UK regulator seeks to improve live TV captioning
Ofcom notes that the quality of pre-prepared captions (which are called ‘subtitles’ in the UK) is generally very good, and the majority of complaints it receives are related to live captioning. As caption quotas have risen, so have the number of programs being captioned live. Most of this captioning is now undertaken using speech recognition technology, but this is imperfect and errors are common.
Following consultation with viewers and representative groups, Ofcom has concluded that the four key dimensions that affect the quality of live captions are:
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