
Read this: BBC News - Live TV subtitling is too slow, Ofcom says

Summary: The average delay between speech being heard and the corresponding subtitles appearing on screen is 5.6 seconds, according to an Ofcom report. Ofcom also raised concerns that some pre-recorded programmes did not have subtitles added in advance, resulting in the same delays. The three further reports will be published over the course of the next two years. - bbc.co.uk
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