"Official" Audyssey thread (FAQ in post #51779) - Page 2407 - AVS Forum
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post #72181 of 72187 Old Today, 03:42 AM
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Originally Posted by rickardl View Post
Just PLIIz, no Neo:X on my 3008. If I recall correctly, DSX sounded smoother and had better surround envelopment, less edgy than PLIIz.
It seems unlikely that DSX would give better surround envelopment when it is reducing the level of the surrounds by a full 3dB.
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post #72182 of 72187 Old Today, 03:46 AM
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You were a "Mad Man?" Is the TV series (Madmen) authentic?
LOL. Depends what you mean by authentic. It is based on real life in an ad agency but it is 'exaggerated'. Working in advertising is certainly the most fun you can have with your clothes on.


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I remember when I bought a Teac reel to reel that was advertized as having "hiss virtually below the limit of audibility." It hissed like a puff-adder in heat. I called Teac to complain, and they finally connected me with one of their engineers. He said, "Sometimes we have problems with our advertizing department."
You can’t get away with those sort of claims these days - there's too much regulation. What I'd say now, for that same RTR machine is "no tape machine has lower levels of hiss than the Teac XXX..." Meaningless, but sounds good
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post #72183 of 72187 Old Today, 03:49 AM
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Originally Posted by mogorf View Post
Should the Board here be able to get down to minute details of your query, you will surely benefit with a final solution, yet, another chapter may be added by Keith to the Audyssey FAQ for onward future reference.
'Pumping' is normally a term associated with tech like Dynamic Volume which compress dynamic range. I cannot recall anyone else ever having said that DEQ gives rise to a 'pumping' effect. I am happy to update the FAQ at any time, but this seems like a single, outlier case, so is best ignored IMO.
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post #72184 of 72187 Old Today, 03:53 AM
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Originally Posted by kbarnes701 View Post
It seems unlikely that DSX would give better surround envelopment when it is reducing the level of the surrounds by a full 3dB.
It depends on what the surround level is without DSX... if that is 3dB too high with Dynamic EQ, then a 3dB reduction makes it perfect.
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post #72185 of 72187 Old Today, 04:07 AM
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Originally Posted by rickardl View Post
It depends on what the surround level is without DSX... if that is 3dB too high with Dynamic EQ, then a 3dB reduction makes it perfect.
Haha - good point! Two wrongs make a right!
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post #72186 of 72187 Old Today, 04:27 AM
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Originally Posted by kbarnes701 View Post
Haha - good point! Two wrongs make a right!
We *could* interpret it like this: Audyssey silently acknowledged that the surround level indeed was too high with Dynamic EQ and therefore they "fixed" it with the DSX surround reduction. I think Roger alluded to that a long time ago.

If I remember correcly, DSX does the reduction even if Dynamic EQ is not enabled and that would indeed cause a too low surround level (if we assume Dynamic EQ sets it too high of course...).

Last edited by rickardl; Today at 04:38 AM.
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