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-   -   Whats the diference between CBR & VBR (https://forum.dvdtalk.com/dvd-home-theater-gear/227988-whats-diference-between-cbr-vbr.html)

aragorn69 08-07-02 01:36 PM

Whats the diference between CBR & VBR
 
what's better???? what's the difference???? thanks

Brian Shannon 08-07-02 01:49 PM

Re: Whats the diference between CBR & VBR
 

Originally posted by aragorn69
what's better???? what's the difference???? thanks
Sorry I have no idea what you are referring to.

Thespian68 08-07-02 02:50 PM

Re: Whats the diference between CBR & VBR
 

Originally posted by aragorn69
what's better???? what's the difference???? thanks
The only definitions of those acronyms I am familiar with are

Constant Bit Rate (CBR)
Variable Bit Rate (VBR)

The terms are most often associated with Asynchronous Transfer Mode (ATM) data networks. In that context, CBR is a fixed bandwidth that is guaranteed at all times. VBR is a best effort service that does not guarantee latency (delay rates) between transmission and reception. CBR is a more costly, but better for delay sensitive applications or where you want a guaranteed bandwidth.

If the acronyms mean the same in the video/DVD world, then you can assume a similar analogy. CBR is more a constant stream of signal, whereas VBR may have variable signal levels with bursts of higher bandwidth when needed.

Hope this makes sense.


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