On Tue, 24 Jul 2007 07:36:13 -0700, MSUTech
>I have a lot of home movies that, through IEEE 1394, I put on our home
>laptop. PREVIOUSLY I was able to select the setting of 2.1 mbps, for the
>speed of the movie.
>When I burn those 2.1 mbps movies to DVD, from Windows Vista, the dvds look
>NOW, in Windows Vista, I don't seem to have an option of what speed I want
>to save these movies at, when I am transferring them from my video camera,
>through IEEE 1394 - I think it defaults to 4 mbps.
>MY PROBLEM: If I create a dvd from these new 4 mbps videos, that dvd is very
>choppy and really hard to watch. I tried to use movie maker to drop it to 3
>mbps, then create another dvd, but, the movie is still choppy.
>Can someone help me determine the best way to take my home movies, from my
>camera, and get them to DVD, without being so choppy?
Just for your information Mbps has nothing to do with speed, it is the
overall QUALITY at which the video is encoded at. The higher the
bitrate the better the quality, however don't get tricked into
assuming you can take a low bitrate source file and make it "better"
just by re encoding at a higher bitrate. That don't work.
Speed for videos is determined by the frame rate which is how many
frames happen per second of playback. For North America, Japan, a few
other countries (see map) the expected frame rate for DVD's is 29.970
frames a second which is based on NTSC specs.
For the rest of the world it is PAL specs.
As far as your question choppy playback can be caused from several
things. The slower the bitrate the easier it is for the decoder. If
you try to play back a high bitrate video on a under powered PC your
computer may have trouble keeping up, thus choppy playback. How does
the DVD play on a set top DVD player?
You can also get choppy results if the source file is encoded at a low
frame rate. For example if you download some video off the web that
was made on a Web Cam, often they use very low frame rates of 12
frames or less per second. The trouble here is it doesn't matter what
the bitrate is, that just sets the quality and has zero impact on
frame rate. If that's the problem the solution is to increase the
Need more information. Brand, model of camera, what frame rate and
bitrate your source files are, are you using Movie Maker exclusively
or something else, things like that.