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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Non-Sync through Surrounds on CP500

   
Author Topic: Non-Sync through Surrounds on CP500
Dean Kollet
Jedi Master Film Handler

Posts: 591
From: Florida State University
Registered: Jul 2003


 - posted 04-01-2005 09:42 PM      Profile for Dean Kollet   Email Dean Kollet   Send New Private Message       Edit/Delete Post 
How can I send the Non-sync input to the surrounds only and have the bass sent to the sub? Is there a way without wiring it into the ACC input? The closest I can get is making a format, but it's delayed in the surrounds.

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Michael Schaffer
"Where is the
Boardwalk Hotel?"

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


 - posted 04-02-2005 03:23 AM      Profile for Michael Schaffer   Author's Homepage   Email Michael Schaffer   Send New Private Message       Edit/Delete Post 
Delayed in relation to what? last time I worked with a CP500, you could get nice non-sync through the surrounds by assigning the channels properly in that virtual patch bay. You also have to assign the subwoofer, but make sure OBE (optical bass extension) is enabled. It doean't matter if the input actually comes from optical or non-sync. That's just the way it's been called traditionally. If you choose "non-sync" in the "NR input" screen of the custom format editor, that will give you that result.

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Monte L Fullmer
Film God

Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004


 - posted 04-02-2005 04:03 AM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
I haven't done this for a while, and forgot how to do this, but when you set up a custom format for NON-SYNC, one can do what's called a "matrix" format where one can send 2 channels from the NON-SYNC input throughout all 5 speaker channels, and the 6th being the SUB would be left out.

-Monte

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Brad Miller
Administrator

Posts: 17775
From: Plano, TX (36.2 miles NW of Rockwall)
Registered: May 99


 - posted 04-02-2005 04:26 AM      Profile for Brad Miller   Author's Homepage   Email Brad Miller       Edit/Delete Post 
I can look at a CP500 in a few days and give you step by step instructions if you haven't figured it out by then. Basically just go to the option "create new format" and select User 1 (or another "User" number) and tell it to derive from non-sync 1 or 2 input, turn on pro-logic if you want it matrixed, turn off NR no matter what and select the channels you want playing and such. It's been too long for me as well to remember EXACTLY what steps to do, but seriously it's pretty user-friendly once you tell it that you want to create a new User format. [Cool]

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Ferdinando Innocenti
Film Handler

Posts: 79
From: Genova / Italy
Registered: Jun 2004


 - posted 04-02-2005 06:02 AM      Profile for Ferdinando Innocenti   Email Ferdinando Innocenti   Send New Private Message       Edit/Delete Post 
quote: Dean Kollet
The closest I can get is making a format, but it's delayed in the surrounds
Why are you talking about delay? delay in surround channels is related to the other channels (and to room dimensions) in a normal soundtrack; if you use the NS input there's no delay. I have a CP500 just in front of me, if you need some advices about the way to create a new format, no problem for me.

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Dean Kollet
Jedi Master Film Handler

Posts: 591
From: Florida State University
Registered: Jul 2003


 - posted 04-02-2005 08:17 AM      Profile for Dean Kollet   Email Dean Kollet   Send New Private Message       Edit/Delete Post 
Sorry for the confusion, I mean delay=echo. I'm guessing I should turn on the pro-logic decode and just mute the stage speakers. Even without the Pro-Logic, I'm getting that weird echo, it almost sounds like a 'record is playing too slow/slowing down' (that's the best I can do with that explanation). I've kept the OBE on as well. Also, what is OPU? I'm probably wrong, but I don't remember seeing much in the manuals, in detail, about format building. [Confused]

thanks

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Michael Schaffer
"Where is the
Boardwalk Hotel?"

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


 - posted 04-02-2005 04:28 PM      Profile for Michael Schaffer   Author's Homepage   Email Michael Schaffer   Send New Private Message       Edit/Delete Post 
You don't have to mute any channels. You can just assign L and R to the surrounds in the virtual patchbay.

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