2a. Background - Demand
languages/communication difficulties
living or travelling in other countries
(news, education, amusement)
hearing impaired and elderly
- subtitles quantity: from 30%(?) to 100% of broadcasts
- quality: validation by (weak) user groups
- audience: lack of indicators on teletext pages' users
- style: differences in different countries
- DVD: uncertainty in a new area
- lack of awareness and co-ordination