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Analyzing Your Videos

 
425.893.4300 phone      New! 425.609.2463 fax      sales3@radgametools.com
 
 
 
 
Help Contents
Introduction
Compressing with Bink
Mixing audio into a Bink file
Advanced Bink playback
Bink FAQ
Compressing with Smacker
Mixing audio into a Smacker file
Advanced Smacker playback
Smacker FAQ
Converting media files
Compiling videos to EXE files
Analyzing your video files
Using the RAD Batch Editor
Using list files
Credits
 

The "Analyze" button is one of the most handy features in the RAD Video Tools. Use this button to check general bandwidth use. The Analyze window can tell you a bunch about a Bink or Smacker file without even having to play it. It displays a visual representation of the video file's data-rate. Here is an example of the Analysis window from a Smacker file:

Analysis Window

The graph has three lines: the straight line is the data-rate of a double-speed CD-ROM, the line that starts at the top of the graph is the actual data-rate of the Smacker file, and the third line that starts at the bottom of the graph is the one-second data-rate average. The video's actual data-rate can spike above the CD-ROM data rate without too much trouble, but the one-second average should stay close to your target data-rate! If the one-second average exceeds your CD-ROM target, then you'll definitely have skipped frames. If the "one-second-average" goes above your target data rate, then you're very likely to have skipped frames. If the animation data-rate is way below the target data-rate, then you can improve the quality just by compressing it again.

The analysis option can not only tell you when you exceeded your target data-rate, but it can also tell you when you've over-compressed. If the analysis shows that you are well under your data rate, then you can go back and re-compress for better quality. I find the analysis option so handy that I now automatically check out my videos after every compression. That way I know I'm always getting the best possible quality for my target.

The analysis window has many other options that can be accessed by right-clicking on the graph. Right-clicking on the graph will present the following list of options:


Analysis Window

Close: simply closes the analysis window.

Help: shows this help page.

Zoom: allows you to see the big picture or the really little picture.

Show Legend: hides and shows the legend in the upper right corner.

Show Values: will display the value of each point on the graph (this is really only useful if you're zoomed in a bit).

Show Grid: controls the grid visibility.

Show 1 Second Average, Show 2x, Show 4x, and Show DVD, and Show 1x: all control whether the respective data line is shown in the graph.

Show as Bytes per Frame: controls whether you view the values in bytes-per-frame or bytes-per-second.

Copy Graph and Copy Values: copy the analysis data onto the clipboard.

Print Graph: prints the current graph view.

 
 
 

 
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updated 2/18/08