Problem 379. Chromatic Tuner

Created by @bmtran (Bryant Tran)

Difficulty:Rate

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Given a frequency, return the number of cents difference between the given frequency and its nearest semitone (in 12-tone equal temperament with A440) as well as the semitone it is closest to (in scientific pitch notation, using # for sharp and using natural pitches whenever possible) with A440 referring to A4. Refer to the wikipedia articles below for more information.

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Last Solution submitted on Apr 15, 2024

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@bmtran (Bryant Tran) on 24 Feb 2012

sorry about that. i've fixed it to the best of my knowledge. i hope this didn't cause you too much distress.

Venu Lolla on 24 Feb 2012

Thanks for fixing it. No distress anymore. Cheers.

Óscar on 24 Aug 2012

Nice problem, specially when coming from Austin, Live Music Capital of the World.

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Problem 379. Chromatic Tuner

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Problem 379. Chromatic Tuner

Solution Stats

Last 200 Solutions

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Solution Comments

Problem Recent Solvers11

Suggested Problems

More from this Author56

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