Search Keyword By: W

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white peak

In video, a peak excursion of the picture signal in the white direction. [After IEEE-100] [After SMPTE]

white point

In video technology, that point on the chromaticity diagram having the tristimulus of a source appearing white under the viewing conditions; i.e., a spectrally nonselective sample under the illumination of viewing conditions. [After SMPTE]

white reference

1. In video teleconferencing, the light from a nonselective diffuse reflector (in the original scene) that is lighted by the normal illumination of the scene; i.e., that white with which the display device simulates reference white of the original scene. [After IEEE 100] [After SMPTE]
2. In the context of video production, the luminance of a white card having 90%… (Read More →)

white signal

In facsimile systems, the signal resulting from scanning a minimum-density area, i.e., the white area, of the object.

white space

In a Web page, line feeds, carriage returns, spaces, and other typed characters not visible through the browser display window but considered part of the content of a Web page. [After Bahorsky]

whiteboard

A feature of an Internet videoconferencing program that allows participants to use drawing and/or annotation tools to develop collaborative images or to annotate documents that can be viewed by all videoconference participants simultaneously. [After Bahorsky]

who-are-you (WRU) character

A transmission-control character used for (a) switching on an answer-back unit in the station with which the connection has been established, (b) triggering the receiving unit to transmit an answer-back code to the terminal that transmitted the WRU signal, and (c) initiating a response that might include station identification, an indication of the type of equipment that is in service,… (Read More →)

whois

1. An Internet program or a UNIXTM command that displays personal information ( e.g., full name, address, company name, phone number, e-mail address, and log-in status) for an account holder, which information is also used by an Internet network information center (InterNIC) to enable users to identify the existence of a given domain name or the owner of a given… (Read More →)

WICIS

Wireless Intercarrier Communications Interface Specification

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