Panasonic TU-HDS20 manual Glossary and Acronyms, Dolby Digital

GLOSSARY AND ACRONYMS

Glossary and Acronyms

APG	Advanced Program Guide. DIRECTV new generation of the electronic program guide.
ATSC	Advanced Television Systems Committee. Standardization body that developed the
	Digital Television Terrestrial formats.
CAM	Conditional access module, usually referred to as the access card. A removable,
	electronic subassembly providing conditional access control of the subscriber
	terminal.

CSR DIRECTV®

Dolby Digital

Customer Service Representative

DIRECTV is a registered trademark of DIRECTV, Inc., a unit of Hughes Electronics Corporation.

Digital Audio 5.1 Channel Sound as defined by Dolby Laboratories. Dolby Digital (also known as AC-3) is a coding technique that provides five independent, full frequency response audio channels plus one low frequency bass channel.

DST	Daylight Saving Time
DTV	Digital Television
HD	High Definition
HD-DIRECTV	High Definition Digital Satellite Service
IPPV	Impulse pay per view. A method for ordering service on “impulse”where payments are
	required for each program or special event independently.
LNB	Low Noise Block downconverter. Portion of ODU that receives the satellite signal and
	converts the signal into L-band frequency of 950-1450 MHz.
MPAA	Motion Picture Association of America. Guild governing rating assignments to movies.
NTSC	National Television Systems Committee. Standardization body that developed the
	Analog Television Terrestrial formats.
ODU	Outdoor Satellite Dish Unit. The System that provides signal reception and down
	conversion.

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