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broadcast audio
audio midterm
27
Film, Theatre & Television
Undergraduate 1
05/06/2009

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Cards

Term
1. When choosing a mic base it on what three things
Definition
polar pattern, frequency response, and dynamic range
Term
Q=
Definition
Bandwidth
Term
frequency response
Definition
output of mic ovr its operating range of frequencies
Term
dynamic range
Definition
how much sound pressure can a mike take before distortion happens
Term
a stereo chorus is split into three tracks
Definition
a dry track and a left and right track that has been pitch shifted or (tuned 50 above and below dry track)
Term
Low Frequency Oscillator
Definition
on a syntesizer-can pitch shift in real time so you can bend notes,
Term
stereo phlanging is
Definition
achieved by using two tape recorders
Term
______ gives you an echo effect
Definition
Delay
Term
how can an audio engineeer add sound reflection
Definition
by adding reverb
Term
Attenuate is a level setting measured in
Definition
Decibels... pulls down the level and lessens signal stregnth...used when voice or instrument is too loud
Term
a band is measured in and is a
Definition
hertz p/s and is a single filter within an equalizer
Term
Resonance is
Definition
another term for Q value; same as bandwidth and measured in octaves
Term
In addition to the peaking filter, a parametric equalizer also has what three things
Definition
Q value, resonance and bandwith which offers gain control
Term
the element of a microphone means
Definition
the part of the diaphram that is doing the transducing
Term
a microphone pre-amplifier is used to
Definition
bring the very low signal of the microphone up to line level
Term
in a microphone what does the diaphram do
Definition
component that moves with the sound waves causing other parts to vibrate making an electric current
Term
dBu
Definition
a unit of measurement in an electric circuit
Term
dynamic microphone runs on
Definition
electromagnetic energy
Term
most common type of dynamic microphone is made with a
Definition
moving coil
Term
a condenser microphone uses what kind of induction
Definition
electro-static
Term
a condenser mic contains a coil that uses what type of power
Definition
phantom power 48 volts
Term
phantom powers range
Definition
9v-52v
Term
how to solve proximity effect
Definition
cut off at 40hz or 80hz on mic -
uni directional mike solve prox effect with roll off filter
Term
polar pattern determines
Definition
how much sound is captured by the mic
Term
Impendance
Definition
resistance measured in OHM's
Term
A balanced signal is achieved by
Definition
tip ring sleeve, XLR and three pin (all of the above)
Term
An RCA jack is
Definition
an unbalanced connection
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