In 1985, British Telecom (BT) introduced integrated digital communications network. It provides users with voice, fast delivery chart, fax, slow scantelevision terminals.
Therefore the conversion of interlaced scan to progressing scan, which is deinterlacing, is an important part of current television production, such as digital video post-processing.
因此模拟电视的隔行扫描到逐行扫描的转换即去隔行是当前视频后处理等电视产品的重要组成部分。
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Home television sets and printers are examples of other systems using raster-scan methods.