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1

The state of a sound pulse at a particular point in a tube any particular time may be characterized by the direction in which the pulse is propagating, the direction of displacement of the air from its "neutral" position, and whether the pressure is higher or lower than the neutral pressure. If air moves so as to cause an increase in pressure, that means ...


1

The unit of frequency, Hertz (Hz), is defined as the reciprocal of the unit of time, the second. A vibrational frequency given in Hz, like your 440Hz A note, can be converted to a vibrational period in units of seconds by taking the reciprocal. 1/440 = 0.00227, so a tone with a frequency of 440Hz has a period of 0.00227 seconds. In that amount of time, ...


6

Summary A whistle with a much smaller resonating chamber has only a very small set of frequencies it resonates at. A bugle, much longer with a horn on one end, resonates at many frequencies. Both start with broadband noise, but the whistle can only resonate at one frequency, while the bugle can resonate at several. Therefore the bugler can adjust the ...


4

As a point of information, the three-hole tabor pipe, used in combination with a small drum as a 'pipe and tabor', uses the harmonic series of the pipe to produce 1 and a half octaves and theoretically more starting on the octave harmonic (the fundamental is rarely used). The Galician Txistu is basically the same instrument. You can reproduce the same ...


20

On some types of whistle if you blow really hard you can get the second harmonic, sounding one octave higher than the fundamental. A recorder is essentially a whistle with the length of the resonating chamber controlled by the fingers, and you can very easily overblow an octave. Brass instruments more easily play their overtones because you're in direct ...


11

The reason that you can get multiple notes from a bugle is that you can vary your embouchure. If you tighten your mouth, and blow harder, you'll get a higher note because your lips move faster. The bugle is essentially an amplifier of the sound that you make with your lips. It can only amplify frequencies that it resonates to, which is why the bugle has a ...



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