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JEM Audio Exam 2
Terms in this set (77)
vibrations that set in to motion longitudinal waves of compression and rarefaction propagated through molecular structures such as gases, liquids, and solids.
sound has both physical (technical) psychological (aesthetic qualities. often depicted as sound waves
the number or cycles (one complete up and down motion from compression to rarefaction) per second. expressed in hertz (Hz) also known as pitch
the amount of molecule displacement from equilibrium to the sound wave's height (crest) and depth (trough). known as sounds loudness. measured in decibles (dB)
a sound's shape, or change in loudness over time.
sound that reaches the listener first
sound that reaches the listener shortly after direct sound. comprised of early reflections and reverberation
The Ear and Hearing
the ear is comprised of: outer ear, middle ear, and inner ear
focusing the sound into the middle ear
protects from loudness and produces vibration for the inner ear
converts sound to electrical signal (cochlea) that is sent to the brain via the auditory nerve
measured by sound-pressure level (dB-SPL)
threshold of hearing
threshold of feeling
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Looking At Movies | UNIT FOUR | Chapter 9 | Sound
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