modern flute
B foot
multiphonic
C5, C6 & D#6
| Acoustics of baroque, classical and modern flutes |
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Fingering Acoustic schematic Non-specialist introduction
to acoustic impedance |
6 & D#6.
Z is plotted in dB, i.e. 20 log(Z/Pa.s.m-3).
This may be compared with the fingering for D#6, but with two register holes. It may be considered as the fingering for C#5/6, with enough cross fingering to flatten C#5 a semitone and C#6 a little more. The 4th, 1st and 3rd minima respectively, correspond to these pitches. The 2nd is unplayable.
The C6 is flat. If C5 and "C6" were an octave apart, they would not be recognised as different, simultaneous notes: C6 would be a harmonic of C5.
6 & D#6.
You can hear the multiphonic C5, C6
& D#6
played by Geoffrey Collins.
may suggest other fingerings for this multiphonic.| Acoustic measurements are available for these flutes - modern B, modern C, classical C, classical D, classical flared, baroque Sound clips are available for modern B, classical flared and baroque |
To compare flutes, it is easiest to open a separate browser window for each instrument. |
a key depressed
a key not depressed
a part of the mechanism that is not normally touched 
a closed tone hole
an open tone hole