Mr/Mrs. tek0010, you and your IP address remind me of a certain user several months ago ... hmmm. 🤔
But anyway:
@Dietz said:
There's a clear, undisputable formula to define a circle.
Similarly, there's clear undisputable math describing the air-pressure at a spatial point some defined distance from a sound-source:
[...]
... which has nothing to do with a presumed "scientific volume" of an instrument on a stage. So many variables with fuzzy definitions: Which instrument? Who's the player? What notes were played? On what stage? And: Who has been listening?
To simplify the quest for an answer to all of these questions is what MIR's "Natural Volume" feature was meant to be used for. It's based on extensive measurements of instruments, fine-tuned by ear. It should be seen as suggestion, not as a rule, because there can't be one.
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Dear all: I think that all aspects of this issue have been covered now, and I would suggest to close this thread now, before we start runnig in circles. Thanks for your understanding.