Recognised as Musical note
E9
- E9
- 10,548.08 Hz
- MIDI 124
E9 is MIDI note 124, sounding at 10,548.082 Hz in equal temperament with A4 = 440 Hz. Its wavelength in air is 0.0325 m, and it sits in octave 9.
Pitch
Scientific pitch notationE9
MIDI note number124
Pitch classE (4)
Octave9
As a sound wave
Wavelength in air0.0325 mat 343 m/s, dry air at 20 °C
Period0.0948 ms
Frequency one octave up21,096.164 Hzdoubling the frequency
Frequency one octave down5,274.041 Hz
AudibleYeshuman hearing runs roughly 20 Hz to 20 kHz and narrows with age
Intervals from here
Octave belowE8 · 5,274.04 Hz
Perfect fifth belowA8 · 7,040 Hz
Semitone belowD#9 · 9,956.06 Hz
Semitone aboveF9 · 11,175.3 Hz
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