The UK system splits the broadcasters into three levels, all based on their audience share. The biggest category is Level 1 broadcasters, which includes the main free-to-air channels such BBC, ITV, Channels 4 and 5 and the main subscription channels from Sky.
Caption quality is one of the most talked about issues among caption users. There have been advances in dealing with quality in recent years, including the incorporation of quality standards into Australian regulations with the passing of the new captioning rules and regulations in 2012.
Under the Air Carrier Access Act, which was introduced in 1986,airlines are required to offer either open captioning or sign language interpretation on all video safety briefings. Since beginning its service in 2007, Virgin America has failed to offer either. The US Department of Transportation has fined the airline $150,000 and ordered it to cease and desist from further violations of the Act.Virgin America has agreed to add captioning by 30 September 2013.
