HDTV
Short for High-Definition Television, a new type of television that provides much better resolution than current televisions based on the NTSC standard. HDTV is a digital TV broadcasting format where the broadcast transmits widescreen pictures with more detail and quality than found in a standard analog television, or other digital television formats. HDTV is a type of Digital Television (DTV) broadcast, and is considered to be the best quality DTV format available. Types of HDTV displays include direct-view, plasma, rear screen, and front screen projection. HDTV requires an HDTV tuner to view and the most detailed HDTV format is 1080i.
* HDTV Minimum Performance Attributes:
Receiver: Receives ATSC terrestrial digital transmissions and decodes all ATSC Table 3 video formats
Display Scanning Format: Has active vertical scanning lines of 720 progressive (720p), 1080 interlaced (1080i), or higher
Aspect Ratio: Capable of displaying a 16:9 image1
Audio: Receives and reproduces, and/or outputs Dolby Digital audio
(* Adapted from Digital Connection)
Read Also:
- HDTV-ready
HDTV-ready refers to a television set which does not come with an integrated HDTV tuner. You must purchase the tuner (also called the HDTV receiver, set-top box, or HDTV decoder) separately.
- HDTV tuner
A device capable of receiving and outputting HDTV signals for display. HDTV tuners can be a stand-alone device or it can integrated in the HDTV display. HDTV has many different consumer names including HDTV decoder, HDTV receiver, and set-top box.
- HDV
Short for High Definition Video, HDV is a video format, commonly used in camcorders, that allows high-definition footage to be recorded onto standard DV tapes. HDV uses Long GOP MPEG2 compression. The HDV format includes both 720p and 1080i specifications. The HDV standard was established by Canon Inc., Sharp Corp., Sony Corp., and the Victor […]
- HD-DVD
Short for high definition-DVD, a generic term for the technology of recording high-definition video on a DVD. In general, HD-DVD is capable of storing between two and four times as much data as standard DVD. The two most prominent competing technologies are Blu-ray and AOD.
- HFC
Short for Hybrid Fiber Coax, a way of delivering video, voice telephony, data, and other interactive services over coaxial and fiber optic cables. An HFC network works consists of a headend office, distribution center, fiber nodes, and network interface units. The headend office receives information such as television signals, Internet packets, and streaming media, then […]