48KHz vs 44.1KHz and Pierce-Bohlen Tuning

I just noticed an amusing, although probably not-terribly-useful,
mathematical semicoincidence:

If you were to record something at 48KHz on a DAT deck (many DAT
decks record analog sources only at 44.1KHz) and then play the result
back at 44.1KHz, you will end up almost exactly one Pierce-Bohlen chro-
matic scale step flat. The difference is only about 0.4 cents.

Or to put it another way, 44.1KHz x 13th root of 3 = 47.98884KHz.

Wild, eh?


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