it is digital in the sense of steps but then we have to be careful not to mistake digital and sampling rate; the very notion of “rate” comes FROM a “smooth reality” assumption; this notion that we can break up a smooth continuum into evenly spaced, evenly sized discrete steps, convenient because that happens to be oscillations which are modeled on hypothetical circles; and so when we are at DIGITAL we end up back at continuous because of our mathematical tools which are based on continuous reality assumptions from Newton’s time.
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sampling always reaches that point where you can’t go any more fine. I think that’s been one of my most fun quests; trying to see what kind of granularity is possible with the different sensory modalities.
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I _think_ with the acoustic modality in humans you get SINGLE NEURON activation which as at the millisecond level; useful in as fast as 5 ms with discrimination; so for example, if tuning an instrument you can sense the fine beats between two notes of the same instrument that are out of tune.
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