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This topic comprises 2 pages: 1 2
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Author
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Topic: Lord of the Rings sound
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Bobby Henderson
"Ask me about Trajan."
Posts: 10973
From: Lawton, OK, USA
Registered: Apr 2001
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posted 12-17-2001 06:23 PM
Whenever a movie is recorded to be played in Dolby Digital Surround EX or DTS-ES matrix, the surround channels are simply mixed to reach certain volume levels to cause the sound to pull back to the center surround channel.Whenever volume intensities in both Left Surround and Right Surround channels reach the same level, that sound event gets steered to the Center Surround channel. I had thought there was some special encoding for the process, but that is really all there is. Just as any DD-EX release can be played in DTS-ES (provided there are discs for the film) if there is an SDDS track, it will also properly play the derived center surround when the signal is fed through a Dolby SA-10, DTS-ES processor or even one of those Smart thingies. It is best to only play movies in DD-EX or DTS-ES when those films are mixed specifically for the format. You can get some undesirable effects when applying DD-EX or DTS-ES to something not mixed for it. For example, my father recently upgraded his home theater system with a new Denon 4802 receiver among other things. He called me up and said his sound system was not working right when he played the special edition DVD of "The Abyss." The surrounds were sounding out of only the center surround channel. I told him that is only a 4.1 channel audio track with mono surround summed across RS and LS channels. You get total collapse to center surround when activating the DD-EX mode.
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This topic comprises 2 pages: 1 2
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