Absolute pitch

Today I had my first known encounter with someone with perfect pitch. We were in my HST class (“Neural Coding and Perception of Sound”), and Bertrand was telling us about an experiment in which the signal was a sine wave “at 200 Hz… No, 220 Hz…” He was playing us the sound on speakers connected to his laptop: beeeeep. “200 or 220, I don’t remember. Anyone with absolute pitch here?”

And the student two seats over raised his hand half-sheepishly, and said, “It’s 220. A little less than 220 actually, but, yeah, 220.”


(220 Hz is an A, and 196 Hz is the G right below it.)


April 5, 2007. academics, sound. No Comments.

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