Hearing Flashcards
Pure tone
Is produced by simple repeated alterations of compressions and rarefaction
Frequency
The number of complete compression-rarefaction cycles per second
Acoustics
Branch of physics specializing in sound
Amplitude
Graphically describes the intensity of the energy of a vibrating body
Wavelength
The distance between one wave crest to the next
Phase
Term used to describe the position in the cycle of one sound wave relative to another
Resonance
Natural tendency for an object of vibrate, with greater amplitude, at one frequency than others, when the vibratory force is applied
Reflection
Consist of reverberations and echoes
Absorption
Opposite of reflection
Complex wave
Acoustical combination of several different pure tones presented simultaneously
Sound pressure
The deviation from the ambient atmospheric pressure caused by a sound wave
Inverse square law
States that with each doubling of distance from the sound source, there is a 6db SPL decrease
Boyles law
States that as the physical volume that contains a gas decreases, the pressure of the gas increases
Direct contact transmission
Requires close, physical contact between the infected individual and another person
Indirect contract transmission
Occurs when an infected person or Hearing Aid touches a surface such as a table, door, knob, chair, computer, and then another person comes in contact with that surface