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In Reply to: RE: Sure posted by E-Stat on March 21, 2009 at 17:55:12
Have you ever read the requirements? To make the statement you made is simply propagating misinformation IMHO. Here is a bit of what's involved, lifted from another site:
"Not a standard by itself, THX Home Cinema aims at delivering cinema-quality picture and sound to the home. At the same time…
Many do not have a true understanding of what the THX certification system and related technology is all about, nor what the different labels found on home theater THX certified gear really mean, yet to the 'everyday consumer', the 'THX' label signifies that the highest standards have been used.
Expressed differently, the THX Home Cinema certification program has been designed such as to fit the different surround sound technologies in their totality, into high-end home theater systems.
This means that THX is all about the technically competent and correct reproduction of any video and audio content - one that closely replicates the monitoring environment in the studio."
There is no claim made regarding specific "hi-fi" performance, only the claim that it mimics the studio. Applying typical hi-fi audio standards to it is like rating lawn mowers by their 0-60 MPH acceleration times!
Continuing...
"Major aspects of the THX Home Cinema certification program include:
*Re-equalization to compensate for the differing tonal balances that are appropriate in home theaters versus movie theaters, thus reducing the normally higher treble associated with the latter.
*Timbre matching to complement the tonal qualities of the front and rear speakers to create a more uniform surround soundstage.
*Decorrelation of the surround channels in Dolby Pro Logic surround systems. The scope is to introduce minor diversity to the mono-surround channel serving the two rear speakers in this surround format, thus leading to a more diffused feel. This helps avoid the collapse of the centered rear soundfield produced by this monaural signal to the speaker closest to the listener. The latest THX Home Cinema certified receivers include adaptive decorrelation that automatically switches off the related circuitry when not required e.g. in Dolby Digital.
*Bass management based on a precise crossover cut-off point at exactly 80Hz, and a defined sub-woofer ‘slope’ driver response. While THX recommends using a sub-woofer and setting all other speakers to 'small' to be able to place the subwoofer at the best sounding position in the room, at the same time, it also supports other options, including that of mixing the bass information from the left and right channels with the sub woofer channel.
*Amplifier Specs that are much tougher than on non-THX certified gear; these include the ability to drive low impedance (3.2 Ohms) speakers while still producing a volume level of 105dB.
*A THX reference level (of 75dB) that aims at reproducing the same level, at which the movie was mixed in the studio.
*THX Optimizer or Optimode for DVD movie releases. This places a set of test patterns on the disc to enable the home theater enthusiast to tweak the video display to the same settings as used during the production stage."
There's a lot more about the process at the link I posted.
Why don't you post a list of the products you claim are THX certified - and list the standard they claim certifies them - but don't meet your standards?
Follow Ups:
If not, here's a great replacement conveniently found at Walmart.
rw
No, my AR-9s are not certified, they are full range speakers. But my Vance Dickason designed home theater speaker system I built is, and it's superb. Of course it cost much more than the product sold at Wal-Mart.The AR-9s make gorgeous music, the HT system makes great movie sound. I wouldn't dream of switching them. They are doing two different tasks, which it seems you have a hard time grasping for some reason.
BTW, did you notice how high the customer ratings are on the Logitech product you linked to? For a non-audiophile these appear to be a very pleasing purchase. I'm sure there are far better THX certified speaker systems out there, but even this system appears to be very satisfying.
You still don't seem to understand what the certification represents. If you did, you'd know that THX is not a standard you would seek in order to certify the ultimate in general audio system performance. It's a HOME THEATER standard - that's not the same thing. It's designed to help people select components that will help them reproduce (as much as room/budget/WAF/etc. make possible) the movie theater performance. That's it.
But if it makes you feel better to mock me then go ahead. I just won't be replying anymore. You have at it though.
Edits: 03/22/09
...did you notice how high the customer ratings are on the Logitech product you linked to?
I sure did. Here are some memorable comments:
"Movies, music and games all sound incredible... {We're talking triple threat here}
Turn the whole system up for some sound that'll annihilate anything in front of the speakers...
Not gona lie, my girlfriend is jealous of my speakers..."
I think that about says it all.
You still don't seem to understand what the certification represents.
Sure I do. Just read the commentary about speakers from the text you excerpted:
...designed such as to fit the different surround sound technologies in their totality, into high-end home theater systems
Boy, those "high end" Z-2300 babies really do define the totality of the experience! I'm delighted that you find the standards provide a useful frame of reference. Sorry, I don't.
rw
Look, I've tried to be nice and have a respectful conversation - but as I saw in your posting history that's often not your style.Don't go putting words in my mouth.
You took a part of the article I copied and used it out of context. That's a typical tactic when you have no facts to back up a position. I posted the link so anyone could read the ENTIRE article I excerpted; that way nothing is out of context. You have NOTHING to back up your position, nothing except twisting the words of others.
Show me where I ever said the Logitech setup was high end - go ahead, show us all. I said only that the people that bought it liked it. The rest of what you posted is just stuff you made up.
I made an exception to reply again in this case, because you distorted what I said to suit your purposes. You are entitled to have an opinion - you are NOT entitled to twist my words around and represent the result as if I said it.
Express your opinion, agree to disagree, whatever. But don't play word games with my posts.
Edits: 03/22/09
would lead you to believe that their standards are rigidly based upon qualitative standards. They are not. Some THX stuff is exceptional. Some is crappy. Folks reading your excerpt about the THX standards might reasonably believe that ALL THX certified components live up to the promise as stated in the text. Obviously, such is not the case. I didn't take anything out of context. The criteria for speakers is demonstrably a joke with the inclusion of the Logictech computer speakers.
...because you distorted what I said
Whatever did you say that I "distorted"? I agreed that folks really liked the $150 powered speakers. I based my notion of "what the certification represents" on the ad copy you provided.
It would really be a useful tool if the THX standards weren't watered down to the point of irrelevancy. Sorry if you don't appreciate my sense of humor. :)
rw
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