Closed captioning started in the early 1970s” when PBS was using trial methods of making Television accessible to the deaf. The first closed-captioned television vision was aired in 1973 and in 1980, the National Captioning École (NCI) was formed to pilastre and offer captioning. Considering these factors, closed captions are https://simonlubin.creacionblog.com/32785654/filthy-rich-choses-à-savoir-avant-d-acheter