BBC Two until 23 October 2012, via the Ceefax teletext service. The BBC also offers audio description on some popular programmes for visually impaired-viewers as well as sign language interpretation on some of its programmes for deaf and hard-of-hearing viewers. The percentage of the BBC's total television output with audio description available is 10%, having been increased from 8% in 2008. Originally, programmes from BBC Two were shown in high definition on the dedicated BBC HD channel, alongside programmes from BBC Three and BBC Four, as well as some select series from CBBC and CBeebies. However, in plans outlined by the director
Service Information Service Information Service Information was a regular programme in the early days of colour television in the United Kingdom that gave out engineering information for the radio and television trade. These announcements were made by the BBC continuity announcers of the time and were read over in-vision captions. The programme was broadcast on BBC2 three times a day, 10.00am, 11.30am, and 2.30pm each weekday from 23 October 1967 to 1975, then once a day at 10.30am from 1975 until the final broadcast on 23 December 1982. The IBA (and its predecessor, the ITA) had a similar programme titled "Engineering Announcements",