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## Equal TemperamentOne of the methods of addressing the discrepancy in Just Temperament now most widely adopted as the means of tuning western instruments. A method of tuning such that each and every semitone is an equal interval from those above and below. Since an octave is composed chromatically of 12 semitones, the equal temperament is the 12th root of 2 times the frequency or 1.05946309435929 .. Hence starting with A = 440Hz, Bb would be 466.16 Hz (440 x 1.05946 ..)
The differences between Just Temperament and Equal Temperament are shown in the table below:
This shows that the equal tempering actually sharpens some notes and flattens others. The Fifth (G) and the Fourth (F) are the least affected notes other than the octave which is of course precise. |