Connector with 3 or 5 wires for balanced & unbalanced Audio (i.e. PHOENIX®, captive screw).
Symbol= MHz, equivalent to 1 million Hertz or 106 Hertz.
MODulator DEModulator. Device used in telephony for bidirectional access.
Image with a single color or black & white. Nowadays, monochrome images are only used in High Resolution applications such as in Military or Medical environments.
Motion Picture Expert Group. Process for compressing moving pictures (i.e. M.PEG2 for TV & HDTV) for transport or storage.
Audio & Video compression algorithm.
High efficiency compression algorithm. (MPEG & ITU group).
see Adaptive Motion Compensation.
Method of scanning all the lines of a picture (1 image = 1 frame = 1 field). E.g. for a computer working in SVGA at 800 x 600 lines, it gives 600 lines per frame. For some HDTV formats, the scanning method is the same but is called "progressive".
National Association Broadcaster.
National Systems Contractors Association.
National Television Standard Committee. Television standard used in North America, Japan and other parts of the world (South America and Asia). NTSC has 525 horizontal and interlaced lines refreshed at 60 fields per second. The Chrominance subcarrier is of 3.58 MHz (sometimes 4.43 MHz). See also FRAME RATE.
Measurement of resistance (named after Georg Simon Ohm), shown by the ½ symbol. 75 Ohms is the standard load for an RGB video signal.
On Screen Display.
see S.Video connector.
Action of cutting and mixing 2 or more video pictures onto the same display.
Opposite of UNDERSCAN. In Overscan mode, to avoid seeing the corners and the borders, the image is displayed about 8% bigger than in standard (Underscan) mode. Standard TV display mode is Overscan.