Flute acoustics: measurement, modelling and design - School of ...

Mean tuning (cents re A 400)
Tuning (cents)
CHAPTER 9. APPLICATIONS AND FURTHER DIRECTIONS 131
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
D4 Eb4 E4 F4 F#4 G4 G#4 A4 Bb4 B4 C5 C#5
Note
-1 octave
loco
+1 octave
+2 octaves
Figure 9.12: The predicted tuning of the Rudall & Rose flute with the tuning slide at 31.0 mm
and the stopper at 15.5 mm.
120
100
80
60
40
20
0
-20
-40
-60
-80
A 461
A 451
A 442
A 431
0 5 10 15 20 25 30 35
Tuning slide position (mm)
Figure 9.13: The mean tuning (relative to A 440) and standard deviation of the Rudall & Rose
flute for each of the tuning slide and associated stopper positions given in Table 9.1. The approx.
tuning of A4 required for the flute to be in tune overall is printed next to each data point.