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RE: How to reproduce the full dynamics of a scissor cutting paper without clipping

Tom

That's an interesting concept, and something that Richard Heyser was interested in, which related to the paradoxes between the quantum domain and our macro world. As you come arbitrarily more precise in one domain, for instance the peak voltage measured by a test microphone, you also become less precise in the average level of an acoustic event in the time domain, at least as far as this relates to the to the "big picture" of our subjective hearing perception. So a car door slamming inside a car can be 140 dB peak, but the time averaged level of a jet aircraft taking off at several hundred feet distance can also be 140 dB.

Back in the 70's recording engineers had to get used to the then-new peak reading VU meters on some stuff, as opposed to the old school ballistics of the more averaging old school VU meters. It was well known that a violin section for instance could be pushed into the red with peaks on the VU meter, but you had to be much more conservative with a close mic'd drum kit for another instance as the peak dynamics could go right past the standard VU meter. The peak reading meters allowed for less leeway by the engineer, but this paved the way for the forthcoming CD digital age in recording where overload had to be avoided at all costs.

Paul


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