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VIDEO  Video  is an  electronic  medium for the recording,  copying , playback,  broadcasting , and display of  moving   visual   media History Video technology was first developed for mechanical television systems, which were quickly replaced by cathode  ray tube  (CRT) television systems, but several new technologies for video display devices have since been invented. Video was originally exclusively a live technology. Charles Ginsburg led an Ampex research team developing one of the first practical video tape recorder (VTR). In 1951 the first video tape recorder captured live images from television cameras by converting the camera's electrical impulses and saving the information onto magnetic video tape. Video file format From Wikipedia, the free encyclopedia Jump to navigation Jump to search A  video file format  is a...

Audio file format Jump to navigation Jump to search An  audio file format  is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding meta data) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression. The data can be a raw bit stream in an audio coding format, but it is usually embedded in a container format or an audio data format with defined storage layer. Types Of Audio Jump to navigation MIDI    MIDI  short for ( Musical Instrument Digital Interface ) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and related music and audio devices.  A single M...

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WORLD ENVIRONMENT DAY World Environment Day  ( WED ) occurs on 5 June every year, and is the United Nation's principal vehicle for encouraging worldwide awareness and action for the protection of our  environment . First held in 1974, it has been a flagship campaign for raising awareness on emerging  environmental issues  from marine pollution, human overpopulation, and global warming, to sustainable consumption and wildlife crime. WED has grown to become a global platform for public outreach, with participation from over 143 countries annually. Each year, WED has a new theme that major corporations, NGOs, communities, governments and celebrities worldwide adopt to advocate environmental causes. History World Environment Day [WED] was designated by the UN General Assembly in 1972 on the first day of  United Nations Conference on the Human Environment , resulting from discussions on the integration of human interactions and the environment. Two years l...