113 fps glitchiness...

[Meryem Ersoz]

I have been shooting a lot of overcrank 113 fps footage for the past few days, and the images are amazing, but i'm getting a lot of consistent glitchiness in my footage...looks like:

1) green flashes on playback (transcoding seems to convert them to #2 or else something that looks like dropped frames)
2) repeat frames - image seems to stick on one frame several times

I did a search and found obin's thread on blue frames and this seems similar. Is anyone else experiencing these issues? Is this a known issue or is this something about my camera that should be addressed?

I've uploaded footage representing the problems to a password protected FTP directory and can release access to this footage to anyone interested -- mostly, I am hoping that RED is interested! Since they asked obin for a sample of his problem....I'm hoping that they'll have a look at this.

Shot 2K 2:1, 113fps
file entitled "glitch" is 4K H.264 transcode in RA but exactly what it looks like on playback
file entitled "kayakglitch" is exported straight out of an M proxy through Quicktime (look for the glitch at 53 seconds)

send me a PM and I'll send download access -- or reply here, and I'll PM you...

 

[Jeremy Newmark]

If your overcranking when going to CF cards, Red has told me that you don't want to go beyond 110fps. The camera will let you do 113, but to ensure that you don't have issues or dropped frames, 110 is the way to go. Not sure if this directly relates to the issues your seeing, but it's worth a shot.

 

[Meryem Ersoz]

If your overcranking when going to CF cards, Red has told me that you don't want to go beyond 110fps. The camera will let you do 113, but to ensure that you don't have issues or dropped frames, 110 is the way to go. Not sure if this directly relates to the issues your seeing, but it's worth a shot.

Thanks, Jeremy, I had not heard that. Since I was shooting an event, it's not an issue, since I have tons of useable footage and none of it was critical. But if this was a music video or client video, could present a big problem.

There's so much good info that I miss on these boards, dang...

 

[Matthew Rogers]

I tried shooting 113 to CF cards last week and got something like 50 dropped frames in one clip. Lowered it to like 107 and didn't have any issues.

Matthew