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  2. Digital terrestrial television - Wikipedia

    en.wikipedia.org/wiki/Digital_terrestrial_television

    t. e. Digital terrestrial television ( DTTV, DTT, or DTTB) is a technology for terrestrial television where television stations broadcast television content in a digital format. DTTV is a major technological advance over analog television, and has largely replaced analog television broadcast, which had been in common use since the middle of the ...

  3. DVB - Wikipedia

    en.wikipedia.org/wiki/DVB

    Digital Video Broadcasting (DVB) is a set of international open standards for digital television.DVB standards are maintained by the DVB Project, an international industry consortium, and are published by a Joint Technical Committee (JTC) of the European Telecommunications Standards Institute (ETSI), European Committee for Electrotechnical Standardization (CENELEC) and European Broadcasting ...

  4. Digital Radio Mondiale - Wikipedia

    en.wikipedia.org/wiki/Digital_Radio_Mondiale

    Digital Radio Mondiale ( DRM; mondiale being Italian and French for "worldwide") is a set of digital audio broadcasting technologies designed to work over the bands currently used for analogue radio broadcasting including AM broadcasting —particularly shortwave —and FM broadcasting. DRM is more spectrally efficient than AM and FM, allowing ...

  5. Broadcast television systems - Wikipedia

    en.wikipedia.org/wiki/Broadcast_television_systems

    DVB-C stands for Digital Video Broadcasting - Cable and it is the DVB European consortium standard for the broadcast transmission of digital television over cable. This system transmits an MPEG-2 family digital audio/video stream, using a QAM modulation with channel coding. ISDB. ISDB is very similar to DVB, however it is broken into 13 ...

  6. Digital video - Wikipedia

    en.wikipedia.org/wiki/Digital_video

    Digital video comprises a series of digital images displayed in rapid succession. In the context of video, these images are called frames. [e] The rate at which frames are displayed is known as the frame rate and is measured in frames per second. Every frame is a digital image and so comprises a formation of pixels.

  7. Broadcasting - Wikipedia

    en.wikipedia.org/wiki/Broadcasting

    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 ...

  8. Digital television in the United States - Wikipedia

    en.wikipedia.org/wiki/Digital_television_in_the...

    Digital television sets (equipped with ATSC tuners) are often capable of viewing a baseline set of unencrypted digital programming, known as basic cable or low-tier channels, which typically include local network television affiliates. According to FCC regulations, television providers must provide "separable security" for accessing encrypted ...

  9. ATSC standards - Wikipedia

    en.wikipedia.org/wiki/ATSC_standards

    t. e. Advanced Television Systems Committee ( ATSC) standards are an International set of standards for broadcast and digital television transmission over terrestrial, cable and satellite networks. It is largely a replacement for the analog NTSC standard and, like that standard, is used mostly in the United States, Mexico, Canada, South Korea ...