Receivers that decode 4.0 PCM/MLP recordings over HDMI

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soesbeout

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How are they connected?
The front and rears are connected to the Sansui aux hi inputs from the Oppo and the center channel is connected to a separate small amp to drive the center channel, the SW is turned off because I use full range speakers. When I listen to 4.0 I turn off the center channel. The selector is left on CD4 discreet.
 
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Sal1950

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The front and rears are connected to the Sansui aux hi inputs from the Oppo and the center channel is connected to a separate small amp to drive the center channel,
Yep, that's what I thought, the Oppo is doing the decoding of the 4ch data steam and supplying the receiver with analog signals to the various channels. That's a good path for Oppo owners, AFAIK there were only a couple other disc players that could supply multich analog outs to make this arrangement possible.
Cheers
 

Owen Smith

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Yep, that's what I thought, the Oppo is doing the decoding of the 4ch data steam and supplying the receiver with analog signals to the various channels. That's a good path for Oppo owners, AFAIK there were only a couple other disc players that could supply multich analog outs to make this arrangement possible.
Cheers
Actually there were loads of blu ray players with multi channel analogue outputs when the format first came out. They're very thin on the ground now though.
 

Sal1950

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Actually there were loads of blu ray players with multi channel analogue outputs when the format first came out. They're very thin on the ground now though.
Quite possibly, my 71 yo brain doesn't remember so good anymore. ;)
 

soesbeout

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Yep, that's what I thought, the Oppo is doing the decoding of the 4ch data steam and supplying the receiver with analog signals to the various channels. That's a good path for Oppo owners, AFAIK there were only a couple other disc players that could supply multich analog outs to make this arrangement possible.
Cheers
Before I got the Oppo I was using a Pioneer 563a hooked up the same way the Oppo just has more features and a better DAC plus the pioneer would not play FLAC files and had no external memory inputs or internet capabilities.
 

a3340s

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I have my Oppo downmix any multichannel to 4.0 into my Teac a3340s R2R then out to my Denon 3808 analogue inputs. Sounds fantastic! And I load a tape, press record and make Quad tapes! I use the HDMI for digital.
Oops! I think I just made my first comment after all these years.😱IMG_20181014_090026.jpg
 

ummagumma

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That's cool!!

I have one of those, but it needs some work. Where do you get your tape?
 

Krobar

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My results if anyone still interested or having problems:

- Oppo 205 outputting bitstream via HDMI (Audio Only) port
- Ripped files (FLAC and DSF) played via USB
- Marantz SR7013 (Bluray HDMI input)

I've had no problems recognizing 4.0 files using this combination. If it is the Oppo is putting the files into the proper 5.1 container, then additional kudos to Oppo yet again.
Upmixing to 5.1 is easy but it breaks upmixing applied at the AVR/prepro. Output of proper 4.0 is best.
 

Krobar

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So perhaps it is not an inherent limitation with the newer 2014 & later Atmos-based D+M AVRs' processing after all, is it most certainly a source issue but then apparently the 2020 D+M models have this issue fixed as confirmed by @Veganfloyd's usage with the Sony UBP-X800M2 but not on Denon's 2019 AVR-X3600H model.
It mainly boils down to if receivers support a FL + FR + SBL + SBR multi channnel PCM mapping. The Kodi music player supports all mappings and defaults to FL + FR + SBL + SBR (Which is correct at least from Microsoft's POV). Kodi video player does not yet support channel mapping hints but this functionality is present in the daily builds so should be working when Kodi 20 releases.

The big problem is that Intel integrated graphics cards only support FL + FR + SBL + SBR and 3.1 in Windows, they do not support FL + FR +SL +SR (Which is supported by pretty much every AVR). AMD only support FL + FR +SBL +SBR, not sure about Nvidia.

I have requested Intel add additional PCM multichannel mapping which would mean for Quad we could just mark the files as FL + FR + SL + SR and they would work on pretty much any receiver. Intel have acknowledged it is a driver issue but have not promised a fix:
Windows HDMI Audio Driver - WASAPI PCM 4.0 FL+FR+SL+SR layout support - Intel Community
A few more people asking might help.
 
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