Thread: SACD Multichannel Issues

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Post by talisman954 March 10, 2013 (31 of 39)
sibelius2 said:

There's a setting on your Onkyo you need to check as well.

Hardware Setup -> HDMI -> Audio TV Out: Off

When set to 'On', the receiver passes the audio signal through to the TV set; but of course the TV cannot process a DSD signal nor a multichannel signal and this is exactly the sort of thing which could throw everything out of whack.

You sir are a genius
Now not only do I have SACD working in DSD, but since doing as you suggested it resolved the issue so I can keep HDMI connected and not have to disconnect hdmi to my tv just to play my SACD.
Thanks to everyone that helped.

Post by sibelius2 March 10, 2013 (32 of 39)
Glad I could help!

Post by rammiepie March 10, 2013 (33 of 39)
Kal Rubinson said:

I've used HDMI1 and HDMI2 simultaneously and I've used HDM2 and analog simultaneously but not all three. Have you tried setting the "Dual HDMI Output" to "Split A/V?"

Thanks, Kal. Changed main menu on the OPPO BDP~105 set~up to Split A/V and it works like a charm .... My next dilemma: Since HDMI 1 carries the Oppo internal video processing and HDMI 2 is enhanced audio........which output should I use in my Meridian HD621.......am presently using HDMI 2 but occasionally watch 480 DVDs ............which especially can benefit from the OPPO's video enhancement processing?

Or do I have to keep swapping cables to get the best of both worlds?

Any alternative solution.

Thanks in advance.

Post by Kal Rubinson March 11, 2013 (34 of 39)
rammiepie said:

Thanks, Kal. Changed main menu on the OPPO BDP~105 set~up to Split A/V and it works like a charm .... My next dilemma: Since HDMI 1 carries the Oppo internal video processing and HDMI 2 is enhanced audio........which output should I use in my Meridian HD621.......am presently using HDMI 2 but occasionally watch 480 DVDs ............which especially can benefit from the OPPO's video enhancement processing?

Or do I have to keep swapping cables to get the best of both worlds?

Any alternative solution.

Thanks in advance.

Why change cables? Connect both HDMI1 and HDMI2 to different inputs on the HD621 and choose with the remote control. Since I care little about the video, I simply use HDMI2 in both my systems.

Post by old-dog-newtricks March 11, 2013 (35 of 39)
I know this is taking this thread in a slightly different direction but I wonder if anyone can explain a couple of things for me. (A/V systems are still a bit new to me!)
I have just discovered the DTS Neo 6 setting on my receiver (Marantz 5004). It seems to create centre and surround channels from a stereo source. With TV is seems to be able to completely separate voices from background sounds which is very clever! Can anyone explain how it works? Secondly what effect will it have on the sound quality of SACD stereo discs? Also, I have a Delos CD which claims to have Dolby encoded multi channel sound. Is this Neo 6 setting the way to access the surround sound from this disc or is it just creating an artificial surround effect?

Post by dobyblue March 11, 2013 (36 of 39)
talisman954 said:

You sir are a genius
Now not only do I have SACD working in DSD, but since doing as you suggested it resolved the issue so I can keep HDMI connected and not have to disconnect hdmi to my tv just to play my SACD.
Thanks to everyone that helped.

I spotted that was a different setting than what they thought you were being told to do which was just turn HDMI monitor to OFF, which is what I do whenever I listed to my Pioneer Elite DV-49 over HDMI with the TV turned off whether it's SACD, DVD-A, CD, dts CD, etc., doesn't matter.

I will look for this additional setting to see if that cures the hiccup. I also have a TX-SR805, has no problems handshaking with DSD (uses PCM1796 DAC's) and I bought it because it could do DSD>Analogue without a PCM conversion.

The audio cuts out every 2~3 seconds if you don't have the TV on, so I have always just popped into the HDMI set-up and turned the monitor off. Sometimes my wife will call and say, "you left the stupid thing off again and I can't watch TV", haha, so hopefully this additional setting will avoid that in the future.

Post by Iain March 11, 2013 (37 of 39)
old-dog-newtricks said:

I know this is taking this thread in a slightly different direction but I wonder if anyone can explain a couple of things for me. (A/V systems are still a bit new to me!)
I have just discovered the DTS Neo 6 setting on my receiver (Marantz 5004). It seems to create centre and surround channels from a stereo source. With TV is seems to be able to completely separate voices from background sounds which is very clever! Can anyone explain how it works? Secondly what effect will it have on the sound quality of SACD stereo discs? Also, I have a Delos CD which claims to have Dolby encoded multi channel sound. Is this Neo 6 setting the way to access the surround sound from this disc or is it just creating an artificial surround effect?

My Denon AVR is designed by D and M Holdings which also design Marantz AVR.

My findings over the past couple of years is that Dolby PLII-Music DSP creates more realistic surround effect from 2-channel sources than DTS-Neo-6 DSP; especially from music source material.

Denon have the following Dolby PLII DSP features:
1) Dolby PLII-Cinema
2) Dolby PLII-Music

.....use the correct DSP based on source material. Marantz may offer these as well. If so, try them and let us know what your conclusions are.

Post by sibelius2 March 11, 2013 (38 of 39)
old-dog-newtricks said:

I have just discovered the DTS Neo 6 setting on my receiver ... Can anyone explain how it works?

First off, let me say that I agree with Iain in that I much prefer Dolby Pro-Logic II to DTS Neo 6 when it comes to converting stereo to surround.

The following is admittedly a bit over-simplified:

These DSPs analyse the two-channel source signal and look for a couple key factors. Any sounds which are dead-center in the stereo image (i.e., exactly equal strength in both channels) get diverted to the center speaker. Sounds which are out-of-phase get diverted to the rear speakers.

As with so many things, the technology behind this was developed for home theaters. The idea was that when watching a movie or TV show, the dialog would come from the center speaker and thus give the impression that the actors' voices were coming out through the screen itself. Meanwhile, reverb, wind, rain, applause, and other similar sound effects are naturally out-of-phase, and putting those sounds in the rear speakers helps give the audience the impression of sharing the same space as the performers.

When a CD is marked as being Dolby encoded (Telarc used a system called Spatializer in the years leading up to the introduction of SACD) it means that the label has mixed the stereo tracks with surround playback in mind, rather than leave it up to chance. (I have a Philips CD recorded in 1992 whose booklet includes a full-page description of their efforts to capture the reverb patterns of the venue.)

What I've concluded in my years of listening is that the better the source material, the less processing it needs to sound good. Thus, I'll listen to a stereo-only SACD in Direct mode (no processing at all,) whereas I'll always turn on Dolby PL II-Music for an RBCD or mp3.

Post by rammiepie March 11, 2013 (39 of 39)
Kal Rubinson said:

Why change cables? Connect both HDMI1 and HDMI2 to different inputs on the HD621 and choose with the remote control. Since I care little about the video, I simply use HDMI2 in both my systems.

Since the Meridian HD621 only has one HDMI output going to my Meridian projector, I'll probably have to switch HDMI cables for optimum audio/video capability. If the 621 had two HDMI outputs, that would certainly solve the problem to utilize the Samsung 22" monitor for initial set~up rather than firing up the projector for that purpose (those color coded buttons on the OPPO remote don't always work to select BD audio codecs).

The trials and tribulations.........

But thank you Kal.

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