change "tuning" to 442 instead of 440

Question

I'm trying to use the nn to go back and forth between frequencies and note numbers, but I'd like to base it on my A (69) being 442 hz and not 440 hz. Is it possible to change it? I imagine there would be people who'd like to change to 432 hz and other base frequencies.

And what is the reason that the A is 440.0000583572d hz and not 440 hz? It's precise enough for me, just curious.

 

Thanks

Anders

Answer 1

You could convert the pitch to hertz and then scale it by the ratio of your reference A in hertz to the built-in reference of A 440, for example:

69 nn hz * (442.0d / 440.0)

or

69 nn hz * (432.0d / 440.0)