What is Closed Captioning?
Closed captioning provides deaf and hearing-impaired viewers with a text version of the dialogue, songs and sound effects included in television programs. The text is usually shown in a black box at the bottom of the picture. Current analog captioning is received on analog receivers with teletext capability. Captioning is normally closed to viewers but can be accessed by those who need it. Closed captioning does not interfere with normal viewing. Some digital television set top boxes and integrated digital televisions include closed captioning decoding capability. Consumers intending to purchase a digital television set top box or an integrated digital television and use closed captioning should, before purchase, check on the set top box or integrated digital televisions capabilities. Closed captioning of programming is incorporated in all English language news and current affairs programs as well as for all prime time programs (6.00pm to 10.30pm).
Closed captioning provides deaf and hearing-impaired viewers with the text of what is being spoken on television. The text is usually shown in a black box at the bottom of the picture. Hearing – impaired viewers will be familiar with current analog captioning which can be received on analog receivers with teletext capability. Captioning is normally ‘closed’to viewers but can be accessed by those who need it. Closed captioning does not interfere with normal viewing. The Australia digital terrestrial television (DTT) receiver standard is non – mandatory but currently says that all receivers should have closed captioning decoding capability, including the ability to – (a) decode and display teletext page 801 closed captioning, (b) decode and display DVB bitmapped Subtitles – (a different system used in some other countries but not by Australian broadcasters), and (c) pass teletext closed caption data out on the SD video output in the VBI (Vertical Blanking Interval) so that a standard PAL
Closed captioning provides deaf and hearing-impaired viewers with the text of what is being spoken on television. The text is usually shown in a black box at the bottom of the picture. Hearing-impaired viewers will be familiar with current analogue captioning which can be received on analogue receivers with teletext capability. Captioning is normally ‘closed’ to viewers but can be accessed by those who need it. Closed captioning of programming for hearing impaired viewers will be done for all English language news and current affairs programs as well as for all prime time programs (6.00pm to 10.30pm).
