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#2 | Link |
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There are loads of such players for DVD-A; it's SACD that's the problem. Don't forget that the native form of SACD is 2.8MHz/1-bit DSD.
At the moment the only choices I'm aware of are the Oppo players, whose model numbers I forget, and the Sony PlayStation 3. If I recall correctly, both of these convert to PCM 176.4/24 or 88.2/24, depending on what your receiver can handle (many receivers can't handle multichannel at >96kHz). There aren't yet any players that will send the original DSD up HDMI. At the moment, the best bet (in sensible price brackets) appears to be i.Link or Denon Link. |
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#3 | Link | ||
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AVS Special Member
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#4 | Link |
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AVS Special Member
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I've read up on the Oppo 981 and it seems like it will indeed do the job of passing the high-bandwidth audio over HDMI. And it's only about $200. But I'll have to buy it from somewhere that allows returns, in case the SACD doesn't really work over HDMI.
Last edited by hdmi4ever; 02-03-07 at 07:14 PM.. |
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#7 | Link | |
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#8 | Link |
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AVS Special Member
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DVD-A does not have ANY MCH 192/24 output (it doesn't matter how much money you spend). The MCH limit is 96/24. SACD has to be converted (in most cases, though there are exceptions) and the 2 channel conversion is 176.4, while the MCH is 88.2 (both at 24 bits) for the most part. Theoretically, HD DVD and/or Blu-Ray can handle 192/24 MCH, but no such disc has been released, nor is there a player currently capable of such an audio output (though I'm not entirely certain about the last point regarding a player).
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Mastering engineer
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#14 | Link | |
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What have DTS/Dolby got to do with it? |
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#16 | Link | |
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AVS Special Member
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#17 | Link |
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Advanced Member
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Er, you seem to be misunderstanding. No-one's talking about storing multichannel 176.4/24 on a disc, and I agree there's nothing yet than can do that (apart from DTS HD MA; I'm not actually sure that TrueHD can do it).
But HDMI has supported 8-channel 192/24 since HDMI 1.1, if I recall correctly. So there's no reason a PS3 can't output 5.1-channel 176.4/24, either from a converted SACD, or from game content. |
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#18 | Link | |
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AVS Special Member
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#19 | Link |
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Are you saying it doesn't actually do this? I thought I read reports that it did. Or was it that it was going to in a future software update?
No, I'm sure I read people commenting that they couldn't select multichannel 176.4kHz as an option on the PS3, because their receiver didn't handle it (but they could get 176.4kHz 2-channel). Ah, here's an example post from someone saying their Sony receiver is reporting 5.1-channel 176.4kHz being sent from a PS3: http://www.avsforum.com/avs-vb/showt...Hz#post9445119 |
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#20 | Link |
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AVS Special Member
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That's the first I hear/read of it. I will explore further (as I like to know what's out there). However, I think anyone would be hard pressed to blindly identify the difference between 176.4/24 and 88.2/24 (all other things being equal). In PCM, the bit depth is far more important than the sample rate (48/24, again all other things being equal, is better than 88.2/16--though I'm not aware of anything in that format except perhaps in upsampling CD players). Furthermore, with the quality of DACs and ADCs in much of today's gear (mid-fi and up), even after multiple conversions, hi-res still sounds better than standard res (again, all other things--rec. quality, etc.--being equal). Ultimately, we should all just get some hi-res audio gear and start spinning the tunes.
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#21 | Link |
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AVS Special Member
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I think I'm going to go for a 5-disc SACD+DVDA changer, even though I can't find one that will send SACD over HDMI. I'll just have to place it directly above or below the receiver to minimize the cable entanglement, and use the HDMI for other devices. I generally don't listen to one album start to finish; I usually listen to a couple songs and then go on to the next disc, and I'd hate having to get up from the couch every 5 or 10 minutes to change discs.
However, the selection of such players seems to be severely limited. I couldn't find anything but the Yamaha C950 and C750, and the Marantz VC6001. Still, I could consider having separate DVDA and SACD changers, provided the DVDA one will send audio over HDMI, since that would mean I can listen to 10 discs without leaving the couch. And doing that probably wouldn't cost much more than a single hybrid player, given the prices of the hybrids. |
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#25 | Link |
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Advanced Member
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Could you clarify on the Arcam? This is the first I've heard that it has HDMI SACD output, and I'm struggling to find information.
One thing I've read suggests it outputs SACD as 176.4/24 PCM. Do you believe it can output DSD as well? Can you point me in the direction of any references? Arcam's site doesn't mention which version of HDMI it uses. The manual suggests it can output SACD over HDMI; it just doesn't say how. |
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#26 | Link |
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Member
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Arcam DV139 and SACD over HDMI
In the DV137/9 SACD is exported as PCM over HDMI 1.1. This works just fine :-) It will run at 176.4 kHz 24 bit provided the downstream receiver / processor can accomodate that format.
There is in my opinion no advantage in exporting SACD as DSD. It would still need to be converted to PCM in the receiver / processor for bass management etc. Hope this helps. John Dawson (Arcam) |
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#27 | Link |
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Advanced Member
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Thanks, John. At last I can add a proper
player to my rather short list of HDMI-capable SACD players (which up to now has just consisted of Oppo and the Sony PS3).Just to stir things up on the DSD front - do you then not bother to have any direct DSD paths to your analogue outputs, seeing as you see no advantage...? PS - any Arcam discounts to Cambridge residents? |
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#28 | Link |
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Advanced Member
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John,
I do have one more sensible question - can the DV139 output high-res audio alongside SD pictures? This is something most players don't seem to bother to get right, but the DV139 manual doesn't mention any such limitation, whereas the DV137 does, which makes me hopeful. If using HDMI, I'd want to keep open the possibility of an external scaler, so I'd want to be able to use the player at 576i with high-res audio. The fact that most players won't do this has so far inclined me towards i.Link rather than HDMI. |
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#29 | Link |
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Senior Member
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I am hoping that the new Denon DVM-2845CI that comes out next month will be HDMI 1.2A so I can use a single connection for SACD and DVD AUDIO.
If it is only HDMI 1.1, that would be rediculous at this point in time as 1.1 is now not a current standard and Denon should be supplying their customers 1.2A for obvious reasons. If the 2845 HDMI version is 1.2A I will be buying one if it is 1.1 I will not buy it. |
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#30 | Link | |
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Advanced Member
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I totally agree. One of the most basic functions of a player should be to function as a transport - getting the signal off of the disc in a pure digital form for external use. Now that HDMI 1.2 exists, it should be an absolute no-brainer for any SACD player to include DSD output using it, just as a CD player includes S/PDIF and HDMI PCM outputs.
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