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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Is everything in DTS-ES now? (Page 2)

 
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Author Topic: Is everything in DTS-ES now?
John Hawkinson
Film God

Posts: 2273
From: Cambridge, MA, USA
Registered: Feb 2002


 - posted 04-27-2003 03:15 PM      Profile for John Hawkinson   Email John Hawkinson   Send New Private Message       Edit/Delete Post 
Can we keep the DVD discussion in the Afterlife? I don't think the relationship between ES/EX in DVDs versus film prints is as strong as you think...

--jhawk

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Michael Schaffer
"Where is the
Boardwalk Hotel?"

Posts: 4143
From: Boston, MA
Registered: Apr 2002


 - posted 04-27-2003 04:03 PM      Profile for Michael Schaffer   Author's Homepage   Email Michael Schaffer   Send New Private Message       Edit/Delete Post 
quote:
Michael Shaeffer you seem to have a definate response which logically, would work with me. However, are you saying this with definate knowledge or is that your assumption?
Well, since both Dolby and dts in the cinema only carry 6 channels, the back surround channel of an ES/EX has to be matrixed into left and right surround before the digital encoding process. Since usually both formats (and SDDS) are encoded from the same 6 channel master (not necessarily the same physical copy, but the same mix), they both carry exactly the same surround channels and therefore are replayable with any decoding unit, be it SA10, the dts or the Panalogic decoder. That also means any ES/EX film can also be played back in SDDS and you can still use your decoder with the same effect as if you were playing from the Dolby or dts track.

Theoretically, they could produce completely different surround mixes for the respective formats and then encode all three digital tracks from different masters, but why should they? I do not know if EX or ES generates additional license fees for the encoding.

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Antonio Marcheselli
Phenomenal Film Handler

Posts: 1260
From: Florence, Italy
Registered: Mar 2000


 - posted 04-27-2003 09:27 PM      Profile for Antonio Marcheselli   Author's Homepage   Email Antonio Marcheselli   Send New Private Message       Edit/Delete Post 
John

I assume that, otherwise I'd have post the message on the afterlife...

EX/ES are matrixed, so I believe there is no differences between DVD and movie. But I can be wrong!

Bye
A

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