Splitting DTS digital audio signals

blank527 · 12th November 2009, 06:45 PM

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?

Regards,
Remco

rfbrw · 12th November 2009, 08:10 PM

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 ?

SoNic_real_one · 12th November 2009, 08:51 PM

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...

phofman · 12th November 2009, 08:51 PM

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.

blank527 · 13th November 2009, 12:19 PM

Thanks!

This helps a lot!

Remco

12th November 2009, 06:45 PM	#1
blank527 diyAudio Member Join Date: Nov 2001 Location: Haarlem	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? Regards, Remco

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12th November 2009, 08:10 PM	#2
rfbrw diyAudio Member Join Date: Oct 2001 Location: .	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 ?

12th November 2009, 08:51 PM	#3
SoNic_real_one diyAudio Member Join Date: Jan 2008 Location: Virginia	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...

12th November 2009, 08:51 PM	#4
phofman diyAudio Member Join Date: Apr 2005 Location: Pilsen	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.

13th November 2009, 12:19 PM	#5
blank527 diyAudio Member Join Date: Nov 2001 Location: Haarlem	Thanks! This helps a lot! Remco

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