US project aims to assess quality of live captioning
In the US, most live or real-time captioning is done by stenocaptioners, who use a phonetic keyboard to create captions as a program is broadcast. (In Australia, live captioning is performed both by stenocaptioners, and by captioners using speech recognition software). The quality of live captions can be variable, and earlier this year, NCAM conducted an online survey which asked caption users to rate different types of caption errors, and the degree to which they make news programs hard to follow.
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