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This topic comprises 3 pages: 1 2 3
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Topic: Is 35mm print standard 5.1 obsolete?
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Brad Miller
Administrator
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Posts: 17775
From: Plano, TX (36.2 miles NW of Rockwall)
Registered: May 99
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posted 02-01-2011 01:21 PM
quote: Manny Knowles IIRC it was easier to tell if a movie was ES because DTS gave those movies a 5-digit serial number instead of the usual 4-digit number. (Anybody else recall something like that?)
That is correct. Since Dolby didn't have a way to automatically sense the EX, people had to remember to enable or disable it. Most of the time it left undesirable results, but there was one movie "Vertical Limit" that I screened with the EX enabled on accident. I left the movie thinking "damn they did an awesome job with the EX" and then realized it wasn't mixed that way. Looking for the 5 digit dts serial number was the de-facto way to tell for many years, and for the most part, still is. Thank you dts!
quote: Tom Petrov It was my understanding that dvd no longer has movies releasd in ex or es formats.
Tom, you don't seem to grasp what EX really is. First off EX and ES is the same thing. Sort of like how LieMAX is the same as ETX, 3DX and all of those other silly madeup "gargantuan screen" auditoriums are pretending to be something special, when in reality they are simply a branding tactic to fool the suckers, er, am, "customers".
Think of it like this, THX is a set of standards ANY theater can apply for and obtain (with enough expenditure for upgrades and such). LieMAX is similar, but the big difference is that the IMAX people have completely lost their marbles in terms of quality, so right now they are a joke to the industry. All of the other 3DX-type auditoriums are exclusive to a particular theater chain...which should be your "wake-up tip" that it isn't anything special and in reality is how those auditoriums SHOULD have been built in the first place instead of cutting corners.
I actually shouldn't even be saying "should have been built" because many of them SHOULD have used 2 stacked projectors and not cut the corners they did, but I'll spare you because I was talking about EX before that tangent of annoying marketing distracted me.
So in reality the only thing EX does is the exact same thing Dolby Pro Logic does to derive a center channel from a left and right stereo signal. They simply used it as a rear surround channel. It is nothing more. That being said to dumb it down a bit, any sound in the right surround channel that isn't present in the left surround gets routed to the right surround. Same for the left surround. However any sound present in BOTH channels (mono) gets extracted from the side surrounds and plays through the rear surrounds. Make sense? Its the same decoding logic that is used to extract dialogue from stereo sources to "create" a center channel.
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