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22 Cards in this Set

  • Front
  • Back
Q
What is timbre?
A
The blending of the fundamental tone and the overtones making up the characteristic sound quality of a sound.
Q
What is music?
A
A set of tones combined in ways that are pleasing to the ear.
Q
What determines sound quality?
A
Timbre, the blending of the fundamental tone (frequency) and the overtones.
Q
Name the 4 major groups of instuments.
A
1. Strings
2. Brass
3. Woodwinds
4. Percussion
What is the frequency at which a standing wave occurs in an instrument (object)called?
A
The resonant frequency
Q
The resonant frequency produces a pitch called the ________.
A
fundamental tone
Q
What are overtones?
A
The higher pitched tones produced by an instrument in addition to the fundamental tone.
Q
The sounds produced by different instruments have _____ _____.
A
different timbres (this graph shows an "A" played on an oboe)
Q
Do overtones have a higher or a lower pitch than the fundamental tone?
A
Overtones have a higher pitch.
Q
How is sound produced in a string instrument?
A
The string vibrates when plucked or rubbed.
Q
What causes the sound in a brass instrument?
A
The player's lips vibrate when he/she blows into the mouthpiece. This causes the column of air to vibrate.
Q
What causes the sound in a percussion instrument?
A
The part of the instrument that is struck vibrates.
Q
In a woodwind or brass instrument what happens if the instrument (column of air) is longer? Shorter?
A
The longer the instrument, the lower the pitch. The shorter the instrument, the higher the pitch.
Q
What has frequencies 2, 3 or 4 times the fundamental tone?
A
overtones
Q
What is noise?
A
A sound that has:
1. no pleasing timbre
2. no identifiable pitch
Q
Two or more sound waves interacting is called?
A
interference
Q
Name the types of interference.
A
The are 2 types of interference: constructive interference and destructive interference.
Q
What are acoustics?
A
Acoustics describe how well sounds can be HEARD in a particular room or hall.
Q
What are beats?
A
repeated changes in loudness when 2 or more frequencies are played together
Q
What do you call the sound when 2 or more tones without a musical relationship are played together?
A
dissonance
Q
What do you call a sound with pleasing timbre and identifiable pitch?
A
music
Q
How is sound produced in a woodwind?
A
The reed (a thin, flexible material) vibrated when the player blows into the mouthpiece. This causes the column of air in the instrument to vibrate.