Variable Bit Rate (VBR)

Variable Bit Rate (VBR) is a method of encoding audio and video data in which the bit rate of the encoded data is allowed to vary, rather than being kept constant. In VBR encoding, the bit rate is adjusted dynamically based on the complexity of the content being encoded, so that more bits are used for complex scenes, and fewer bits are used for simpler scenes. This allows for more efficient use of the available bit rate, and can result in higher-quality encoding, especially for video with complex and varied content. VBR encoding is often used in conjunction with constant bit rate (CBR) encoding, which maintains a constant bit rate throughout the encoding process, and can be used for real-time streaming applications where a consistent bit rate is necessary.

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