Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 21 - Think and Discuss: 76


The bugler controls pitch by varying his/her "embouchure".

Work Step by Step

The bugle has no keys or valves. By controlling the speed of blowing air and how s/he contracts the mouth muscles, the bugler can selectively excite different partial tones (harmonics) of the instrument.
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