-a are most enlightening - that was one of my next queries!


Many thanks
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Old 9th May 2006, 01:03 PM   #4
Schaef is offline Schaef  United States
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Join Date: Jan 2001
Location: Cuyahoga Falls, OH
Okay, I mis-understood your original post then. (I saw DVD audio and assumed you meant DVD-A) I'm not sure you can find a free DTS decoder for the PC, particularly for windows. Dolby Digital, on the other hand, can be found, as it was published as part of the ATSC specification.
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Old 9th May 2006, 07:06 PM   #5
phofman is offline phofman  Czech Republic
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Location: Pilsen
goerge a, if you want to dive into linux, I suggest you check libavcodec and the whole ffmpeg project. It should handle DD/DTS. Nothing simple though.

Easier way would be to redirect SPDIF-in into a sound card with suround sound hardware decoders. I would still stick to the linux way - memcoder, alsa, etc. Good luck should you go for it.
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Old 10th May 2006, 01:17 PM   #6
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Join Date: May 2002
Location: oz
Thanks Phofman

I think linux would make my eyes galze over - that stuff is beyond me i ssupect.
However my soundcard already has spdif in via coax and optical and also has 5.1 output - all i need is the software in between so that i can pump my digital Tv set top box and x-box into it for dolby digital decoding...
sounds easy...... but it dosent't appear to be so far.
It decodes spdif from pioneer cd player or x-box no probs..



ps card is a Aopen 850 deluxe - it has a daughter board for the digital in and outs

I am also currntly using th card as the output for a PC version of a juke box using i-tunes and would also like to get into convolution for speaker eq.

Thanks
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