For CBR we have terms and definitions in 7 topics. The topics are ATM, Cellular Networking, Computer Technology, DSL, DVD, DVD and CD and Multimedia.

CBR (ATM)

Constant Bit Rate

CBR (Cellular Networking)

Constant Bit Rate

CBR (Computer Technology)

Constant (or Continuous) Bit Rate. Generic expression for an unchanging bitrate for data communications. The opposite is VBR (Variable Bit Rate).

CBR (DSL)

Constant Bit Rate

CBR (DVD)

Constant bit rate. Data compressed into a stream with a fixed data rate. The amount of compression (such as quantization) is varied to match the allocated data rate, but as a result quality may suffer during high compression periods. In other words, data rate is held constant while quality is allowed to vary. Compare to VBR.

CBR (DVD and CD)

Constant bit rate. Data compressed into a stream with a fixed data rate. The amount of compression (such as quantization) is varied to match the allocated data rate, but as a result quality may suffer during high compression periods. In other words, data rate is held constant while quality is allowed to vary. Compare to VBR.

CBR (Multimedia)

Abbreviation for constant bit rate.

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