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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Cinemark, SR-D, and Subwoofers (Page 2)

 
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Author Topic: Cinemark, SR-D, and Subwoofers
Karen Hultgren
Master Film Handler

Posts: 492
From: Agoura Hills, CA, USA
Registered: Mar 2000


 - posted 04-11-2002 11:43 AM      Profile for Karen Hultgren   Author's Homepage   Email Karen Hultgren   Send New Private Message       Edit/Delete Post 
To claify DTS subwoofer in the surrounds:

In the standard 5.1 mode, the DTS surrounds carry some subwoofer material, all above 80Hz. There are filters in the surrounds that only let signals from 80Hz and above pass. The subwoofer material, from 80Hz down to 20Hz, is routed to a separate output channel on the DTS player.

Karen at DTS

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David Stambaugh
Film God

Posts: 4021
From: Eugene, Oregon
Registered: Jan 2002


 - posted 04-11-2002 11:53 AM      Profile for David Stambaugh   Author's Homepage   Email David Stambaugh   Send New Private Message       Edit/Delete Post 
The really deep, low-freq. bass I'm talking about can only come from a subwoofer. The surrounds can't go that low (by design). When I saw "The Rookie" there yesterday, in a DTS house, it had some of that really deep, low-freq. bass, the kind that none of their SR-D houses seem to ever have.

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Antonio Marcheselli
Phenomenal Film Handler

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


 - posted 04-12-2002 02:40 PM      Profile for Antonio Marcheselli   Author's Homepage   Email Antonio Marcheselli   Send New Private Message       Edit/Delete Post 
Correct me if I'm wrong: since DTS Subwoofer level is separate from Dolby Digital Subwoofer level, I believe that you can set a sound system with poor DD subwoofer and great DTS subwoofer and Viceversa.

Bye
Antonio


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David Stambaugh
Film God

Posts: 4021
From: Eugene, Oregon
Registered: Jan 2002


 - posted 04-14-2002 05:51 PM      Profile for David Stambaugh   Author's Homepage   Email David Stambaugh   Send New Private Message       Edit/Delete Post 
A former insider at Cinemark 17 who was there during the initial installation and calibration tells me that all the subs were turned way down to eliminate sound leakage to adjacent auditoriums. Isn't that special. This person also says all speakers are JBL throughout; there are 4 [apparently virgin] subwoofers in each house; the Dolby houses all have CP500 processors; and QSC amps are used throughout.



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Neil Hunter
Film Handler

Posts: 74
From: Salisbury, NC, USA
Registered: Oct 2001


 - posted 04-15-2002 12:20 AM      Profile for Neil Hunter   Email Neil Hunter   Send New Private Message       Edit/Delete Post 
David,

Cinemark uses all QSC amps and JBL speakers for their newer theaters(98 and up, I believe). They used peavey amps for their older theaters. The brand of speakers escapes me at the moment.


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