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Multichannel listening

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seethroughyou
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seethroughyou posted on Fri, Jul 3 2020 2:52 PM

I realise this is very niche but a few years ago, I was in a pro audio dealers room filled with mixing desks, converters, old Studers etc etc. The room was setup with multiple studio monitors and connected to a Merging multichannel DAC playing multichannel DSD files. That was the closet that I’d ever got to real music. The echoes, reverberations, colours surrounding me was unbelievable. The 3D direction of sound was convincing, digestible and thrilling. At the time, I  was auditioning all sorts of stuff around the country (exclusively 2-channel) and I decided that moving to natively recorded multichannel to multichannel reproduction might be a step too far and far from home- friendly with speakers everywhere. I opted for the best of Bang & Olufsen BL90 which I must say has not disappointed one bit. I have an exquisite sounding system and am a very lucky boy indeed. However, fast forward and that memory of genuine multichannel has caught up with me.

Has anyone experimented with genuine multichannel or heard it?

i know Geoff mentioned that he had an OPPO capable of doing multichannel and if anyone else had experienced with the multichannel output?

I can’t buy help think that aside from 99.9999 of the population where a mono soundock is the norm, but for those that desire the ultimate experience, this might be the ultimate musical destination?

Can multichannel be done with B&O?

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beojeff
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I've played the 1812 Overture SACD through my BeoSystem 4. You actually change the setting so that the LFE channel is used for height via speakers set at the "ceiling" role. There is a warning on the SACD to play it with the volume lower than usual until you hear just how loud the canons are shooting overhead!

Jeff
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Jeff replied on Fri, Jul 3 2020 4:44 PM

I've heard multichannel music at various times, the potential is definitely there, the problem, as with the original quadrophonic, is getting source material. I have a CD of the music from Blade Runner, by Vangelis, recorded only in Dolby Pro Logic, not even Dolby Digital, just simple Pro Logic, and on a decent surround 5.1 system it sounds just jaw droppingly stunning. I had at one time a demo DVD-A disc, full 5.1 digital, which included some Diana Krall and Donald Fagen stuff that would just send chills down your spine, the Krall especially was like you were there in the venue with her.

Back in the day Yamaha was really into pushing multi-channel, they had a lot of processors/receivers that had very advanced surround processing to go from 2 channel to multi channel, using DSP algorithms based on measurements of real the venues. They'd take a very large array of mics into various places, jazz clubs, concert halls, etc. and measure them and use that as a basis for expanding the 2 channel audio up to 5 channels, or more, plus they had a lot of generic and user adjustable settings. Over time the number of options got less and less, I suppose no one really was using the full capability and were unwilling to pay for it. Also, I've heard these before, and all too often they were setup with the surround channels set way too high in volume, which made the whole experience more "gee wow" rather than musical and it got on your nerves quickly. Ideally you should not be aware of the surround channels, just have a feeling of more involvement and envelopment.

But then, there's a reason this goes nowhere even though good multichannel has the potential to be orders of magnitude more effective at capturing music than additional high end wires or such, it's hard to find people these days willing to even implement a proper 2 channel stereo rig. Look at the proliferation of soundbars and single point stereo speakers (new Balance for example), not many people are willing to do what's needed for truly exceptional sound, and without a base of support no one is going to record for it. It's a chicken and egg thing, no content, no thing to listen to, no one will buy multichannel rigs, so no reason to record for them.

Jeff

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politician
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Yes, multichannel recordings can sound very impressive through a B&O setup. My system uses BeoLab 90s as fronts, Lab 50s as rears and a Lab 10 as centre. My system is capable of playing 5.1 Blu-rays, DVD-As, DVDs, SACDs and downloads as well as quadraphonic vinyl and eight-track cartridges.

seethroughyou
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I’m trying to figure out how to shift into multichannel...

What processes and distributes the multichannel?

 

 

TWG
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TWG replied on Fri, Jul 3 2020 6:11 PM

seethroughyou:

Can multichannel be done with B&O?


Yes!

Enjoyed it at home with Sony S500 Blu-Ray and Denon 2500 Blu-Ray Transports through a Beosystem 3. Works fine and sounds good.

 

A VERY good recording to test it is the Blu-Ray "Quiet Winter Night" from Hoff Ensemble.

The first time I heard it was a demonstration with multiple professional GENELEC monitor speakers and it was like a live experience. It sounded  like I was right there within the church where they recorded it as the speakers where "acoucistcaly invisible" (Geoff, please correct me if I used the wrong term; I currently have no better description).
Great experience!


Another recommendation (but I don't know if they do multi channel as well): Stockfish records in Germany.
They are like scientists to achieve the highest quality recordings.

Carolpa
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seethroughyou:
Can multichannel be done with B&O?
Yes.

The way to go is using a BV as sound processor. BV11 / Beosystem 4 work nice because the Homemedia app of the system can handle streaming (DLNA) multichannel files.

But also the Eclipse and Harmony will do fine. But for now you will need a media player suchs as an Oppo bluray to play multichannel music.

 

I use two BV with multiple BL speakers to listen to multichannel DVDA, SACD, Blurays, Streaming files (WAV, FLAC, DSD)

Millemissen
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seethroughyou:

I’m trying to figure out how to shift into multichannel...

What processes and distributes the multichannel?

I agere completely Winther Carolpa.....in fact Thatcher is Wat a Bang & Olufsen tv has been able to do nok for decades.

If you want to dive into the World of multichannel music, you can get lots of tips and inspiration here

https://www.youtube.com/channel/UCHccMPbwt4dG9DP7jG-8yZQ

There is plenty of music out there.

If you want to listen to something, that was intended from the start as multichannel, here you go: 

https://www.itrax.com/

The recordings of Mark Waldrep are excellent in any aspects.

 

Of course it is cruzial that you have a well configured multichannel/5.1 setup.

Wirh the B&O tv's/sound processors and the BL speakers - especially the later ones - you have a good starting point.

 

MM

 

There is a tv - and there is a BV.

Millemissen
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Sorry....I noticed too late that 'autocorrect' was enabled on this devices ;-((

MM

There is a tv - and there is a BV.

trackbeo
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If you have the time for a rabbit-hole with one expert's opinion, use your favorite internet search engine to look for "floyd toole multi-channel surround music" or similar.  I don't remember if he mentioned specific discs, but he definitely posted pictures of his own home setup.

Millemissen
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Floyd Toole's book is the bible for anyone, who is seriously interested in audio (and multi channel audio).

Here is one source for it: 

https://www.amazon.com/Sound-Reproduction-Psychoacoustics-Loudspeakers-Engineering-dp-113892136X/dp/113892136X/ref=mt_other?_encoding=UTF8&me=&qid=  

MM

There is a tv - and there is a BV.

trackbeo
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Agreed, but that's "heavy lifting" whereas Toole's anecdotal responses in various forums are easy reading and have interesting tidbits as well.  He or Kal Rubenstein (author of "Music In The Round" column in Stereophile magazine) have probably already been read by the OP, but mentioning them here just in case, and for future searchers...

Millemissen
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seethroughyou:

I’m trying to figure out how to shift into multichannel...

What processes and distributes the multichannel?

Videos like this conversation between Gene and Matt from Audioholics indeed can give further guidance in what is needed for setting up a room for multichannel audio.....highly recommended!

https://youtu.be/shHY7EHY4MA

Please also notice the link to the mentioned article from Dr Toole.

MM

There is a tv - and there is a BV.

Millemissen
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@trackbeo

Sure, but I wanted to mention his book, because it is proof that this guy talks and advices from a long life of research.

You simply have to know of Dr Toole because a lot of 'rational audiophiles' are referring to (and build upon) his work constantly.

MM

There is a tv - and there is a BV.

seethroughyou
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What other speakers would you recommend for the rest of the multichannel?

Beolab 3s instantly spring to mind for their focused acoustic lenses.

I’m not sure I want a Beovision in the room due to space and aesthetics. Can the Beosystem operate without a screen or should I get an AVR?

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