Table of Contents
Advertisement
1.5 Glossary of Terms and Abbreviations
Term
AC
Alternating current
Alarm
A condition or notification of a condition that prevents your DTV701 from performing
properly
Application Soft-
The main host software which sets up the unit hardware, runs the process of acquiring
ware
Transport Stream sources, sets up and monitors the multiplexing processes, monitors
unit operations, and provides interfaces with the network and local users.
ASI (or DVB-ASI)
An "asynchronous" bit-serial physical interface for Transport Streams. Transmitting
and receiving functions are designed such that the time relationships between all pack-
ets and their timing references are unchanged.
ATSC
Advanced Television Systems Committee - sets standards for standard definition and
high definition television in the U.S. Sometimes used to mean the HDTV standards.
Boot loader
Software residing in non-writable zone of flash which executes at unit reset.
Carrier
An RF signal containing coded audio, video, and/or other data
DVB-ASI
see ASI
EIA
Electronic Industries Association
Ethernet
The widely-used LAN technology specified by IEEE standard 802.3
Flash memory
A memory dedicated to storing the unit's software and an image of some hardware pro-
gramming code.
IEEE
Institute of Electrical and Electronics Engineers
LAN
Local area network. Your DTV701 may be connected to an Ethernet LAN.
LCD
Liquid crystal display. The front-panel text screen on your DTV701 is a liquid crystal
display.
LED
Light-emitting diode. The front-panel indicator lights on your DTV701 are LEDs.
Mbps, kbps
Megabits per second or kilobits per second - units of data transport rate.
MPEG
Moving Picture Experts Group - refers to the method of video compression established
by this group.
NVRAM
Non-volatile memory. A memory dedicated to storing the unit's setup parameters. This
memory retains its contents through power outages.
PAT
Program Allocation Table. Master table which identifies all the Programs in the Trans-
port Stream. It associates Program numbers to the PIDs bearing the associated Pro-
gram's PMT.
800015-01 Rev. D
Table 2: Glossary of Terms
Definition
10
DTV 701 User's Manual
wegener.com
Advertisement
Table of Contents
