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)
