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Re: "By moving the crossover point from 22.05 to 88.2kHz, 96kHz ...

Once again see that it is being done right now with HDCD. A known ADC signature is being enhanced with a complementary digital filter. We aren't talking a perfect reconstruction but we are getting closer to the orginal than redbook would normally be able to accomplish.


If you decompose the signal into a fourier series, strip the garbage or smoothe it out (think of MLSAA plot being smoothed) and then reassemble the waveform, the end result *can* present a purer signal.

This is very similar to what is happening in MPEG compression and we know that isn't too costly in clock cycles.

If you are still shaking your head and saying "this guy must be an idiot", keep in mind what we are able to do with image reconstruction. Do you think audio data is any different?

-CAL



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