Strong increase in high definition channels continues in Europe. - After spectacular development over the past three years, the European Audiovisual Observatory confirms the continued progression being made by high definition (HD) on the European market with a further surge during the first months of 2012. The number of channels was 274 in 2009, 612 end 2011 and 941 end September 2012 (+54% compared to December 2011). Although the sports, cinema and general channels (the main private...