"iFrame's based on industry-standard codecs H.264 and AAC, but it's got a standard res of 960x540 and it's designed by Apple "to speed up importing and editing by keeping the content in its native recorded format while editing." Currently, the only two camcorders using iFrame are the Sanyo VPC-HD2000A and VPC-FH1A." - Alan Cheslow from Bookmarklet