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3
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A wave at which sound travels
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4
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Musical tones whose frequencies are in multiples
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5
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A decrease in density and pressure in a medium
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7
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Sound with a frequency greater than 20,000 Hz
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11
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Interference of two waves of frequency and opposite phase (ends with a cancellation)
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15
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The theory or study of the characteristics of musical sound
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16
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Change in pitch due to a moving sound source
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17
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Length of a wave
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18
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The height of a wave
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19
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A discordant group of sounds
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20
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Number of cycles per unit of time of a wave or oscillation
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1
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Our ears interpretation of frequency
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2
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Interference of two or more waves of equal frequency and phase (ends with mutual reinforcement)
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6
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A measure of the loudness of a sound
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8
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Unit used to express difference in power or intensity (between acoustic or electic signals)
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9
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A substance through waves can travel (Liquid, Solid, Gas)
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10
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The branch of physics that deals with sound and sound waves
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12
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Tone quality (independence of pitch and loudness)
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13
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One vibrating object causes another object to vibrate (Same frequency)
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14
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A repetition of sound by reflection of sound waves
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