34
2 The Scientist’s Perspective on Brass Instrument Behaviour
0
1
2
3
4
5
6
Time (s)
-2
-1
0
1
2
Pressure (Pa)
(a)
(b)
(c)
(d)
4.25
4.26
4.27
4.28
4.29
4.3
Time (s)
-2
-1
0
1
2
Pressure (Pa)
Fig. 2.2 (a) The note F4 played on a tenor trombone: staff notation. (b) The radiated acoustic
pressure recorded on axis 50 cm outside the bell. (c) Zoom to 230 ms of the radiated pressure signal
starting at t = 0.92 s. (d) Zoom to 50 ms of the radiated pressure signal starting at t = 4.25 s
2 The Scientist’s Perspective on Brass Instrument Behaviour
0
1
2
3
4
5
6
Time (s)
-2
-1
0
1
2
Pressure (Pa)
(a)
(b)
(c)
(d)
4.25
4.26
4.27
4.28
4.29
4.3
Time (s)
-2
-1
0
1
2
Pressure (Pa)
Fig. 2.2 (a) The note F4 played on a tenor trombone: staff notation. (b) The radiated acoustic
pressure recorded on axis 50 cm outside the bell. (c) Zoom to 230 ms of the radiated pressure signal
starting at t = 0.92 s. (d) Zoom to 50 ms of the radiated pressure signal starting at t = 4.25 s