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Theatre > Sound > Flashcards

Sound Flashcards

1
Q

Audio Amplifier

A

Electronic equipment that increases
the level of a sound signal
Synonym: Amp, Amplifier, Power Amplifier

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2
Q

Audio Assistant

A

Person who works under the
direction of the Audio Department Head
Synonym: A2

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3
Q

Audio Department Head

A

Person in charge of the
audio crew
Synonym: A1

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4
Q

Audio Mixer Console

A

receives audio inputs for
selecting, processing and blending the output to
other audio equipment
Synonym: Audio Board, Audio Desk, Board, Console,
Mixer, Mixing Board

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5
Q

Auxiliary Send

A

A path for sending audio from a
channel strip to an additional destination beyond its
main assigned path

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6
Q

Auxiliary Return

A

Auxiliary Return: A path used for bringing a signal
back into a mixer. Often used to bring the output of
external effects, such as echo, delay, and reverb into
a console.
Synonym: Aux Input

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7
Q

Balanced Cable

A

Used with balanced signal. A
microphone cable.

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8
Q

Balanced Signal:

A

Type of audio signal with two
conductors plus shield
Synonym: Balanced Line

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9
Q

Block Diagram

A

A line and box-based visualization of
audio and control signal paths in a system.

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10
Q

Cardioid

A

A unidirectional microphone pickup
pattern characterized by its inverted heart shape.
The narrowest pattern is Hyper-_______

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11
Q

Compressor

A

Reduces the level of an audio signal if
its amplitude exceeds a certain threshold.
Decibel: a unit used to measure the intensity of a
sound or the power level of an electrical signal by
comparing it with a given level on a logarithmic
scale.
Synonym: dB

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12
Q

Direct Input Box (DI)

A

An electronic device used to
convert high impedance unbalanced signal to low
impedance balanced microphone level.

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13
Q

Diversity

A

A radio reception technique in which signal
is obtained by selecting the stronger of two
independent sources at any given time.

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14
Q

Dropout

A

Loss of transmission signal used by a
wireless mic.

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15
Q

Dynamic Microphone

A

Common electro-mechanical
sound pickup device

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16
Q

Equalization

A

The process of using equalization to
suppress resonances in a sound system that may
otherwise cause feedback.
Synonym: EQ

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17
Q

Floor Surface Microphone

A

Microphone designed to
be placed directly on the floor
Synonym: Dance Mic, PMZ

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18
Q

Foldback Monitor

A

Stage area loudspeakers
positioned for the performers to her themselves
and/or other sound sources
Synonym: Monitor, Stage Monitor, Wedge

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19
Q

Frequency

A

The rate at which a sound vibration
occurs that constitutes a wave, usually measured per
second. Scientific name for pitch.

20
Q

Front of House Mixer

A

Person in charge of the audio
mix heard by the audience.

21
Q

Harmonics

A

An overtone accompanying a
fundamental tone at a fixed interval, produced by
vibration of a string, column of air, etc. in an exact
fraction of its length.

22
Q

Headroom

A

The amount by which the signal-handling
capabilities exceed the desired operating level.

23
Q

Hertz

A

A measurement of sound vibrations
(frequency) per second.
Synonym: Hz

24
Q

High Impedance

A

Electronic input/output circuits
with an impedance of several thousand ohms or
more
Synonym: High Z, Hi Z

25
Q

Intermodulation

A

Results when two or more wireless
signals, of different frequencies, are mixed together
and additional signals are formed.
Synonym: Intermod, IMD, IM

26
Q

Kilohertz

A

A unit of frequency equal to one thousand
cycles per second.
Synonym: kHz

27
Q

Lavaliere Microphone

A

Small microphone worn on a
performer
Synonym: Body Mic, Lapel, Lapel Mic, Lav

28
Q

Limiter:

A

A dynamic effect. Process by which the
amplitude of a signal is prevented from exceeding a
predetermined value.

29
Q

Line Check:

A

Process of testing every input signal
device on stage, usually without performers present

30
Q

Low Impedance:

A

Electronic input/output circuits
with an impedance of a few hundred ohms
Synonym: Low Z, Lo Z

31
Q

Microphone:

A

Electro-mechanical device that
converts acoustic energy into electrical energy
Synonym: Mic, Mike, Pickup

32
Q

Microphone Boom Arm:

A

Adjustable extension for a
microphone stand
Synonym: Boom

33
Q

Microphone Stand:

A

Freestanding, telescoping,
vertical assembly on a base to support microphones
Omni-Directional: Microphones that pick up sound
with equal gain from all sides or directions.

34
Q

Parametric Equalizer:

A

Frequency manipulation
device which allows: 1. control over frequency levels
(boosting or cutting decibels); 2. selection of the
center/primary frequency; 3. manipulation of
bandwidth/range (also known as Q or quotient of
change) of each frequency

35
Q

Personal Monitor:

A

Earphone style audio monitor that
is fitted into the artist’s ear
Synonym: Earwig, IFB, In-Ear, Ears

36
Q

Phone Connector:

A

Ring and tip 1/4” diameter audio
connector most often used for line level signals
Synonym: Phone Jack, TRS, 1/4”

37
Q

Pop Screen:

A

Protective screen placed in the front of
a microphone to reduce the popping and breathing
noises produced by close vocal work

38
Q

Program Microphone:

A

A microphone mounted in a
venue to capture sound of a performance, which is
then relayed backstage for performers to monitor,
shared with Assisted Listening Devices, and/or
recorded.

39
Q

Radio Frequency Interference:

A

A disturbance
generated by an external source on an electrical
circuit via electromagnetic induction.
Synonym: RF, RFI

40
Q

Voltage Control Amplifier:

A

Mixer application
involving signal routing. Assigning control of a group
of faders to a single fader while maintaining the
relative levels throughout the group.
Synonym: Variable Gain Amplifier, VCA

41
Q

Snake:

A

Thick cable containing a combination of many
individual audio cables inside a common, sturdy
outer jacket.

42
Q

Sound Designer:

A

Individual responsible for all
creative and technical aspects of sound for a
production.

43
Q

Sound Supervisor:

A

Department head for sound at a
theatre company.

44
Q

Subwoofer:

A

Speaker designed to reproduce very low
frequencies; typically 20-200 Hz.
Synonym: Subs

45
Q

Transducer:

A

Device that converts acoustic energy
into electrical energy (microphone) or electrical to
acoustic (loudspeaker).

46
Q

XLR:

A

Trade Name (ITT-Cannon); multi-pin locking
connector. Synonyms: 3 Pin

Theatre (1 decks)

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