字幕機(Character generator),簡稱CG,是一種用來將文字輸入於影片中的設備或軟體,最初是為了讓聾人也可以看電影而設計出來的,而後來漸漸成了電影中各種方言的最好解釋。現今的字幕機大多是以電腦使用,除可以打字幕之外,也可以打表格等。
CG (Character generator), referred to as CG, is a kind of used to the text input in the film, the equipment or software, the first is to enable deaf people can also be designed out of a movie, but then gradually became a film a variety of dialects the best explanation. Most of today's CG is based on the use of computers, in addition to subtitles, but also can play forms.