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Digital multimedia broadcasting ( DMB) is a digital radio transmission technology developed in South Korea [1] [2] [3] as part of the national IT project for sending multimedia such as TV, radio and datacasting to mobile devices such as mobile phones, laptops and GPS navigation systems. This technology, sometimes known as mobile TV, should not be confused with Digital Audio Broadcasting (DAB ...
In mass communication, digital media is any communication media that operates in conjunction with various encoded machine-readable data formats. Digital content can be created, viewed, distributed, modified, listened to, and preserved on a digital electronic device, including digital data storage media (in contrast to analog electronic media) and digital broadcasting. Digital is defined as any ...
Digital broadcasting is the practice of using digital signals rather than analogue signals for broadcasting over radio frequency bands ( radio broadcasting ). Digital television broadcasting (especially satellite television) is widespread. [citation needed] Digital audio broadcasting is being adopted more slowly for radio broadcasting where it ...
Broadcasting. 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 ...
Digital radio is the use of digital technology to transmit or receive across the radio spectrum. Digital transmission by radio waves includes digital broadcasting, and especially digital audio radio services .
In communication, media are the outlets or tools used to store and deliver content; semantic information or subject matter of which the media contains. [1] [2] The term generally refers to components of the mass media communications industry, such as print media, publishing, news media, photography, cinema, broadcasting ( radio and television ), digital media, and advertising. [3]
Data transmission, digital transmission or digital communications is the transfer of data over a point-to-point or point-to-multipoint communication channel. Examples of such channels include copper wires, optical fibers, wireless communication channels, storage media and computer buses.
Webcast. A webcast is a media presentation distributed over the Internet using streaming media technology to distribute a single content source to many simultaneous listeners/viewers. A webcast may either be distributed live or on demand. Essentially, webcasting is "broadcasting" over the Internet. The largest "webcasters" include existing ...