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A home speaker provides audio while a concert is displayed on a flat screen television. Audiovisual (AV) is electronic media possessing both a sound and a visual component, such as slide-tape presentations, [1] films, television programs, corporate conferencing, church services, and live theater productions.
Several generic digital data connection standards are designed to carry audio/video data along with other data and power: USB was designed as a single connector to support all needs, including any generic data, audio/video, power, and more; DisplayLink is its most successful Audio+Video protocol. Until the 3.0 revision, very low data rates ...
Video, by contrast, encodes images electronically, turning the images into analog or digital electronic signals for transmission or recording. [3] Video technology was first developed for mechanical television systems, which were quickly replaced by cathode-ray tube (CRT) television systems. Video was originally exclusively live technology ...
Digital video is an electronic representation of moving visual images in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images in the form of analog signals. Digital video comprises a series of digital images displayed in rapid succession, usually at 24, 25, 30, or 60 frames per second ...
In modern times, a multimedia device can be referred to as an electronic device, such as a smartphone, a video game system, or a computer. Each and every one of these devices has a main function but also has other uses beyond their intended purpose, such as reading, writing, recording video and audio, listening to music, and playing video games.
Digital audio is also the name for the entire technology of sound recording and reproduction using audio signals that have been encoded in digital form. Following significant advances in digital audio technology during the 1970s and 1980s, it gradually replaced analog audio technology in many areas of audio engineering , record production and ...
This category comprises articles pertaining to the technology used to produce video programming and films. For articles pertaining to the broadcast transmission of television or video signals, see the broadcast engineering category.
An audio/video receiver (AVR) or a stereo receiver is a consumer electronics component used in a home theater, home audio, or hi-fi system. Its purpose is to receive audio and video signals from a number of sources, and to process them and provide power amplifiers to drive loudspeakers , and/or route the video to displays such as a television ...
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