Need help - Using Edirol R-4 Pro as Master Timecode generator at DVinfo.net

Michael Galvan · June 19th, 2008, 09:07 AM

So I am in need of some help.

I’ll be doing a shoot this weekend where we will be capturing the uncompressed HD-SDI from the Canon XL H1 to an AJA IO HD box connected to a Macbook Pro. I’ll be shooting sound with the Edirol R-4 Pro. We’ll be shooting 24F (which will have a 3:2 pulldown to conform it to 60i upond HD-SDI output).

To sync it all together, I would like to make the Edirol R-4 Pro the timecode master and connect its LTC output to the LTC in of the AJA IO HD. So therefore, the video coming from the XL H1 should be recorded with the timecode from the R-4 Pro. I will set the R-4 Pro to 29.97D timecode.

What is the process of making the R-4 Pro the Master? Is it just a matter of connecting a BNC cable to the LTC out of the recorder and into the AJA IO HD? What do I set the timecode of the R-4 Pro to? I’ve only used the unit as a slave device (setting it to EXT), never as the master.

Steve Oakley · June 19th, 2008, 08:47 PM

why not simply feed audio at line level from mixer to the IO HD and do it as single source recording. it will save a lot of time in post. any difference in recording to the r-44 vs the IO HD will be minscule and not worth the extra effort for syncing after the fact. FCP doesn't have any auto-sync feature so it will be full manual to do so... and might as well just clap it because it will be faster. in theory feeding TC into the IO should be ok provided the R-44 has stable TC. might be easier / safer to feed TC from the camera to r-44 and IO HD, then there will be no question.

June 19th, 2008, 09:07 AM	#1
Michael Galvan Major Player Join Date: Sep 2004 Location: New York, NY Posts: 775	Need help - Using Edirol R-4 Pro as Master Timecode generator So I am in need of some help. I’ll be doing a shoot this weekend where we will be capturing the uncompressed HD-SDI from the Canon XL H1 to an AJA IO HD box connected to a Macbook Pro. I’ll be shooting sound with the Edirol R-4 Pro. We’ll be shooting 24F (which will have a 3:2 pulldown to conform it to 60i upond HD-SDI output). To sync it all together, I would like to make the Edirol R-4 Pro the timecode master and connect its LTC output to the LTC in of the AJA IO HD. So therefore, the video coming from the XL H1 should be recorded with the timecode from the R-4 Pro. I will set the R-4 Pro to 29.97D timecode. What is the process of making the R-4 Pro the Master? Is it just a matter of connecting a BNC cable to the LTC out of the recorder and into the AJA IO HD? What do I set the timecode of the R-4 Pro to? I’ve only used the unit as a slave device (setting it to EXT), never as the master. __________________ www.michaelgalvan.com www.screenanthology.com

June 19th, 2008, 08:47 PM	#2
Steve Oakley Trustee Join Date: Apr 2006 Location: United States Posts: 1,158	why not simply feed audio at line level from mixer to the IO HD and do it as single source recording. it will save a lot of time in post. any difference in recording to the r-44 vs the IO HD will be minscule and not worth the extra effort for syncing after the fact. FCP doesn't have any auto-sync feature so it will be full manual to do so... and might as well just clap it because it will be faster. in theory feeding TC into the IO should be ok provided the R-44 has stable TC. might be easier / safer to feed TC from the camera to r-44 and IO HD, then there will be no question.