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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » CP 500 volume changes are audible??? (Page 3)

 
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Author Topic: CP 500 volume changes are audible???
Brad Miller
Administrator

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


 - posted 12-18-2000 04:54 AM      Profile for Brad Miller   Author's Homepage   Email Brad Miller       Edit/Delete Post 
Peter,

Assuming that I am the referee here, I am politely requesting you tone it down a notch please. People come here to learn and although from time to time there is misinformation given on the forums, there is no need to attack someone for trying to help. In the future, please just correct them and try to leave any form of insults out.

I am sure that at some point there will be a topic in which you do not know everything there is to know and may actually post something in an effort to help that is incorrect. Please put yourself in those shoes, as you wouldn't want someone coming behind you on the forum making a big show out of your error. We're all trying to help and combining the hundreds of Film-Techer's brains together virtually always turns up with a good solution in the end. I appreciate your understanding.


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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 12-18-2000 08:32 AM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
Peter,

First off....yes, I think I used the term "optical" encoder once (that I counted, at least) but I tried to keep it simply as an encoder...and yes I know it is a mechanical enoder in this case. Does it really give you a sense of superiority to jump on such a point when, in fact, the difference is actually zero from the point of the problem?

As to the design of the volume system itself, it can be done many different ways and still be effective. To say one way is non-professional is absurd...there are a lot of crap designs out there that are being sold as professional. To who's definition do you apply professional? If a dedicated fader circuit was used, it wouldn't preclude multiple faders (from say remotes) since it would all boil down to up/down pulses from whatever the source.

Remember Peter, being arrogant doesn't make you good...being good makes you good. Being listened to is a combination of both knowledge and presentation. For the record, I agree with you on the manner in which some information is posted in this forum (ie posting from a lack of knowledge for sake of spouting one's own ignorance) but it is better to either ignore it or correct it, if you are so inclined.

Gordon...I did a quick check, the CP-500 does indeed use VCAs...in fact the dbx2150A is the VCA chips used on the outputs.

Steve

------------------
"Old projectionists never die, they just changeover!"

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Gordon McLeod
Film God

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


 - posted 12-18-2000 09:28 AM      Profile for Gordon McLeod   Email Gordon McLeod   Send New Private Message       Edit/Delete Post 
I stand corrected

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Matthew Bailey
Master Film Handler

Posts: 461
From: Port Arthur,TX
Registered: Sep 2000


 - posted 12-18-2000 03:18 PM      Profile for Matthew Bailey   Email Matthew Bailey   Send New Private Message       Edit/Delete Post 
Such as much for the Ultra-Stupid processors.

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John Wilson
Film God

Posts: 5438
From: Sydney, Australia.
Registered: Dec 1999


 - posted 12-21-2000 11:42 PM      Profile for John Wilson   Email John Wilson   Send New Private Message       Edit/Delete Post 
Okay,

there is nothing plugged into the serial cable inlet. I have disconnected the plug to the AMX and the ticking stays.

Thanks to all for their suggestions thus far. All input is appreciated.

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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 12-22-2000 12:48 AM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
John, did you talk to Dolby Labs about it? I wonder if the problem lies from the CAT662 upstream to the the rotary encoder(fader). I think they will give you a definate answer. If this problem it happens once, it'll happen again, and Dolby Labs more than likely can give you some pin-point guidance as to where to look. Have a good holiday season.


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John Wilson
Film God

Posts: 5438
From: Sydney, Australia.
Registered: Dec 1999


 - posted 12-22-2000 04:44 AM      Profile for John Wilson   Email John Wilson   Send New Private Message       Edit/Delete Post 
Thanks Paul, same to you.

The thing of it is...that it is most likely not even noticed by the patrons it is so slight. I am just a bit picky (like most of us here) about presentation and a tick tick tick is not in my plan of good presentation.

I will call our techs after the holidays to see if they've had it anywhere else.

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