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This topic comprises 2 pages: 1 2
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Author
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Topic: Digital Cinema Connection Help!!!
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Kyle Abel
Film Handler
Posts: 56
From: Plano, TX, USA
Registered: Apr 2001
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posted 08-14-2001 02:19 PM
Hello all. We just got all the equipment for the Live Concert Broadcast tomorrow. Unfortunatly, we are having problems hooking up the audio to play through the processor to get the surround sound. Here is the basic audio setup (I'll go into the equipment more in the previous thread in the Floor section):Satallite receiver left/right RCA output
Ultra-Stereo JSX-1000A processor Is there a way to conncet the left/right outs from the receiver through the processor to use all the channels, or do you have to have a receiver to decode the signal into the separate channels? A Possible connection could be: Satallite receiver left/right out to
Pro-Logic receiver, speaker outputs to
Aux inputs on U*S processor (L,C,R,S) Any help would be great. Thanks. ------------------
Kyle Abel
General Manager
Plano Movies 10
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Adam Martin
I'm not even gonna point out the irony.
Posts: 3686
From: Dallas, TX
Registered: Nov 2000
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posted 08-14-2001 03:11 PM
It depends on the coding of the audio signal they are sending. If it's Pro-Logic, you need an external Pro-Logic decoder. If it's not encoded, then all you're gonna get is left/right anyway unless you "synthesize" faux surround with the external decoder. If it's theatrical SR, I suppose you could feed it into the projector-2 input, but you risk damaging your preamp (or more) with the line-level signal. Which brings another point, speaker-out to aux-in is a bad idea. Too much power coming into the processor when it's expecting a line-level signal. Much better if the decoder has line-level outputs. I won't even mention that this is another reason why I think this whole concept is stupid. Oops, I guess I just mentioned it. If it's just stereo, let the big-wigs realize the error of their ways. Don't try to dress it up with fake surrounds, as you'll only make it worse than it already is.
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Randy Stankey
Film God
Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99
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posted 08-15-2001 11:05 PM
We got it all hooked up today.
We used a DSP-60 (USL) and it worked out pretty well. It did decode to the surrounds and subs pretty well.How was your incomming signal? The one we got was pretty crummy. It was WAY top-heavy! When we listened to the "bumper music" before hand we thought the processor was out of EQ. I broke out the "hardware" and re-EQ'ed the house. It was still pretty crummy. Since it was a DSP-60 processor, I saved the original settings and my new EQ settings. I left the computer hooked up during the show so we could make some adjustments on the fly. It was STILL crappy so we tweeked it up a little. (knocked down the 5K + 3.5K bands and upped the 50 + 64 bands.) It still wasn't great but it was acceptable under the circumstances. The video guy got a call from one of his buddies at another location asking if the sound was crummy. Not only did he say it was top heavy, he said the signal was weak.
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Kyle Abel
Film Handler
Posts: 56
From: Plano, TX, USA
Registered: Apr 2001
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posted 08-16-2001 04:08 PM
Gordon, I connected the sound through the matrix inputs and worked great, thanks!John, they installed consumer dishes, and I believe just used standard definition feed. Randy, I really didn't have a problem with the eq of the sound. It was WAY too low. We had our processor on 10 and still was a hair soft. We leveled our channels a few days prior to the show, and I think it seemed to help. We watched Eric Clapton and Sting concert DVD's through the system before the show to make sure it was set up properly, and the sound was really good. The satallite signal was just not hot enough. ------------------
Kyle Abel
General Manager
Plano Movies 10
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Was it an HD feed, or just standard definition? What video projectors were used?
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