Flash Problem

Tony Nelson tonynelson at georgeanelson.com
Fri Jan 8 20:10:06 UTC 2010


On 10-01-08 00:21:56, Chris Smart wrote:
 ...
> Dirac is based on wavelets, completely different technology. It's 
> also lossless, while Theora is not.
> 
> "http://www.bbc.co.uk/rd/projects/dirac/technology.shtml"

According to that reference, Dirac is a typical lossy encoding method.  
The loss is introduced by the Quantization step, while the compression 
comes from entropy-coding the quantized (decimated) data with 
Arithmetic Coding.

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