Audio / Visual
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Audio / Visual(Audio / Visual), abbreviatedAV Is a word or expression that collectively refers to sounds and images, such as, for example, that both are treated together.
Basically it is a broad concept, but it is used exclusively as a term referring to so-called.
history
In 1978, Nippon Television started the first TV (analog terrestrial) broadcasting. And Sony released the first*in 1983. By this, at home, neither video nor sound, *as it isIt became possible to handle with high fidelity (HiFi), and it became the beginning of the so-called "AV era".
Although it appeared in 1981 in front of the HiFi video, it was not popular in general households as much as a so-called household VTR (provided, however, that while other schemes were forming an alliance, There was a soldier struggle that is a developer, and I saw widespread use as karaoke for business). However, in addition to its quality, a remarkable feature that stable frame advance appreciation is possible was also supported and there was spread to some extent.
Appeared in 1996, it adopts in voice. Therefore, many audio devices to combine with it have appeared, and audio and visual popularity has been seen compared to once.
note
1. *Until then due to technical limitations, both the video quality of the home recording equipment and its audio quality were remarkable deterioration compared with that of the NTSC broadcast wave which is the source . 2. *Especially
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Post Date : 2018-01-31 14:30
This article is taken from the Japanese Wikipedia Audio / Visual
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