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-   -   720p/60 footage stutters in Premiere Pro Cs5 (http://www.dvinfo.net/forum/sony-nxcam-avchd-camcorders/495400-720p-60-footage-stutters-premiere-pro-cs5.html)

Kevin Leroy May 3rd, 2011 10:13 PM

720p/60 footage stutters in Premiere Pro Cs5
 
Hello: I have recently purchased a NX5U and Adobe Premiere Pro CS5. Prem Pro plays and edits raw 1080p/24 footage very well. However, when playing/editing 720p/60 recordings, it jumps/stutters about every 2 seconds. In comparison, I played/edited the same recording in Final Cut Express. FCE played the clips just fine (of course after waiting for log/transfer of raw file). If anyone has any wisdom to share, please guide me. Thank you.

Ron Evans May 4th, 2011 05:46 AM

Re: 720p/60 footage stutters in Premiere Pro Cs5
 
The processor isn't powerful enough to decode and play the 720P60 AVCHD file smoothly. You will need a more powerful machine to play all the AVCHD files native.

Ron Evans

Kevin Leroy May 4th, 2011 07:49 PM

Re: 720p/60 footage stutters in Premiere Pro Cs5
 
I did not know that AVCHD 720p/60 was more intensive on the processor than 1080p/24. Now I'll be saving for a better computer.
Thank you Ron for the help.

Ron Evans May 5th, 2011 07:08 AM

Re: 720p/60 footage stutters in Premiere Pro Cs5
 
It is not a lot more data crunching but is likely enough to make a difference. For 720P60 the computer has to decode 60 frames a second but for 24P only 24 frames a second. Although the total number of pixels decoded is only a little more for 720P60 it has to be in at 60 frames a second. There is only 1/60 sec for the computer to decode. For 24p there is more than twice as long for the computer to decode each frame.

Ron Evans


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