![]() ![]() (We have a separate page on air speed, air flow, pressure and power in woodwind and brass instruments.) Sound is produced by an oscillating motion or air flow In a useful analogy with electricity, it is like DC electrical Of power input to the instrument, but this is a source of continuous ![]() This pressure and the steady flow that results are the source Percent to about a tenth of an atmosphere). (technically, from a few kPa to perhaps as much as ten or so kPa: from a few The player provides air at a pressure above that of the atmosphere.To set the mood, listen to Anthony Heinrichs playing part of the cadenza from the trumpet concerto by Joe Wolfe. How the bore and the vocal tract work together.Frequency response and acoustic impedance.Intonation in the natural harmonic series.Intervals in the naturalharmonic series.Resonances and harmonics of the natural trumpet.Resonances and harmonics of pipes with different shapes.For a range of background topics in acoustics (waves, frequencies, resonances, decibelsĮtc) click on "Basics" in the navigation bar at left. Nor any technical knowledge of acoustics. It requires no mathematics beyond multiplication and division, This page explains the physics of brass instruments (technically the lip reed family). Trumpet, horn, trombone, tuba, serpent, didjeridu. Brass instrument (lip reed) acoustics: an introduction ![]()
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