LFE
Low-Frequency Effects. A band-limited channel specifically intended for deep, low-pitched
sounds.
LTC
Linear timecode. A timecode developed by the Society of Motion Picture and Television
Engineers (SMPTE) that provides a time reference for editing, synchronization, and
identification.
MPEG
Moving Picture Experts Group. An ISO/IEC working group that develops video and audio
encoding standards. Also the name of a family of digital video and audio coding standards.
MPEG
‑
2
An MPEG standard (ISO/IEC 13818
‑
2) for a group of audio and video coding formats and
related technologies.
MXF
Material Exchange Format. A file format used to transfer and store different types of
content (for example, audio, video, data, or metadata). MXF currently supports various
compression and encoding formats, and its specification can be extended to new essence
formats, if needed.
NAS
Network-attached storage. Data storage that is accessed by means of a local network
connection for fast data sharing and file access.
NTP
Network Time Protocol. A network protocol for clock synchronization on computers.
RAID
Redundant array of independent disks.
RTC
Real-time clock. A specialized battery-powered microchip on a computer motherboard that
keeps track of the current time, even when the computer is turned off.
S/PDIF
Sony/Philips Digital Interconnect Format. A digital interface protocol and specification for a
physical connector for carrying digital audio signals, defined in IEC 60958.
SDI
Serial digital interface.
SM
Security Manager. Embedded software that controls security data and content access from
unwarranted intrusion. SM is required by Digital Cinema Initiatives, LLC (DCI) and is
controlled according to defined policy.
SMPTE
Society of Motion Picture and Television Engineers.
SMS
Screen management system. A device connected to a digital cinema projector that plays
packaged audio and video content and issues automation commands to control an
auditorium environment.
Glossary
Dolby IMS3000 User
ʼ
s Manual
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