Page 577 - ProShow Producer Manual

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The Video Options pane contains the Video Format and Video Bitrate
that you want to use for the show. You can choose either MPEG4 or FLV.
FLV is an older format, supported by Flash 7 and later. MPEG4 is a newer
format supported by Flash 9 and later. Adobe (the publisher of Flash)
reports that over 99% of all users are using Flash 9 or higher.
Unless you have an extremely specific need, it's highly recommended that
you use MPEG4. MPEG4 will provide a better looking show and a better
streaming experience for anyone viewing your show.

Once you have chosen your Video Format you can select your Video
Bitrate. A higher bitrate, like 5m Broadband, will take longer to load than a
video set at a lower speed. Higher bitrates will provide better quality video,
but they also require more time to load and playback. In most cases, a
medium setting like 768k or 1.5m is a good choice.

The Resolution determines the size of your video. A higher resolution will
require a higher bitrate. In most cases, it's recommended to leave this
setting as-is unless you need to output to a specific size.

The basic rule here is that a higher Resolution will make your show larger,
clearer, and look generally better. A higher Framerate will make the show
appear to play more smoothly. Both, however, will dramatically increase
the size of the video if increased. This can make the video large enough
that visitors with slower connections will have some trouble viewing it.