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Davy's Sound Stack

Flashcards on sound definitions

QuestionAnswer
Sound is this type of wave Longitudinal Wave
The number of waves per second Frequency
Symbol is f frequency
time for one wave Period
Length of one wave Wavelength
Symbol for length of a wave Lambda
Name we give to frequency of sound usually in music Pitch
Measured in decibels loudness of sound
The property of a wave that loudness depends upon Amplitude
A change in apparent pitch caused by the motion of the source or reciever The doppler shift
What actually is passing thru the air when we hear sound Pressure Waves
The product of a sound's frequency and wavelength Velocity
What actually causes most sounds Vibrating objects
The type of resonator with a pressure node at both ends Open Tube Resonator
The type of resonator which has a pressure anti-node at one end Closed Tube Resonator
The type of tube which resonates at 1/2, 1, 11/2, 2, wavelengths Open Tube Resonator
This type of tube resonates at 1/4, 3/4, 5/4 wavelength Closed Tube Resonator
The quality of a sound or the way a vibration actually sounds to a persons ear Timbre
Dissonance An unpleasant sound
Consonance A pleasant sound
The fundamental frequency The lowest frequency which will resonate in a resonator
Harmonic Higher frequencies which will resonate in the same tube as the fundamental
Open pipe (tube) resonator A tube which is open at both ends
Closed pipe (tube) resonator A tube which has one closed end
A loud then soft variation in the sounds amplitude caused by interference Beat
Octave The difference in frequency between a fundamental and the first harmonic
Overtones The name given to the fundamental and all the harmonics
Created by: DBone