Tim Wescott wrote:

> There's always some sort of filtering going on, because no system has
> infinite bandwidth. I _am_ saying, however, that in many instances
> (such as EKG strips, video, or control systems) aliasing is better than
> the artifacts that you'd get from a filter that you could honestly call
> "anti-aliasing".
>

i'm interested how any aliasing artifacts could ever be acceptable. The
signal is corrupted, you're saying this corruption is quantifiable? I
would think the anti-aliasing filter signal corruption is more
quantifiable.