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Digital Court Reporting Questions with Correct Answers
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Digital Court Reporting Questions with Correct Answers
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Digital Court Reporting Questions with CorrectAnswers
sound Correct Answer-vibrations that can be perceived by the ear
mircophone Correct Answer-converts the acoustical energy that is sound
into an electrical signal that can be delivered to either an analog or a
digital device (first step in capturing a quality recording)
digital mixer or A/D converter Correct Answer-to change analog signal
to a digital signal it will need to pass through an analog to digital
converter, commonly referred to as a __________________________.
Most act as a phantom power source for condenser microphones.
sample rate and bit rate Correct Answer-the two most important factors
in the quality of the new digital audio
low sampling rate Correct Answer-equals approximation
high sampling rate Correct Answer-equals smooth
bit rate Correct Answer-represents the amount of information, or detail,
that is stored per unit of time of recording
microphone type (dynamic or condenser), pickup pattern, size and
stands, cost, cables and connectors Correct Answer-variables that you
, must consider to ensure that the audio quality is preserved when
selecting the microphones that you will use when reporting
dynamic microphones Correct Answer-("moving coil" microphones)
microphone made up of a diaphragm, a coil, and a magnet; as acoustical
energy hits against the diaphragm, which is a flat plate at the front of the
microphone, it causes the coil that is attached to it to move back and
forth over top of the magnet. The movement of the coil over top of the
magnet creates an electrical signal which travels through the wires
within the microphone and eventually reaches your digital mixer or A/D
converter.
Condenser microphones Correct Answer-microphone that consists of a
front plate (diaphragm), back plate, and a 48-volt power source; the front
and back plate together create a capacitor. When acoustical energy hits
the front plate of the capacitor, the distance between the front and back
plate changes. The gap between these two plates is electrically charged.
This charge is created by either an internal battery source or an external
power source referred to as phantom power.
biggest difference between dynamic and condenser microphones Correct
Answer-the way by which acoustical energy is transformed into
electrical energy, one assisted by an electrical source and the other by a
magnet.
pickup pattern Correct Answer-the set path in which a microphone will
intercept sound
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