capture problem?

"Hi,

after shooting with the HDW 750P SONY camera we have found some
problems when we started to edit the footage.

Clips were captured from a MacBook Pro, with the Matrox MXO2, using
the codec Apple Pro Res 422HQ, 10 bits, 4:2:2 full raster.

On importing the clips to FinalCutPro into a sequence, we noticed the
image and audio were out of sync. We were watching , for instance,
take #1 and listening take #3, but after rendering the sequnce, we
realised that the image was definitely take #3.

On the other hand, once the render was done, the motion was not
entirely smooth and fluent. Every 10-15 frames approximately, we
noticed that some frames were duplicated instead of showing different
ones.

So, here it goes the question:

The format we have shot on is HDCAM, which is a 8 bits, 3:1:1
format, and as we have captured the footage in 10 bits, 4:2:2, could
it be the reason why we are having these problems??

Any other ideas?

Thank you very much, I hope someone can help us to solve this.

susana

[susana sanz] "Clips were captured from a MacBook Pro, with the Matrox MXO2, using
the codec Apple Pro Res 422HQ, 10 bits, 4:2:2 full raster. "

That setup is not certified for a ProResHQ capture on a laptop.

That may or may not be part of the issue, dropped frames should not have been an issue on a desktop CPU capture

.[susana sanz] "he format we have shot on is HDCAM, which is a 8 bits, 3:1:1
format, and as we have captured the footage in 10 bits, 4:2:2, could
it be the reason why we are having these problems?? "

No.
that is correct for what you are doing the HDSDI signal out of the deck would be 4:2:2 and the color space conforms to the SMPTE spec.for baseband video.


gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows

Inside look at the IoHD
http://library.creativecow.net/articles/adcock_gary/AJAIOHD.php