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Old 5th October 2011, 07:37 PM   #1
Pano is offline Pano  United States
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Question DSD stream output

I know there aren't many player that output the DSD stream from SACD, I've certainly never owned one. Some do convert it to PCM, others don't output any digital from SACD.

But my wife just bought a Sony BDP-S570 for it's net streaming features (very nice!). I noticed that it will output DSD, if desired. Or it will convert DSD to PCM. That was a surprise.

A good number of high end DAC chips will take a DSD signal, but I don't know of any complete DACs that will. Generally they just have S/Pdif and USB inputs. It would be fun to play with the DSD stream. Do I need to modify one of my DACs, or is there something out there on the market that takes DSD in? Something hackable is always more fun.
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Old 6th October 2011, 01:13 AM   #2
BrianL is offline BrianL  United States
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Likely the DSD is only over HDMI just like the Oppo and others. I don't know of any audiophile DACs with HDMI input.
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Old 6th October 2011, 01:43 AM   #3
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Because of licensing limitation, only a "protected path" cam be used to stream digitally DSD from a SACD. From what I know, the options are HDMI 1.3 and DenonLinkIII.
HDMI mixes audio with video. DLIII uses three dedicated digital audio SPDIF connections and one back channel (used for hand-shacking/encryption?) via a CAT5E cable.
There was another option - DSD over encrypted FireWire link - or in Sony naming "i.Link". But I didn't see any recent device that still supports that.

Last edited by SoNic_real_one; 6th October 2011 at 01:49 AM.
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Old 6th October 2011, 02:36 AM   #4
Pano is offline Pano  United States
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Ah, yes, makes sense that the DSD would be only on the HDMI port. And that's a royal pain in the rear for DIY. I'll do a little more reading on the Sony player, but I fear that HDMI may be it.
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