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Author Topic: About Show Prints John Hawkinson Film God Posts: 2273 From: Cambridge, MA, USA Registered: Feb 2002 posted 04-07-2003 11:32 AM                     Yes, Bill, overlaying is what I meant. This is because the sound leads the picture by 21 frames, so for the first 21 frames of a reel, platter projection will run the soundtrack that's on the tail of the previous reel, but changeover projection will run the soundtrack on the first 21 frames of the current reel. The copy of the soundtrack in the last 21 frames of a reel is known as the "sound pullup." I apologize for using confusing mathemetical notation. R(n+1) meaning the next reel. That is, we say "R1" for "reel one," and thus "Rn" for any arbitrary reel n, and so "Rn+1" is the reel after reel n, so n+1. Edit: Originally I'd written "22 frames" when I should have written "21 frames"; thank you, John, for the correction. Darn fencepost errors... And wow, I said "lag" instead of "lead", thank you Daryl for noting the sign error--it's a big error day for me, I guess. --jhawk  |  IP: Logged John Pytlak Film God Posts: 9987 From: Rochester, NY 14650-1922 Registered: Jan 2000 posted 04-07-2003 11:45 AM                        The analog sound displacement on a 35mm print is 21 frames , per standard SMPTE 40.  |  IP: Logged Daryl C. W. O'Shea Film God Posts: 3977 From: Midland Ontario Canada (where Panavision & IMAX lenses come from) Registered: Jun 2002 posted 04-07-2003 12:04 PM                        The analog (along with the Dolby Digital and SDDS) soundtracks lead the picture. They don't lag behind it. This is necessitated by having the analog soundhead after the gate. In a changeover situation you would run the first 21 frames of sound off of the (head) leader. The only time you might end up playing sound from the outgoing tail is if you change picture and sound seperately (to make it appear even more seemless) and you really take your time switching the sound over -- like more than 21 frames later.  |  IP: Logged Ted Costas Expert Film Handler Posts: 119 From: Hollywood, CA, USA Registered: May 2000 posted 04-07-2003 02:09 PM                     EK Prints, Show Prints and Select Prints... you'll be seeing some hip and happenning Dolby stickers on some of your prints out there in the field. I could brag about some of the 42 features we've looked at (yes, this is Dolby, and we're not just for breakfast anymore). Sound and Picture. Check out the Dolby web site. Me and Dave Schnuelle came over from Lucasfilm, THX, and recently Dolby acquired the assets of DemoGraFX, a leader in image technology. We are not messing around. We're starting to use our eyes as well as our ears. O'kay, I know this isn't an web site for PR, but I've been at Dolby for nine months now... hasn't anybody seen my stickers?!!! Currently, four major studios use Dolby regularly to check their release prints at the lab and assemble Select and Show Prints. So keep your eyes open. Better care at the lab really does "trickle down" to better prints in your theatres... Then, it is all literally, in your hands. May the force be with you, Ted Ted Costas Director Dolby Distributor Services  |  IP: Logged Ted Costas Expert Film Handler Posts: 119 From: Hollywood, CA, USA Registered: May 2000 posted 04-07-2003 02:12 PM                     EK Prints, Show Prints and Select Prints... you'll be seeing some hip and happenning Dolby stickers on some of your prints out there in the field. I could brag about some of the 42 features we've looked at (yes, this is Dolby, and we're not just for breakfast anymore). Sound and Picture. Check out the Dolby web site. Me and Dave Schnuelle came over from Lucasfilm, THX, and recently Dolby acquired the assets of DemoGraFX, a leader in image technology. We are not messing around. We're starting to use our eyes as well as our ears. O'kay, I know this isn't an web site for PR, but I've been at Dolby for nine months now... hasn't anybody seen my stickers?!!! Currently, four major studios use Dolby regularly to check their release prints at the lab and assemble Select and Show Prints. So keep your eyes open. Better care at the lab really does "trickle down" to better prints in your theatres... Then, it is all literally, in your hands. May the force be with you, Ted Ted Costas Director Dolby Distributor Services  |  IP: Logged John Hawkinson Film God Posts: 2273 From: Cambridge, MA, USA Registered: Feb 2002 posted 04-07-2003 02:13 PM                     Hey, Ted! We've seen your stickers! See my thread Dolby Distribution Services?. How about putting up some clear documention about your grading? (Why did my select print have B- reels?) --jhawk  |  IP: Logged Ted Costas Expert Film Handler Posts: 119 From: Hollywood, CA, USA Registered: May 2000 posted 04-10-2003 05:30 PM                     J-Hawk, Because they weren't "A" grade reels. Yours, Ted  |  IP: Logged John Pytlak Film God Posts: 9987 From: Rochester, NY 14650-1922 Registered: Jan 2000 posted 04-10-2003 06:23 PM                        I think jhawk was asking for a favor. What are friends for?  |  IP: Logged Ted Costas Expert Film Handler Posts: 119 From: Hollywood, CA, USA Registered: May 2000 posted 04-18-2003 02:59 PM                     John, I was trying to be funny. Oh well. I responded to J-Hawk directly explining this, so please don't think I'm totally rude... even though it sure sounds like it from my last post. A funny story along those same lines... I was chatting with an executive from one of the major labs who was asking me how he could get more "A" grade reels... and I smiled at him before replying, "Make better, cleaner prints." I think he was asking me if we could lower our standards and be less stringent in our grading at Dolby, and the simple answer is, "Not if we want to keep working in this town." John Pytlak can tell you, there are so many factors in printing film that go into a quality print, and numerous factors that allow for variables to affect the printing process. Some films have very clean print runs with few problems, and others have one problem after another. Select and Show Prints can have "A" or "B" graded reels in them, and at no point can the "B" graded reels have anything distracting (image-wise or in the sound playback) what-so-ever. Reels that take you out of the experience must be downgraded to "C" or "NG" grades. More later. Yours, Ted  |  IP: Logged

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