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Author Topic: Robo Sound bug with CP650 John Thomas Film Handler Posts: 75 From: Boston, MA Registered: Sep 2011 posted 06-21-2012 07:22 PM                     Both of mine that have done this are 2.3.6.3, but we have several more, also 2.3.6.3, that have yet to do it.  |  IP: Logged Manny Knowles "What are these things and WHY are they BLUE???" Posts: 4247 From: Bloomington, IN, USA Registered: Feb 2002 posted 06-21-2012 10:43 PM                     I haven't had robo-sound in over a year -- i ain't about to change a thing! -- unless it happens again...  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 06-22-2012 12:17 AM                     Robo sound is NOT software dependent. It is Cat 790 dependent...if you have it, only changing the Cat 790 will cure it (if the one you get is a "good one"). 2.3.6.6 is only a relatively recent software version. It was brought out to allow Surround 7.1. Prior to that was 2.3.6.3, 2.3.5.3 (added the CP650DC, prior to the CP750) then 2.3.4.4 being the one that allowed Global Audio delay. Note, if a CP650 does not load 2.3.4.4 at some point, it will NOT have an active Global Audio Delay (you can't get the sound to be in sync with the picture via the sound processor). So if you skipped 2.3.4.4 and loaded say 2.3.6.3 or 2.3.6.6...you will not have the delay. In any event, the problem is in the Cat 790.  |  IP: Logged Brad Miller Administrator Posts: 17775 From: Plano, TX (36.2 miles NW of Rockwall) Registered: May 99 posted 06-22-2012 01:14 AM                     quote: Steve Guttag Robo sound is NOT software dependent. It is Cat 790 dependent...if you have it, only changing the Cat 790 will cure it (if the one you get is a "good one"). That isn't the current story from Dolby. Now they are blaming software.  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 06-22-2012 12:30 PM                     Dolby doesn't seem to blame anything...they almost seem to ignore it. If it was software (and they thought it was) they would revise the software (a relatively minor thing to do, resource wise).  |  IP: Logged Tony Bandiera Jr Film God Posts: 3067 From: Moreland Idaho Registered: Apr 2004 posted 06-24-2012 12:41 PM                     Brad, what versions have you seen this happen on? And if you can say so publically, who at Dolby told you that it is software? Steve, sadly you are right, Dolby just doesn't seem to care about anything anymore, their support has diminished in quality a lot as of late. I can remember when if you had a problem with any processor, not only could they narrow it down over the phone but they would next-day ship replacement cards to get you running again...and if that didn't work they'd send a replacement processor. (Now I have heard that support for the DSS-200 is still at that level....for now.) My changeover issue......well no one at Dolby seemed to have any clue as to what is wrong, though I do give credit to Norm Cerda for trying, but when the boards he sent didn't work they ran out of ideas and seemed to lose interest in solving the problem. No one I have contacted there even knows who wrote the software to try and see if there is a bug in this latest version. So I am left to keep trying "downdates" to hopefully fix the problem. And I am now hoping I don't end up with the robo sound bug....  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 06-24-2012 12:54 PM                     Tony, I had the issue with a CP650 running 2.3.6.6 on a NEW CAT 790...Dolby immediately swapped the CAT 790 and the problem has not returned. If it was software, this would seem less likely. Dolby was very proactive on it. I had a client that had the issue on 2.3.5.3 (before the CP750 came out). I must admit, my personal encounter with it has been very small (and quickly addressed). We have several CP650s out there running combo DCinema and Film and only one unit that I personally service that it showed up on (again, right after we put in the CAT 790).  |  IP: Logged Brad Miller Administrator Posts: 17775 From: Plano, TX (36.2 miles NW of Rockwall) Registered: May 99 posted 06-24-2012 01:00 PM                     Tony, anything above 2.3.4.4 for certain has done it. Dolby has been working hard to resolve it. Initially it appeared the culprit was the board, but as I understand it now they are looking into the software. Intermittent things, particularly rare ones, are extremely difficult to track down as I'm sure you are aware.  |  IP: Logged Tony Bandiera Jr Film God Posts: 3067 From: Moreland Idaho Registered: Apr 2004 posted 06-24-2012 01:13 PM                     Brad and Steve thank you for your quick answers. Let's hope Dolby can figure it out now. And yeah, intermittent problems are always a pain to solve.....  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 06-24-2012 05:56 PM                     My bet is that they are looking for a software solution to a hardware problem...that is...if it determines that it is in robomode...resync to get out of robomode.  |  IP: Logged Manny Knowles "What are these things and WHY are they BLUE???" Posts: 4247 From: Bloomington, IN, USA Registered: Feb 2002 posted 06-24-2012 06:25 PM                     AKA...cheaper than recalling Cat. 790 cards -- follow the money!  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 06-24-2012 10:59 PM                     Recall nothing...it would likely require a redesign. I'm sure they don't want to put engineering time on a product that primarily supports a dying format.  |  IP: Logged System Notices Forum Watchdog / Soup Nazi Posts: 215 Registered: Apr 2004 posted 09-13-2013 04:17 PM                 It has been 445 days since the last post.  |  IP: Logged Harold Hallikainen Jedi Master Film Handler Posts: 906 From: Denver, CO, USA Registered: Aug 2009 posted 09-13-2013 04:17 PM                        Does anyone have a consistent method of reproducing robosound? If so, I'd like to send out a new piece of hardware to put in the AES/EBU line to see if it solves the problem. THANKS! Harold  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 09-13-2013 06:19 PM                     Not that I'm aware. Since it only syncs on channels 1/2...I was debating if interrupting that line until the source is needed would cause it to always re-sync itself.  |  IP: Logged

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