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Old 12th November 2009, 05:45 PM   #1
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Default Splitting DTS digital audio signals

I was wondering if there is any way how to split a digital source signal (DTS) into a dedicated digital signal like digital output for center speaker, digital output for subwoofer and digital output for front and rear.

Has anyone done this before?

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Old 12th November 2009, 07:10 PM   #2
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It may be possible but it would be far from simple. You would need IEC61937 Pt 5, which covers non-linear PCM, specifically DTS, over IEC60958 aka SPDIF, to confirm it. But having split DTS datastream, how would you then go about decoding each pair of channels ?
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Old 12th November 2009, 07:51 PM   #3
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Grab an Audigy2 sound card. It has 3 SPDIF outputs in the digital out jack (you need a 3 ring jack). Decode with that card a DTS signal (they use to have it in the drivers for WinXP, Vista, I don't know for Win7, if not, use a software player that decodes DTS) and you will have 3 stereo PCM streams.

Or on a regular DTS decoder with analogic out (DVD player, digital receiver) - you will have at the DAC inputs 3 sets of i2s signals. You need to grab those and input them in 3 SPDIF encoders.

To decode DTS in the six digital channels you need a licensed device...
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Old 12th November 2009, 07:51 PM   #4
phofman is offline phofman  Czech Republic
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Should a linux PC be your DTS source, splitting to individual channels is rather simple. If you mean a dedicated box with SPDIF input for DTS and 3/6 SPDIF outputs for PCM, it is also feasible using a linux PC, but significantly more complicated.
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Old 13th November 2009, 11:19 AM   #5
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This helps a lot!

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