"Official" Audyssey thread (FAQ in post #51779) - Page 2517 - AVS | Home Theater Discussions And Reviews
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post #75481 of 75487 Old Yesterday, 04:54 AM
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Originally Posted by AustinJerry View Post
Changing the setting to 30 indeed fixes the Safari issue. Don't know why Forum default setting doesn't work. Maybe because we have crappy forum software.
Maybe it depends what the poster has their number of posts set to?! Either way, I agree with your last statement.
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post #75482 of 75487 Old Yesterday, 08:21 AM
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High-Back Couch

I have a high-back couch. How much higher should the measurements be taken than the back of the couch, especially for 7 and 8? Thanks. Ear level is a couple of inches below the top of the couch.
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post #75483 of 75487 Old Yesterday, 09:47 AM
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Originally Posted by johnnymacIII View Post
I have a high-back couch. How much higher should the measurements be taken than the back of the couch, especially for 7 and 8? Thanks. Ear level is a couple of inches below the top of the couch.

The main reason to get the mic. higher than the back of the couch is to let it "see" your rear speakers. So, a lot depends on whether you have rear speakers, how high they are, whether they are angled down, and so on. In general, taking a couple of measurements, in whatever order after #1, two to three inches higher seems to work pretty well. Three inches should get you just clear of the top of the sofa. If your couch is the leather one in your photo, it would be a good idea to cover it with a blanket or an absorbent towel, during calibration, to avoid comb filtering due to proximity to the mic.
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post #75484 of 75487 Old Yesterday, 01:49 PM
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Originally Posted by mthomas47 View Post
The main reason to get the mic. higher than the back of the couch is to let it "see" your rear speakers. So, a lot depends on whether you have rear speakers, how high they are, whether they are angled down, and so on. In general, taking a couple of measurements, in whatever order after #1, two to three inches higher seems to work pretty well. Three inches should get you just clear of the top of the sofa. If your couch is the leather one in your photo, it would be a good idea to cover it with a blanket or an absorbent towel, during calibration, to avoid comb filtering due to proximity to the mic.
Thanks for the great info. My surrounds are 2.5 feet above my head. Yes, the couch is identical to the one in the picture. I was just worried about position 7 and 8 since it looks as though from the diagram that they are over the back of the couch. Since the FAQ thread had stated that the mic should be 12-15 inches from the couch back I was unsure whether or not that was the case for vertically as well in accordance with position 7 and 8 since the back is directly below those measurements.

So 2-3 inches above the couch back for 7 and in 8 should be fine then? Thanks.
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post #75485 of 75487 Old Yesterday, 02:05 PM
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Originally Posted by johnnymacIII View Post
Thanks for the great info. My surrounds are 2.5 feet above my head. Yes, the couch is identical to the one in the picture. I was just worried about position 7 and 8 since it looks as though from the diagram that they are over the back of the couch. Since the FAQ thread had stated that the mic should be 12-15 inches from the couch back I was unsure whether or not that was the case for vertically as well in accordance with position 7 and 8 since the back is directly below those measurements.

So 2-3 inches above the couch back for 7 and in 8 should be fine then? Thanks.

You are very welcome.

The reason for staying 12"-15" from the couch back is to keep the Audyssey microphone from getting too close to the hard surface of the couch. If it does get too close, it may overcorrect high frequencies due to the spurious reflections bouncing from the couch into the mic. Using a blanket helps to solve the same problem, so you can actually get much closer to the couch back. With the blanket, even 6" away should be fine. As far as mic. height goes, stay about 6" forward, and then just barely clearing the top of the couch should be okay. So just go up about 3" from Position #1 rather than 2"-3" above the top of the couch. You want to keep everything fairly close to ear level if you can.
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post #75486 of 75487 Old Today, 02:13 AM
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That second post of Roger's is a really good one. Like yourself, I tend to listen pretty closely to whatever he has to say.

This seems like a good opportunity to thank you once again for your commitment to this thread. I think you ought to hear periodically that your effort is appreciated. Creating the original FAQ was a lot of work, even though a number of others collaborated. Maintaining it, with updates and new links when necessary, is an ongoing time commitment, as well. I particularly like that you continue to be a helpful and enthusiastic participant on the thread even though you have moved on a bit with respect to Dirac Live. So, thanks!
Thanks for those kind word. Very much appreciated.
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post #75487 of 75487 Old Today, 06:47 AM
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I have a question related to LFE.
I notice that at large explosion scenes, at some points it seems there is big stone in my sub cabinet that is bouncing inside. (Sorry, it's hard to explain).
Does this mean the sub is falling short to reproduce the content? If so, would adding a sub resolve the issue.
(As for settings, the sub is optimally placed in the room and Audyssey has set my sub to -11.5 dB. I have made it hot by 3.5db by setting the offset in the "Channel Level" for the input. (on Denon) ).
Appreciate your help.
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