Quiz 3 Flashcards
What happens when a string sounds on a stringed instrument?
the fundamental and a set of harmonics is excited
What is the main role of the sound board in a stringed instrument?
to radiate the sound
What does the dynamic range of an instrument quantify?
how much variation in volume it is capable of
What are the ends of the string in a stringed instrument?
nodes in a standing wave
What is the most important role of the bridge in a stringed instrument?
to transfer the vibration from the strings to the soundboard
What increased the frequency, or pitch, of a note on a vibrating string?
reducing the length
What causes beating on a piano?
two sounds of slightly different frequencies interfering
What does the sound hole contribute in a guitar?
very little
What is Hornboster-Sachs?
musical instrument classification scheme
What is polyphony?
a measure of how many notes can be played simultaneously
What is the wavelength on the string in stringed instruments, when relating to sound in air?
less than the wavelength of the sound in air
What do all instruments need to do?
pump the air
