Specifications

the number of frames you are capturing per second to quickly calculate your disk space

requirements over time.

A Key frame is a complete frame. All other images that are captured into the movie file are

incomplete, and consist merely of the "changes" since the previous frame. This compression

technique is called "temporal" compression, and allows for more efficient use of the hard

disk. The only real drawback to using key frames and temporal compression comes when you

try to do random access on the frames. You will notice that if you create a movie with a key

frame every 2 or 3 seconds or so, that when you move the slide bar to randomly access the

movie, it may not move as smoothly as it had before you changed these settings. Playback and

forward stepping, however, will not be affected.

If you choose to capture Windows Media files, you should click the Profile configuration

button to configure the video and audio codecs.

For optimal quality and performance, you should choose the Windows Media V8 for video, and

version 10 for audio, and then select a suitable Audio format. The combination of audio and

video bit rates (in kbps, kilobytes per second) closely determines the amount of hard drive

storage used.

The Offset stream audio option may be used to account for a constant audio/video sync

problem if one is identified.