midterm Flashcards
What does a mixer do?
Mix, amplify, record
Analog is converted to
digital signals
Cd play and audio recorder are assigned to a
line level channel
what eliminates hum in a recording
the equalizer
the cue position
sends a sound to an output like headphones
Double system sound
recording on a audio recorder verses a camera
why is digital sound good?
the binary data is recorded and accurately copied
hard surfaces
don’t diffuse sound
number of times a sound wave vibrates up and down per second
frequency
distortion
is bad
amplitude
a sound wave’s intensity or volume
sound amplitude is measured in
decibes or db
example of sound medium
Air, water
what type of wave are sound waves
longitudinal
human hearing range
20hz to 20,000hz