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Old 02-03-07, 11:23 AM   #1   |  Link


hdmi4ever
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SACD+DVD-Audio player that sends full multichannel audio over HDMI

Full bandwidth 24/192 multichannel audio over HDMI, for both SACD and DVD-A? Does such a player exist?
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Old 02-03-07, 01:51 PM   #2   |  Link
KMO
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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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Old 02-03-07, 03:08 PM   #3   |  Link
hdmi4ever
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Quote:
Originally Posted by KMO
There aren't yet any players that will send the original DSD up HDMI.
PCM is fine, as long as it sends the highest audio bandwidth that is on the disc, without lossy conversions in the process.

Quote:
At the moment, the best bet (in sensible price brackets) appears to be i.Link or Denon Link.
Even then it's hard to find anything under $1500 with the other features I want. I guess I'll have to be resigned to the 5.1 analogs. Maybe I can tolerate that if everything else is connected to the receiver by HDMI or SPDIF.
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Old 02-03-07, 07:00 PM   #4   |  Link
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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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Old 02-03-07, 08:17 PM   #5   |  Link
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The SONY SCD-XA9000ES has DSD out via iLink.

I am waiting a bit longer for the price to go down a little more before getting one.
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Old 02-03-07, 08:36 PM   #6   |  Link
William
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No Sony (PS3 or STB) does DVD-A.
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Old 02-03-07, 09:41 PM   #7   |  Link
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Quote:
Originally Posted by hdmi4ever
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.
Direct from Oppo, you get a 30 day satisfaction deal and they'll pay for return shipping. Amazon has a nice return policy too but you'll have to pay for return shipping.
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Old 02-04-07, 11:04 AM   #8   |  Link
Ovation
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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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Old 02-04-07, 11:54 AM   #9   |  Link
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I'm pretty certain the PS3 converts multichannel SACD to 176.4kHz if the receiver can handle it.
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Old 02-04-07, 03:06 PM   #10   |  Link
stuka
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Quote:
Originally Posted by Ovation
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).
The SONY is straight DSD stream via iLink. No conversion.
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Old 02-05-07, 02:54 AM   #11   |  Link
Titania
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Quote:
Originally Posted by Ovation
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).
That is correct. Blu Ray and HD DVD can handle 192/24 MC using DTS Master Audio which is lossless. I'm looking into getting the DTS HD suite for my studio and possibly doing some classical venue recordings in MC at 192/24 using mostly Neumann microphones and Apogee Preamps.
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Old 02-05-07, 10:30 AM   #12   |  Link
Ovation
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Quote:
Originally Posted by KMO
I'm pretty certain the PS3 converts multichannel SACD to 176.4kHz if the receiver can handle it.
Only if it is converting to the new DTS or Dolby lossless formats first, rather than to uncompressed PCM. And I don't think it is doing that.
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Old 02-05-07, 10:35 AM   #13   |  Link
Ovation
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Quote:
Originally Posted by stuka
The SONY is straight DSD stream via iLink. No conversion.
There is no conversion if no bass management or time alignment is performed. I know of NO playback of DSD that includes BOTH bass management AND time alignment that does not also include a conversion of the DSD signal to PCM or multi-bit DXD (and sometimes back to DSD) for MCH playback.
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Old 02-05-07, 12:16 PM   #14   |  Link
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Quote:
Originally Posted by Ovation
Only if it is converting to the new DTS or Dolby lossless formats first, rather than to uncompressed PCM. And I don't think it is doing that.
I don't understand this comment. I'm saying it can convert to 176.4kHz multichannel PCM. However, most receivers probably don't support this, as it's beyond the capabilities of DVD-Audio.

What have DTS/Dolby got to do with it?
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Old 02-05-07, 02:08 PM   #15   |  Link
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Quote:
Originally Posted by stuka
The SONY is straight DSD stream via iLink. No conversion.

Aha, but there is nothing to stop the receiving end to convert that to PCM before the DACs.
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Old 02-05-07, 03:01 PM   #16   |  Link
Ovation
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Quote:
Originally Posted by KMO
I don't understand this comment. I'm saying it can convert to 176.4kHz multichannel PCM. However, most receivers probably don't support this, as it's beyond the capabilities of DVD-Audio.

What have DTS/Dolby got to do with it?
There is no provision for MCH PCM transmission above 96/24 in any gear at this time. ONLY the TrueHD Dolby or DTS HD MA codecs can carry that kind of information, so unless the DSD is being converted to one of those two codecs, then there is NO MCH conversion of DSD to anything higher than 96/24 (most likely 88.2/24) going on ANYWHERE in any player/receiver/pre-pro combination out there.
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Old 02-05-07, 05:30 PM   #17   |  Link
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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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Old 02-05-07, 05:55 PM   #18   |  Link
Ovation
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Quote:
Originally Posted by KMO
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.
In theory, it could, I suppose, but in reality, it isn't doing so. I just don't want people to get the impression that, at the moment, they can buy a device that outputs anything in MCH higher than 96/24 lossless. It just isn't happening yet.
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Old 02-06-07, 06:31 AM   #19   |  Link
KMO
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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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Old 02-06-07, 10:11 AM   #20   |  Link
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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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Old 02-07-07, 06:04 AM   #21   |  Link
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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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Old 02-08-07, 08:21 AM   #22   |  Link
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I have a Pioneer Elite DV-46AV and it only sends DVD-Audio over HDMI (when the output is set at 1080i).

I've read that the Oppo DV-981HD does both via HDMI and is an affordable way to obtain both formats over HDMI, but I believe that it converts SACD to MCH PCM.
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Old 02-08-07, 10:31 PM   #23   |  Link
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I have a PS3 coupled with a sony str-dg1000. The receiver identifies the frequency on its display. I can verify that it plays multichannel SACDs at 176.4/24.
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Old 02-09-07, 04:56 AM   #24   |  Link
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You could try the Esoteric DV-60 or the Arcam DV139. I believe both output the full res PCM from DVD-A and the DSD from SACD. The problem though is neither is inexpensive.
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Old 02-09-07, 07:20 AM   #25   |  Link
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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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Old 02-09-07, 08:17 AM   #26   |  Link
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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.

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Old 02-09-07, 10:46 AM   #27   |  Link
KMO
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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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Old 02-10-07, 04:20 AM   #28   |  Link
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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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Old 02-12-07, 04:00 AM   #29   |  Link
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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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Old 02-12-07, 04:06 AM   #30   |  Link
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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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