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Topic: Sound cuts out at credit cue on DTS

Carl King
Expert Film Handler

Posts: 199
From: Saint John, New Brunswick, Canada
Registered: Mar 2000

posted 10-18-2000 09:06 PM

I've got a strange thing going on with my two DTS6 ROM units. When the light cue hits at the start of the credits my sound format remains in Digital but I have no sound during the credits. This happens in two seperate units. Reason? Could it be the CDs themselves or is it the processor?

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Brad Miller
Administrator

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

posted 10-19-2000 01:35 AM

What sound processor and does the sound processor itself stay in digital, or just the green led on the dts player?

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Ari Nordström
Master Film Handler

Posts: 283
From: Göteborg, Sweden
Registered: Jan 2000

posted 10-19-2000 04:05 AM

I presume that the optical soundtrack contains more than silence?

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Jesse Skeen
Phenomenal Film Handler

Posts: 1517
From: Sacramento, CA
Registered: Aug 2000

posted 10-19-2000 10:48 AM

Keep the lights down til the END of the movie!

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Carl King
Expert Film Handler

Posts: 199
From: Saint John, New Brunswick, Canada
Registered: Mar 2000

posted 10-19-2000 01:57 PM

Yes the optical track contains more than silence. The system stays in digital sound format , as indicated on the sound format card in the Ultra Stereo unit, but there is no digital sound. This is happening in two seperate units in two seperate auditoriums.

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Brad Miller
Administrator

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

posted 10-19-2000 02:32 PM

What has changed recently? This sort of thing won't just happen all of a sudden. Someone has changed something somewhere.

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Dave Cutler
Master Film Handler

Posts: 277
From: Centennial, CO
Registered: Jun 2000

posted 10-19-2000 03:06 PM

You say that the Ultra Stereo processor is still in digital, but is the DTS still playing? I would assume that it isn't. Have you actually watched this happen? You have been standing there when it cuts out? That way you can be sure that it is the cue that is stopping the DTS. If you can, try to run a different film in each auditorium, just to be safe.

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Mike Blakesley
Film God

Posts: 12767
From: Forsyth, Montana
Registered: Jun 99

posted 10-19-2000 05:58 PM

It's probably a lights cue from some other theatre screwing things up. Does each system do it with one print only?

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99

posted 10-20-2000 08:15 AM

Is there any possibility that the mute function on the USL is being engaged

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Carl King
Expert Film Handler

Posts: 199
From: Saint John, New Brunswick, Canada
Registered: Mar 2000

posted 10-20-2000 10:58 AM

Gordon:

I did not think of the mute function. You may be correct. This happens with different prints and in different houses. It is not consistant but rather happens from time to time. Only this week is it happening in two houses at the same time. Could it be faulty discs?

Perhaps I should ask Karen at DTS.

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99

posted 10-20-2000 06:02 PM

Sounds to me like something flaky in the format card
Is there any possiblitie of a voltage feeding back into the automation lines (induced spikes etc) these could drive the format board or the VCA's into a altered state

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Randy Stankey
Film God

Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99

posted 10-20-2000 07:08 PM

I just had a problem with a DTS today. It was a different problem but the solution was simple. It might apply to you.

Make sure all the connections to the back of the processor are good. There are two PC boards that attach to the back of the processor. Make sure they are all conected right and all the screws are all the way tight.

I spent 30 minutes noodling around with the dang thing and come to find out there was a loose connection!

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Carl King
Expert Film Handler

Posts: 199
From: Saint John, New Brunswick, Canada
Registered: Mar 2000

posted 10-23-2000 10:48 AM

In those two house I am now running two different prints in DTS. No problems now. The trouble must be in the CDs themselves.

I had a similar problem 3 yrs ago with the sound format not swithcing out at the shutdown resulting in a lot of noise as the tail leader ran through the machine. The DTS people provided me with a part number to order a small unit that attached to the back of the ROM unit. I can't remember what the part was called but once my tech guy installed it the problem stopped. The DTS folks said the problem was in the discs and that this part helps. It did.

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Richard Hamilton
Phenomenal Film Handler

Posts: 1341
From: Evansville, Indiana
Registered: Jan 2000

posted 10-23-2000 08:36 PM

DTS puts all of the pops and thumping noises on the discs?

Isn't it strange that you have two separate movies that cut out at the same time the credit cue goes through? It would be very surprising to have two discs that quit reading right at the credits. Are these prints still running in DTS since you moved them? What kind of automations are in these 2 houses? Are they different than the other ones?

Rick

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