jumpy preview in vegas movie studio -- I have vegas 11, how to fix this??

psychcowboy

Commendable
Nov 11, 2016
1
0
1,510
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My video files are generally about 150mB .mp4. When editing the preview windy is jumpy, i.e. difficult to tell if my transitions etc are smooth. When I render it to youtube it is smooth, but the editing process is difficult since it is so choppy. Ways to fix this?
 

jaguarskx

Champion
Moderator
I don't edit video myself. My experience is only limited to encoding DVDs and some Blu-Ray movies to my own specifications. I am going to say that the lag is due the file size and of the video(s), a relatively slow hard drive and possibly a weak CPU.

Large video size requires high read speed especially when dealing with 4k video. Each frame contains a lot of data. The higher the resolution, the more data must be loaded into the editing program. If you have a hard drive, then that is one problem. The solution is to replace it with a SSD which has much faster read / write speeds. I also recommend having at least 16GB of RAM because you are working with a huge chunk of data. When all you system RAM is used up, whatever program you are using to edit video will start swapping data between system RAM and your storage drive. This is another aspect where a SSD comes in handy.

If previewing the video is smooth without using any special effects, then the hard drive or SSD is not a problem.

If the program is rending the transition and other effects you are using while you are previewing it (meaning in real time), then that means either your CPU is weak for what you want to do, the effects you are using are extremely demanding (especially when dealing with high resolution videos), or both.


What are your system specs?
 

jaguarskx

Champion
Moderator
I don't edit video myself. My experience is only limited to encoding DVDs and some Blu-Ray movies to my own specifications. I am going to say that the lag is due the file size and of the video(s), a relatively slow hard drive and possibly a weak CPU.

Large video size requires high read speed especially when dealing with 4k video. Each frame contains a lot of data. The higher the resolution, the more data must be loaded into the editing program. If you have a hard drive, then that is one problem. The solution is to replace it with a SSD which has much faster read / write speeds. I also recommend having at least 16GB of RAM because you are working with a huge chunk of data. When all you system RAM is used up, whatever program you are using to edit video will start swapping data between system RAM and your storage drive. This is another aspect where a SSD comes in handy.

If previewing the video is smooth without using any special effects, then the hard drive or SSD is not a problem.

If the program is rending the transition and other effects you are using while you are previewing it (meaning in real time), then that means either your CPU is weak for what you want to do, the effects you are using are extremely demanding (especially when dealing with high resolution videos), or both.


What are your system specs?
 
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