9.1, 10.2, and now 11.2? huh? - AVS Forum
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post #1 of 13 Old 08-07-2007, 04:15 PM - Thread Starter
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I dont see how the setup works, can someone make a diagram or something or how one would setup such formats?
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post #2 of 13 Old 08-07-2007, 06:06 PM
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There are no standardized 9.1 or 10.2 or 11.2 set-ups. For example: I've seen proposals for 9.1 set-ups where the additional 2 speakers are directly overhead, or high up on the front wall, or at ear level outside the front L/R speakers, or between the L/C/R speakers, etc.

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post #3 of 13 Old 08-07-2007, 06:09 PM
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wow, with that many speakers, i'd go to the theaters. hehehe...
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post #4 of 13 Old 08-07-2007, 06:23 PM
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post #5 of 13 Old 08-07-2007, 09:54 PM
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Just remember, it's Yamaha's own DSP. I have not heard any rumors of DTS or Dolby Digital adding height cues.

"But this one goes up to 11"
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post #6 of 13 Old 08-07-2007, 10:04 PM
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I think it would be great, if Yamaha could implement it properly.

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post #7 of 13 Old 08-08-2007, 01:35 PM - Thread Starter
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but if one did by such a receiver, how would u setup the speakers. I'm sure they just didn't add extra channels without doing proper analysis, and make a proper diagram on how to place them.
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post #8 of 13 Old 08-08-2007, 02:43 PM
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The front and rear presence channels are set up behind the LR mains and behind the rear surrounds. They are shown as mounted up high the walls almost at ceiling level.

Seems like trial and error would be involved in getting it right.

"But this one goes up to 11"
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post #9 of 13 Old 08-08-2007, 03:30 PM
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Quote:
Originally Posted by infamo View Post

but if one did by such a receiver, how would u setup the speakers. I'm sure they just didn't add extra channels without doing proper analysis, and make a proper diagram on how to place them.

The presence speakers are placed on the front wall (in 9.1/2) and back wall too (in 11.1/2) outside the front and rear speakers and, like the surrounds, about 6-7' high.

They are there primarily for simulating the acoustic of a performance venue with appropriate reverberation. In the front, they can also assist in raising the perceived height of the dialog, which is helpful when a center positioned below a display produces dialog that otherwise is perceived too low.

Literally decades ago Yamaha conducted research into live acoustic spaces and built the results into a VLSI chip that they use to simulate actual performance spaces around the world.

I would love to hear from some members that use the presence speakers as to their effectiveness for different types of music. The theory is great and I would like to know how it does in practice. This is an aspect that has always intrigued me. Lexicon offers much the same but without the presence speakers.

For the .2 sub LFE chanels Yamaha allows dual subs in either mono, L/R stereo, or front/back configuration (at least in the Z series).

Cheers,

Gary
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post #10 of 13 Old 08-08-2007, 07:32 PM
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Quote:
Originally Posted by itigap View Post

The presence speakers are placed on the front wall (in 9.1/2) and back wall too (in 11.1/2) outside the front and rear speakers and, like the surrounds, about 6-7' high.

They are there primarily for simulating the acoustic of a performance venue with appropriate reverberation. In the front, they can also assist in raising the perceived height of the dialog, which is helpful when a center positioned below a display produces dialog that otherwise is perceived too low.

Literally decades ago Yamaha conducted research into live acoustic spaces and built the results into a VLSI chip that they use to simulate actual performance spaces around the world.

I would love to hear from some members that use the presence speakers as to their effectiveness for different types of music. The theory is great and I would like to know how it does in practice. This is an aspect that has always intrigued me. Lexicon offers much the same but without the presence speakers.

For the .2 sub LFE chanels Yamaha allows dual subs in either mono, L/R stereo, or front/back configuration (at least in the Z series).

Cheers,

Gary



gary i had a yamaha rx-v2095 and i used the presense speakers and when i had the enhanced pro logic or stadium modes on it actually add more realism to the soundfield. damn i sure do miss my 2095
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post #11 of 13 Old 08-08-2007, 08:05 PM
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Quote:
Originally Posted by cheezycheech View Post

wow, with that many speakers, i'd go to the theaters. hehehe...

The audio quality in theaters is crap. The source itself is less than what's on DVD.

So if you have a huge room, have quality speakers and equipment, you'd be beyond theaters.

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post #12 of 13 Old 08-08-2007, 09:06 PM
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Quote:
Originally Posted by ttskyline2001 View Post

gary i had a yamaha rx-v2095 and i used the presense speakers and when i had the enhanced pro logic or stadium modes on it actually add more realism to the soundfield. damn i sure do miss my 2095

Good to know. Did you try it for classical or other music venues smaller than a stadium?

Cheers,

Gary
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post #13 of 13 Old 08-08-2007, 09:41 PM
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Quote:
Originally Posted by eightninesuited View Post

The audio quality in theaters is crap. The source itself is less than what's on DVD.

So if you have a huge room, have quality speakers and equipment, you'd be beyond theaters.

i know, i was just being sarcastic with the amount of speakers in a personal theater compared to a movie theater. however, some of the imax theaters have excellent sound for a room that big!!
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