2010/1/8 Marcel Rieux <m.z.rieux at gmail.com>: > I checked a bit Wikipedia to understand the matter. It seems that Ogg > Theora is free and offers good quality streaming. Why then has Dirac > been developed? Dirac is based on wavelets, completely different technology. It's also lossless, while Theora is not. "http://www.bbc.co.uk/rd/projects/dirac/technology.shtml" -c