Capturing Sound Flashcards
Which of the following is one possible covering for twisted pair cable?
Rubber
Which of the following best describes an electret, when used in a microphone?
It contains its own prepolarized material
Lower sensitivity microphones _____.
handle higher sound pressure levels
Because electrets are small, they lend themselves to a wide variety of _____ and quality levels.
applications
In a dynamic microphone, there is a(n) _____ attached to a diaphragm and placed in a permanent magnetic field.
coil of wire
The _____ microphone has a long and narrow polar pattern, and is often used in film and television.
shotgun
Operation of a condenser microphone requires _____ power.
phantom
The simultaneous use of multiple wireless microphone systems requires _____.
Frequency coordination
The _____ microphone rejects sound from the sides better than the cardioid, but picks up some sound from the rear.
hypercardioid
The strength of the signal from a dynamic microphone is _____.
Not as strong as the microphone level signal from a condenser microphone
You might use a microphones frequency response chart to determine _____.
whether the microphone can accurately transduce the bass notes of an orchestral performance
The conversion of energy from one form to another is called _____.
Transduction
Which type of microphone exhibits more pickup at the rear than a supercardioid?
hypercardioid
Attenuation occurs when the signal level is _____.
Decreased
Phantom power is the _____ required to power a condenser microphone.
remote power
The _____ microphone is used mainly for speech or singing applications.
handheld
Typically, what type of connector finishes the shielded twisted pair cable?
XLR
If a technician changes the level of a signal, it is called _____.
gain adjustment
A(n) _____ is a graphical representation of the microphone’s directionality and electrical response characteristics.
polar plot
The strength of the electrical audio signal from a microphone is called a(n) _____ level signal.
mic
Given the same reference sound input level into two different microphones, the more sensitive microphone would provide _____.
A higher electrical output
Phantom power typically ranges from _____ VDC.
12 to 48
An audio signal level that goes up to about 100V is _____ level.
Loudspeaker
A consumer line level is _____ while professional line level is about _____.
0.316 V; 1.23 V
Modern RF wireless microphones allow the user to _____ frequencies to avoid interference.
Change
_____ is a necessary specification for a microphone.
output impedance
