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In Reply to: So what if... posted by Presto on April 4, 2007 at 12:25:00:
Upsampling is kind of like resampling the signal at a higher rate, as you say in your message. If it could be done with a high enough precision, it would seem to be almost a "free" process to increase the sample rate and avoid the problems that result from extremely steep filtering at the Nyquist frequency. Unfortunately, it seems to just add a new set of problems, along with the additional filter stage. Guess nothing comes for free in the real world. But the tradeoffs may result in something better.
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Follow Ups
- Yea, that's what makes upsampling a bit different - Slider 12:47:59 04/04/07 (1)
- Thanks for your input. I guess that's why... - Presto 13:51:07 04/04/07 (0)
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