PSIP data - (Program and System Information Protocol) - This data is arranged as a table with multiple sub-tables. The data identifies the station name, what the sub-channels are, the program name, the following programs, content advisories, language options, and caption options. Some of this data is transmitted as often as 7 times per second.
Anamorphic - the squeezing horizontally of a 16 - 9 image into a full screen 4 - 3 display, resulting in distortion of the image geometry.
5.1 channel - This is 6 channel audio. The 6th channel (the sub-woofer) has reduced bandwidth.
Set-top box (STB) - A box, similar to the familiar cable box, that is capable of receiving, decoding and sending to the associated television the picture and sound of the selected DTV broadcast. The use of an STB would allow the use of conventional televisions to receive DTB programs, but at reduced levels of resolution and with imperfections due to aspect ratio differences, leading to letterboxing or cropping of the sides of the picture.
Composite Video Connection - A method to interconnect video devices (such as a DTV set-top box and the analog television) by sending the signal over a single cable. This method is suitable only for analog NTSC signals
LCD - (Liquid Crystal Display) - A common display technology. LCD is likely to replace CRTs in the smallest HDTV's.
4DTV - This is a DTV subscription service for C-band and Ku-band (a satellite service requiring an 8 foot dish).
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