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Encoding video at a variable bit rate

Encoding video content at a variable bit rate enables you to specify, from 0 to 100, the image quality that you want to maintain throughout the encoding process. Specifying the desired image quality will cause the bit rate to fluctuate according to the complexity of the scene—a higher bit rate is used for intense detail or high motion, and a lower bit rate is used for simpler content. If bit rate is more important to you than image quality, you can specify a desired bit rate and the encoder will establish the image quality level that can be achieved reasonably.

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