Jumpy video clips while playing back in edit mode
Moderator: Ken Berry
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hdspringer98
- Posts: 10
- Joined: Sat Apr 26, 2008 2:30 am
Jumpy video clips while playing back in edit mode
I recently purchased the Canon HF100 and shot some HD video at 1920x1080. Earlier today I purchased, downloaded and installed (easily I might add) Ulead VideoStudio 11+ with HD capabilities. My goal was to create a short movie just to get used to the program. Managed to do that but I did notice that while in edit mode if I played the clips back (.mts files) it was far from smooth playback. Any suggestions to improve on that?
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Ken Berry
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Welcome to the forums -- and congratulations on the nice camera!
I have only recently bought a Canon HV20 which as you may know, also shoots high def HDV video, though it does so on a mini DV tape and you capture from it via Firewire. I have to confess that I deliberately avoided buying a camera like yours precisely because it uses the AVCHD format. It's great quality, yes, and small size. But to me, at the moment AVCHD seems to be the most demanding of computer resources of any of the high def (or for that matter standard def) video formats.
Thank you for including your System details, as that is very useful information to have. It seems to me, though, that your computer may just be on the borderline of what can handle AVCHD. If you press my System button below, you will see that I now have a Core 2 Quad 6600 computer with 4 GB RAM and an excellent motherboard and graphics card. It can handle AVCHD with no trouble. But one of the reasons I bought the new computer was that my previous computer, a P4 3.0 GHz with HT and 2 GB RAM, was struggling a bit with high def in general and AVCHD in particular.
In fact, I had been playing around with a small amount of AVCHD from a friend. My P4 could just about edit it, although very slowly, using VS11.5+'s SmartProxy feature. But when I rendered the project back to AVCHD, it could not play it back smoothly at all. In fact I thought the editing and rendering had not worked properly. But then I transferred the rendered AVCHD to my Core 2 Duo laptop which played it just fine. The moral of the story thus seems to be that you need a Core 2 Duo at a minimum to play back AVCHD smoothly. And that is why I said at the outset that I thought your dual core Centrino might just be at the borderline of what can handle AVCHD. And given your description of the non-smooth playback, I suspect it might indeed be on the wrong side of that border!
Anyway, we are only talking about the Editing phase here, and playback within the Editor. And don't forget here that you are in effect asking the program during the editing phase to play back a very demanding format in real time and on the fly!
What I suggest is that you enable SmartProxy. It will take some time to generate proxy files for your AVCHD. But then, you will in effect have proxy SD files which you can edit and playback, and the changes will be applied to your HD original files. That may (should?) improve your playback in the editing phase. The real test, though, will be how the edited and re-rendered AVCHD plays back on your computer in some software DVD player like PowerDVD or WinDVD...
I have only recently bought a Canon HV20 which as you may know, also shoots high def HDV video, though it does so on a mini DV tape and you capture from it via Firewire. I have to confess that I deliberately avoided buying a camera like yours precisely because it uses the AVCHD format. It's great quality, yes, and small size. But to me, at the moment AVCHD seems to be the most demanding of computer resources of any of the high def (or for that matter standard def) video formats.
Thank you for including your System details, as that is very useful information to have. It seems to me, though, that your computer may just be on the borderline of what can handle AVCHD. If you press my System button below, you will see that I now have a Core 2 Quad 6600 computer with 4 GB RAM and an excellent motherboard and graphics card. It can handle AVCHD with no trouble. But one of the reasons I bought the new computer was that my previous computer, a P4 3.0 GHz with HT and 2 GB RAM, was struggling a bit with high def in general and AVCHD in particular.
In fact, I had been playing around with a small amount of AVCHD from a friend. My P4 could just about edit it, although very slowly, using VS11.5+'s SmartProxy feature. But when I rendered the project back to AVCHD, it could not play it back smoothly at all. In fact I thought the editing and rendering had not worked properly. But then I transferred the rendered AVCHD to my Core 2 Duo laptop which played it just fine. The moral of the story thus seems to be that you need a Core 2 Duo at a minimum to play back AVCHD smoothly. And that is why I said at the outset that I thought your dual core Centrino might just be at the borderline of what can handle AVCHD. And given your description of the non-smooth playback, I suspect it might indeed be on the wrong side of that border!
Anyway, we are only talking about the Editing phase here, and playback within the Editor. And don't forget here that you are in effect asking the program during the editing phase to play back a very demanding format in real time and on the fly!
What I suggest is that you enable SmartProxy. It will take some time to generate proxy files for your AVCHD. But then, you will in effect have proxy SD files which you can edit and playback, and the changes will be applied to your HD original files. That may (should?) improve your playback in the editing phase. The real test, though, will be how the edited and re-rendered AVCHD plays back on your computer in some software DVD player like PowerDVD or WinDVD...
Ken Berry
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hdspringer98
- Posts: 10
- Joined: Sat Apr 26, 2008 2:30 am
I don't disagree that I'm on the edge for AVCHD format with the dual core processor. It does play back the clips perfectly directly off the hard drive while previewing prior to importing or going into edit mode. I will enable the smart proxy for future efforts and I also selected HQ playback over instant playback, maybe that will help.