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The ratio between the width and the height of the picture. In NTSC television sets, this is 4:3; in widescreen (ATSC) sets, 16:9. Sometimes it is printed decimally as 1.33:1 for 4:3 and 1.78:1 for 16:9. Aston (primarily UK) A synonym for lower thirds, the graphics on the bottom part of a television screen. An on-screen overlaid graphic, usually ...
Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model. [1] Broadcasting began with AM radio, which came into popular use around 1920 with the spread of vacuum tube radio ...
Broadcast (parallel pattern), communication pattern to distribute a message to all machines in a cluster Broadcast domain , a logical area where any computer connected to the network can directly transmit to any other
In broadcasting, a channel or frequency channel is a designated radio frequency (or, equivalently, wavelength), assigned by a competent frequency assignment authority for the operation of a particular radio station, television station or television channel.
Blackout (broadcasting) Block error; Blooper; Blu-ray; Boom operator (media) Bottle episode; Breakfast television; Broadcast automation; Broadcast calendar; Broadcast designer; Broadcast engineering; Broadcast flag; Broadcast journalism; Broadcast law; Broadcast lens; Broadcast network; Broadcast quality; Broadcast reference monitor; Broadcast ...
The term "webcast" had previously been used to describe the distribution of Web or Internet content using conventional broadcast technologies such as those intended for digital video (Digital Video Broadcasting) and audio (Digital Audio Broadcasting), and in some cases even leveraging analogue broadcasting techniques traditionally used by ...
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit.
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