Has there been any resolution to the 744T/RED synchronization issue?

Stephen Pruitt · 03-31-2008, 09:31 PM

I just got a 744T and now have read that there is an approximately two frame synch issue between the RED and the 744T. However, the last post on this issues appears to have been over a month ago.

Has there been a solution to this problem??? This is a pretty big deal to me.

Stephen

C.H.Haskell · 03-31-2008, 10:32 PM

talking about the sound device unit? I was unaware of this issue myself but also curious if its been sorted.

Stephen Pruitt · 04-01-2008, 06:53 AM

Yes, the SD744T. . .

Thanks.

Stephen

Steve Sherrick · 04-01-2008, 10:09 AM

Stephen, Have you tested it yet with the most recent build? I haven't had a chance to do that test yet. But I will soon.

Clapboard is the easiest way to test.

Stephen Pruitt · 04-01-2008, 11:04 AM

Hi there, Steve. . .

I haven't got a time code clapboard. . . and I haven't even turned my 744T on yet. I could be awhile before I get around to that. . . you pros will have to answer this one.

Stephen

Mark L. Pederson · 04-01-2008, 11:11 AM

our last tests at GOTHAM SOUND indicated that we are frame accurate on Sound Devices and Metacorder BWF files - camera in jam sync

however, we are seeing 2 frame offset in SINGLE SYSTEM mode - audio coming in LINE from mixers - ????

Build 15 - anybody run SYNC tests in single system mode with build 15 using LINE from mixer??

Steve Sherrick · 04-01-2008, 11:22 AM

Will do tests later on today

Mark L. Pederson · 04-01-2008, 11:30 AM

Quote:

Originally Posted by stevesherrick

Will do tests later on today

Thanks Steve - hit my email if you post results -

Stuart English · 04-01-2008, 01:49 PM

I think audio is correct to maybe a fraction late within the video frame timing on Mic input using Build 15 v2.1.7 (tested with QT proxy movies FCP) See attached JPEGS.

But timecode sync is perfect with external slate (tested with Ambient ACD 301 and QuicKTime Player, RED ALERT ! and FCP

Let me know if you agree, and what you find out about line input audio sync.

(Note: In the images below the slate timecode update freezes at 22:17 so there is an apparent 1 frame offset, but its not really there)

Stephen Pruitt · 04-01-2008, 08:53 PM

How on earth could audio be that late on a line in? That's really, really strange. Surely those AD converters aren't that slow on the uptake, are they? Wow. . . this is pretty disappointing.

Stephen

03-31-2008, 09:31 PM	#1
Stephen Pruitt Senior Member Join Date: Sep 2007 Posts: 1,619	Has there been any resolution to the 744T/RED synchronization issue? I just got a 744T and now have read that there is an approximately two frame synch issue between the RED and the 744T. However, the last post on this issues appears to have been over a month ago. Has there been a solution to this problem??? This is a pretty big deal to me. Stephen __________________ RED One M-X "Lewis" (#791) www.NVR2L8.com www.DuhMagazine.com First feature film, "Works in Progress," out on DVD in November 2010. Second feature film, "Terminal," now in pre-production and scheduled to begin production September 2010.

03-31-2008, 10:32 PM	#2
C.H.Haskell Senior Member Join Date: Apr 2007 Location: Brooklyn New York Posts: 1,557	talking about the sound device unit? I was unaware of this issue myself but also curious if its been sorted. __________________ C.H. Haskell, ICG Director.DP.Writer haskellfilms.com RED EPIC#TBA VIEW REEL

04-01-2008, 06:53 AM	#3
Stephen Pruitt Senior Member Join Date: Sep 2007 Posts: 1,619	Yes, the SD744T. . . Thanks. Stephen __________________ RED One M-X "Lewis" (#791) www.NVR2L8.com www.DuhMagazine.com First feature film, "Works in Progress," out on DVD in November 2010. Second feature film, "Terminal," now in pre-production and scheduled to begin production September 2010.

04-01-2008, 10:09 AM	#4
Steve Sherrick Senior Member Join Date: Dec 2006 Location: Boston Posts: 3,321	Stephen, Have you tested it yet with the most recent build? I haven't had a chance to do that test yet. But I will soon. Clapboard is the easiest way to test. __________________ Steve Sherrick Chief Collaborator Obscure Knowledge Productions STEVESHERRICK.COM Local 600 DIT/Operator

04-01-2008, 11:04 AM	#5
Stephen Pruitt Senior Member Join Date: Sep 2007 Posts: 1,619	Hi there, Steve. . . I haven't got a time code clapboard. . . and I haven't even turned my 744T on yet. I could be awhile before I get around to that. . . you pros will have to answer this one. Stephen __________________ RED One M-X "Lewis" (#791) www.NVR2L8.com www.DuhMagazine.com First feature film, "Works in Progress," out on DVD in November 2010. Second feature film, "Terminal," now in pre-production and scheduled to begin production September 2010.

04-01-2008, 11:11 AM	#6
Mark L. Pederson OffHollywood Join Date: Dec 2006 Posts: 4,063	our last tests at GOTHAM SOUND indicated that we are frame accurate on Sound Devices and Metacorder BWF files - camera in jam sync however, we are seeing 2 frame offset in SINGLE SYSTEM mode - audio coming in LINE from mixers - ???? Build 15 - anybody run SYNC tests in single system mode with build 15 using LINE from mixer?? __________________ Mark L. Pederson Offhollywood Get the BUZZ http://twitter.com/offhollywood

04-01-2008, 11:22 AM	#7
Steve Sherrick Senior Member Join Date: Dec 2006 Location: Boston Posts: 3,321	Will do tests later on today __________________ Steve Sherrick Chief Collaborator Obscure Knowledge Productions STEVESHERRICK.COM Local 600 DIT/Operator

04-01-2008, 01:49 PM	#9
Stuart English Red Team Join Date: Dec 2006 Location: Austin, Tx Posts: 2,900	Sync - Audio and Timecode to Video I think audio is correct to maybe a fraction late within the video frame timing on Mic input using Build 15 v2.1.7 (tested with QT proxy movies FCP) See attached JPEGS. But timecode sync is perfect with external slate (tested with Ambient ACD 301 and QuicKTime Player, RED ALERT ! and FCP Let me know if you agree, and what you find out about line input audio sync. (Note: In the images below the slate timecode update freezes at 22:17 so there is an apparent 1 frame offset, but its not really there) __________________ Workflow Wizard

04-01-2008, 08:53 PM	#10
Stephen Pruitt Senior Member Join Date: Sep 2007 Posts: 1,619	How on earth could audio be that late on a line in? That's really, really strange. Surely those AD converters aren't that slow on the uptake, are they? Wow. . . this is pretty disappointing. Stephen __________________ RED One M-X "Lewis" (#791) www.NVR2L8.com www.DuhMagazine.com First feature film, "Works in Progress," out on DVD in November 2010. Second feature film, "Terminal," now in pre-production and scheduled to begin production September 2010.

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode