13.1 Surround Sound Coming to a Home near you?
An anonymous reader writes "Need to see the anatomy of a codec? Dolby Digital plus is starting to make inroads in the audio world and this article gives you the technical insight into the Enhanced AC-3 codec. Will consumers soon be getting the full 13.1 audio system that we hear in movie theaters?"
I just can't imagine this. I've already got a mountain of wires, with my 7.1 home theater system. I've got about half of those speakers, biwired, with 25 foot length Monster Cables. That, in addition to the tangle of other wires needed to make this mess all work.
I keep looking at my room, and thinking about what it would look like with almost twice the amount of wires I already have, and almost twice the number of speakers. Maybe I'll have to move some furniture out. Heh Heh. And my Denon 7.1 reciever weighs in at around 62 lbs. Guess with a new 13.1 reciever, I might have to re-enforce the floor to hold the added weight. Heavy duty cabinet to. And with all the added heat this monster will put out, maybe some more air conditioning too.
I don't know what everyone else will think about 13.1, but it kind of seems like overkill to me. I already, at times, wonder if there is really that much advantage in a 6.1, or 7.1 system, over a 5.1 system.
I guess if you spend money to buy all those speakers, it BETTER sound better, or at least you've going to tell yourself it does. Heh Heh.
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13 discrete speakers and a subwoofer?
Coming to a home near me?
Rrrriiiiight.
See, I have what we call "2.0 surround sound". It "surrounds" me from both corners of my living room.
.. but whats the deal with that huge ass banner on the link?
If you sell it, some rapper/actor/athlete will buy it.
13.1 is probably only going to be for the seriously wealthy. Here in the UK, houses are generally pretty small and 7.1 is difficult to incorporate and offers no advantage over 6.1 (as your rear surround speakers are only about 4 metres apart - the rear centres of 7.1 are only going to be a metre or two apart - plus the rear centres in so-called 7.1 actually carry identical sound from the 6.1 mix).
So firstly, where does the encoding of these extra channels come from? Secondly, only a few elite people will ever need/be able to afford/be able to accomodate this.
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At least, not if my wife has anything to say about it.
I,
Can hear it now. Channel 11 has the whiny kid positioned about five feet ahead of me to the left and channel 8 has the mumbling of the jerks who refuse to stop talking to my direct rear.
Perhaps we can get some 13.1 sensurround where a Dolby foot in tune with nothing constantly kicks the back of your recliner as well.
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More speakers in home theatre set ups will just waste money and space. Sound can be easily projected with as few as 4 well-placed speakers (plus one subwoofer), and its a great deal easier to set up. I can safely guarantee that 99% of homes with 13 speakers will have them placed wrong.
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While 13.1 may be appealing to people who need to have the next greatest thing, this will be useless for any significant market. How many home theaters have the correct shape, paneling, furniture placement, and size to take advantage of the acoustical advantages of so many channels? Even at 5.1 channels, I can tell that the acoustic signature in the seat next to me is different -- and less perfect. How will this change with 13.1?
"Trolls they were, but filled with the evil will of their master: a fell race..." -- J.R.R. Tolkien on Olog-hai
The only reason you really have that many speakers in a movie theater is because, well...it's big! I think 10 speakers is really the max for a home theater, and even that for the people who can devote a room to just a theater. My perfect sound setup would be a center, 2 front, 2 mid, 2 back, 1 directly behind, and 1 pointing down from the cieling. So that gives you pretty much full surround sound, as not much tends to happen below people in movies.
For the average joe though I think 7.1 is pretty good, considering most people tend to get the cheapest speakers they can get, usually those ones that come with the theater packages, $199 for 7 speakers. I think the amount of speakers is less important than quality. I would rather be stuck in stereo with two very high quality speakers, than surround sound with 7 crappy ones.
Just think of the dumb people that will get talked into this by salesmen. "Oh yeah, you NEED 14 speakers to really hear the movie like it was meant to be"
If I'm going to go for overkill, I'm going all the way.
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I don't know why so many people are complaining. 13.1 should be a dream come true. You can utilize your old speakers AND listen in the bathroom. Now that's luxury.
I think what we need to realize here is that just because the technology will be available to place in our home, doesn't mean we can reproduce the same or even a similar effect in our home. The acoustics of a standard living room are dramatically different than that of a movie theater.
Sound tech 1:"Okay everyone, sound check!"
Sound tech 2:"Cue Leonard Nimoy"
Sound tech 3(quietly):"Leonard Nimoy!? Why?"
(LN):"Because he grew up a few blocks from here!"
It's small part of the Boston Museum of Science's Omnitheater sound check, and they even put lights on each channel's speakers behind the screen so you can see them as each channel is "checked". Then they do a driver through Boston traffic with an omnimax camera on the bumper of a car. And speed it up at least 2x. Even the most die-hard Boston taxi driver will grip his seat :-) Oh, and yes, Nimoy narrates the whole intro.
Then you do a helicopter trip over parts of New England, coming into a harbor in Maine...then on the docks. Ahhh, peaceful, quiet, much better you think.
"Hey CHaaaalie. They folks whanaaah seeah lobstah!" And then you get presented with a live lobster...full screen width, up close and personal, an inch or two from the lens, complete with squishy/squeeky noises :-)
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I don't think the 13.1 in this story is 13.1. I think it reflects the theatres' 13.1 speaker implementation of 5.1 channel sound.
...1...2...3...
....4.....5....
SPEAKERS:
3 across the front
4 down each side
2 at the back
CHANNELS:
#s 1-5 played back over speakers like this:
4.............5
4.............5
4.............5
4.............5
I always find that pure stereo sounds better than most setups. This is probably because a multichannel setup cost 2.5 times the amount to set up with the same quality speakers, amps etc., and most people don't have the money to do that, so they just use cheaper components to get more channels for the same investment.
The new Infiniti M already has 14 speakers:
i d-32005,00.html
http://www.infiniti.com/content/0,,cid-123089_sct
You'd probably be able to add the receiver using the optional towing package.
Is just 5$!
But I bet you will charge $37.50 for a microwave bag of popcorn and a can of soda...
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Why bother with any of this home theatre crap? It costs a lot of money and the standards are always changing, so there's always going to be something new/better on the horizon. Thank goodness I have decent theatres near where I live - I'm simply going to ignore home theatres and continue to enjoy taking my wife out on movie dates.
Would someone tell me how this happened? We were the fucking vanguard of audio in this country. Stereo was the system to own. Then the other guy came out with an 6 speaker system. Were we scared? Hell, no. Because we hit back with a little thing called 5.1 surround. That's five speakers and a subwoofer. For Bass. But you know what happened next? Shut up, I'm telling you what happened - the bastards went to 8 speakers. Now we're standing around with our cocks in our hands, selling five speakers and a subwoofer. Surround sound or no, suddenly we're the chumps. Well, fuck it. We're going to 14 speakers.
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I worked as a projectionist and projectionist manager in a movie theater for about 5 years. I can honestly say that while the notion of 13.1 surround sound is all well and full of prospects, the economic figures do not support it. How many theaters have you seen with 13.1? Also, the space in a theater is scores more than that of the average living room. Isn't 13.1 going a bit overboard for home systems. Uber- rich afficinados go to hell thanks. :)
Most movie houses I have been to on the east coast don't have the "full 13.1 audio system that we hear in movie theaters". Best I have experienced is 7.1 and that is plenty enough IMHO.
Also, the exhibition part of the food chain (the theaters) is strained enough as it is. Most chains and not to mention independent houses can't afford to constantly upgrade the technology upstair in the booth. A lot of DTS or Dolby Digital theaters actually only have 2 or 3 units that they wheel between screens. Analog is still prevalent.
Lastly, there is limited physical space on the film. The inner track is mono, then stereo, Dolby Digital is speckled on the film track. DTS is on a disc that is sync'd using a timecode marker on the outer edges of the film. Im still uncertain where they fit a 13.1 signal on the film surface? (Obviously this doesnt affect a HD-DVD at all.)
So I again ask: Why?
I still don't see how more "realistic" sound improves ANYTHING. I don't particularly want to be scared by the sound of a cow fifty meters offscreen when I'm trying to listen to dialogue. Plenty of the worlds BEST films were filmed with NO sound.
This article is of course missing that no cinemas (other than IMAX which I don't know about) have 13.1 surround sound setups! Cinema formats are roughly as follows Dolby A & Dolby B - Mono, Analog, drawn on the side of the film Dolby Surround - Stereo, Analog, made to seem surround with some clever electronics. Dolby Digital - 5.1 Surround, digital data printed between the sprocket holes on the film Dolby Digital EX - 6.1 surround, same system as DD DTS - 5.1 timing signature printed on film, syncs it up with a CD or two. DTS ES - 6.1, same system SDDS - 8.1, data is on a magnetic strip on the side of the film. The vast bulk of cinemas you go to (even THX approved ones) have DD and DTS, some have SDDS and a very few have the EX and ES variants of DD. All cinemas support Dolby A, B and Surround. Bob
This thread got me searching;
you can find the cow one (and others) here: http://www.thx.com/trailers/
"The price good men pay for indifference to public affairs is to be ruled by evil men." ~Plato (427-347 BC)
I don't know what everyone else will think about 13.1, but it kind of seems like overkill to me. I already, at times, wonder if there is really that much advantage in a 6.1, or 7.1 system, over a 5.1 system.
Think about all the movies that you really like and then imagine them without surround sound at all. Just simple stereo sound. Does it really diminish the movies? I mean I like surround sound but I've been unable to set it up for a while now and honestly, I don't miss it.
It's a neat gadget, and sure, if I have the equipment and room for it, why the heck not. But frankly good movies don't need surround sound. For example, I have Crouching Tiger Hidden Dragon on DVD. It's a fantastic movie, and I've hooked up the surround sound to it. It is cool when a spear breaks and I hear the shards land behind my head. But if I didn't hear that, would it really make a difference to the movie? No.
So if you're talking 5.1 vs. 7.1 vs. 13.1, who really cares after a point. If it was easy to set up and I had the space for it, sure, that'd be neat, but in reality, it doesn't much matter.
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Three scalars give you triangulation, which will help you locate a specific location along TWO dimensions. This is how the "location" feature of digital cell phones works, how a surveyor's transit works, etc. For 3 dimensions, you add the "Z axis," which requires another set of points against which to triangulate. This is the point of 10.1 (which I have experienced personally) and 13.1. Current 5/7.1 systems leave the Z axis entirely out.
For that matter, why is 7.1 "better" than 5.1? Easy. Audio perception is far more directional than 5.1 can accommodate. The "mid-left" and "mid-rear" channels fill in the gaps that 5.1 leaves.
With that said, I'm quite happy to listen to South Park in 5.1 in my living room. Theatrical presentations will benefit from 7.1, and to the extent that presenters hope to achieve accurate reproduction of the original environment (so called "room shaping"), 10.1 and 13.1 are an absolute requirement. You can't reproduce the reverberations from a particular concert hall without accommodating the Z axis...
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it's funny how no matter how many speakers, they love to only have one subwoofer. 100.1? yeah, yeah, i know low frequencies are omnidirectional. but the "subwoofers" that most htib systems come with are just woofers. they have to go pretty high up in the freq range to compensate for the tiny, cheap satillites. that kinda kills the "omnidirectionalness". with most cheaper systems i've heard it's pretty easy to "hear" where the subwoofer is placed. maybe the next wave will be walls and ceilings that are just a matrix of tiny speakers. they could be controlled like an lcd panel. you could have almost infinite flexability in created real life sound. or you could just go outside..
I just don't understand this whole need for such detail in Surround Sound. 7.1 is more than enough to fool the human ear into comprehending the perceived location of an audio source, at least on a two-dimensional level.
.1 is an overhead speaker to truly add a third dimension to sound. I can only imagine what it would sound like to have a jet in Top Gun or similar movie go from left front to top channel to rear right! That type of 3D audio would be far more impressive than using six more 2D speakers that can just as easily be replicated by positional audio between two existing speakers. The recent technological advances in flat speaker and wireless technologies would make a "ceiling speaker" easier to implement than many people would think.
Objective: Have the sound come from what appears to be speakers 4 and 5.
Common Sense solution: Equalize the specific sound between speakers four and five to simulate its location between those two speakers.
13.1 solution (or so it would seem): Come up with a new set of codecs, equipment, and speakers to actually have the sound come out of another speaker!
By the way, the Common Sense solution is free to existing 7.1 and to a lesser extent 5.1 owners.
Personally, I want an additional sound channel to get a 5.1.1/7.1.1 solution where the added
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You won't really need 14 speakers for it. I'm sure Bose will be quick off the mark with a system that emulates 14 speakers using two tiny boxes and a subwoofer. And it will sound just as crappy as everything else they make.