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G
Gaffer: The
chief lighting technician for a production who is in charge
of the electrical department.
Gain: The ratio
of the signal level at the output of an audio device to
the signal level at its input. Expressed in decibels (db).
Gamma: The degree
of contrast in a negative or print.
Gang Synchronizer: A
synchronizing device having more than One sprocketted wheel
which is used to set up synchronized relationships between
film and sound tracks which have been recorded to magnetic
film. (Film Editing)
Gate: The aperture
assembly at which the film is exposed in a camera, printer,
or projector.
Gigabyte (GH): A
unit for measuring computer memory capacity, equivalent
to 1,000 megabytes (MB).
Gobo: A grip
head or "C" stand head used as a clamping device
for holding other equipment. (Grip)
Grading: The
process of selecting the printing values for color and density
fo successive scenes in a complete film to produce the desire
visual effects. (Laboratory)
Grifflon (Griff): A
durable material made of three ply high density rubber.
The material is attached within a frame and used as either
a soft reflector of sunlight or cut or soften direct sun.
It generally comes in three sizes: 6' X 6', 12' x 12', and
20' x 20'. (Grip/Lighting)
Grip Tape: This
is Duct tape style tape, also known as gaffer's tape or
cloth tape. (Grip)
Guillotine Splicer: A
device used for butt splicing film with splicing film. (Film
Editing)
H
Handle: An
extra number of frames attached to the head and tail of an
optical print as a safety precaution. (Laboratory)
Hard Disk: A data
storage and retrieval device consisting of a disk drive and
one or more permanently installed disks. Increasingly common
for storing sound effects and archiving for future use.
Harmonic Distortion: Acoustic
distortion characterized by unwanted changes between input
and output at a given frequency. (Acoustics)
Hazeltine: A machine
which a color time at a lab or optical house uses to determine
how to 'time' a film print for the proper amounts of red,
blue, and green light. Also called a color analyzer. (Laboratory)
Hertz (Hz): Unit
for measuring frequency of d signal; formerly called "cycles
per second."
Hi-Con: Generally
a high contrast film print which provides the maximum contrast
between the light and dark elements. (Laboratory)
Highboy: A heavy-duty
rolling stand, usually with a combo head, that has a junior
receiver and a large grip head. Also called Overhead Stands.
(Grip/Lighting)
Highkey: An overall
brightly lit scene with realtively few shadows. (Lighting)
High-Pass Filter: An
electronic filter used in various audio circuits to attenuate
all frequencies below a chosen frequency.
Hiss: Asperity
Noise. Noise caused by minute imperfections in the recording
medium (tape). (Sound)
HMI: An enclosed,
AC mercury arc lamp. (Lighting)
Hollywood Box: A
stage plug-type box without fuses. (Lighting)
House Sync: An
internal timing reference used to synchronize all transports
within a facility.
Horse: A support
for one or more rolls of film used on a cutting table.
Hot Splicer: A
film splicing machine of precision construction in which portions
of a film are overlapped, cemented, then warmed and dried
by a heating unit. (Film Editing)
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