EPG - Electronic program guide. An on-screen display of channels and program data.

AACS - Advanced Access Control System. A computer specification for guarding next-generation optical-media content created by the film, electronics, and software industries.

Channel - A 6 MHz (bandwidth) section of spectrum for over-the-air broadcast (channels 2 - 69) or in TV cable that carries one analog NTSC program or one or more DTV programs.

S-Video Connection - A method to interconnect video devices (such as a DVD player and the analog television) by sending the two signals luminance (Y) and an encoded color difference signal (C). The S-Video connection is made using a cable terminated in a small 4-pin connector (in some cases a 7 pin connector is used on computers to allow inclusion of an NTSC composite signal). S-video can greatly improve the picture when connecting SDTV or NTSC displays to a high quality video source such as DVDs.

Composite video. This 1-wire standard contains all video information: intensity, color, and sync. The encoding is the same as NTSC, and thus has the "overlapping sideband" problem which sometimes causes wrong colors to appear.

Luminance - Component of the video signal that represents the brightness of the image.

YCrCb - Almost identical to YPrPb. If you connect a YCrCb unit to a YPrPb unit you might have to adjust the color slightly. YCrCb is an older standard uncommon for consumer connections.

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