Terms & Definitions - RGBlink C1US User Manual

6.3 Terms & Definitions
The following terms and definitions are used throughout this
guide.
 "ASCII": American Standard for Information Interchange.
The standard code consisting of 7-bit coded characters (8
bits including parity check) used to exchange information
between data processing systems, data communication
systems, and associated equipment. The ASCII set
contains control characters and graphic characters.
 "Aspect ratio": The relationship of the horizontal
dimension to the vertical dimension of an image. In
viewing screens, standard TV is 4:3, or 1.33:1; HDTV is
16:9, or 1.78:1. Sometimes the ":1" is implicit, making TV
= 1.33 and HDTV = 1.78.
 "AV": Audio visual, or audio video.
A "Background" is an unscaled source, typically

originating from a computer. A background source
appears at the system's lowest priority — visually in back
of all other sources.
"Baudrate": Named of J.M.E. Baudot, the inventor of the

Baudot telegraph code. The number of the electrical
oscillations per second, called baud rate. Related to, but
not the same as, transfer rate in bits per second (bps).
 "Blackburst": The video waveform without the video
elements. It includes the vertical sync, horizontal sync,
C1US User Manual 70