You would need this if you set the maximum video bitrate (-maxrate bitrate).

若要设置最大的视频比特率（-maxrate bitrate），则会需要它。

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The video bitrate is set at 300 Kbs, faster than the default value of 200 Kbs.

视频的比特率设置为300 Kbs，大大快于默认的200 Kbs。

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This paper proposes a frame processing scheme of video by which transmission bitrate can be efficiently decreased and visual effect can be improved.

提出一种视频帧处理方案，通过这种处理可以有效降低视频传输比特率和改善视觉效果。

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The service also supports custom presets (pre-defined settings made by the customer), making it easy for customers to create re-useable transcoding settings for their unique requirements such as a specific video size or bitrate.

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There's also a slew of original content on the way headed by Arrested Development and House of Cards, and its OpenConnect ISP program has now gotten a boost from high bitrate 1080p video and even 3D.

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Video playback will start at a low bitrate for fast download time and then ramp up to a higher bitrate and quality, up to 1080p with 5.1 audio.

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