Re: [video] About DCT cores

[Richard Herveille <richard@asics.ws>]

>
> I run the simulation of DCT, and it showed some errors.
>
> 463 Data compare error, received ffd, expected ffe.           1
> 468 Data compare error, received fd2, expected fd3.           2
> 473 Data compare error, received fe9, expected fea.           3

Rounding errors. You can increase the coefficient size to reduce this effect.
Note that this is not a fatal error. The ITU spec says that the combined 
encoder-decoder may have an error of 1 bit.

Richard


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