Problem 379. Chromatic Tuner
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.
References:
Solution Stats
Problem Comments
-
4 Comments
@bmtran: Could you please verify that the octave numbers in the semitone names are correct in the test suite? Some of them do not seem to be consistent with http://en.wikipedia.org/wiki/Scientific_pitch_notation
Cheers, VL.
sorry about that. i've fixed it to the best of my knowledge. i hope this didn't cause you too much distress.
Thanks for fixing it. No distress anymore. Cheers.
Nice problem, specially when coming from Austin, Live Music Capital of the World.
Solution Comments
Show commentsProblem Recent Solvers11
Suggested Problems
-
Flip the main diagonal of a matrix
804 Solvers
-
middleAsColumn: Return all but first and last element as a column vector
605 Solvers
-
Make a run-length companion vector
638 Solvers
-
44 Solvers
-
Create a vector whose elements depend on the previous element
673 Solvers
More from this Author56
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!