Panasonic this morning launched the CEATEC expo in Japan with some of its first TV recorders with built-in Blu-Ray burners. The DIGA BW700, BW800, and BW900 all have 4X BD-R drives that can record programming from either their single analog or dual digital TV tuners to the recent disc format. By using AVC (H.264) rather than MPEG-2, this lets users store an exceptionally large amount of video on a single disc: up to 18 hours of digital video can be stored on a 50GB dual-layer disc by using a more heavily compressed high efficiency mode, Panasonic says. Hard drives also keep a more permanent collection, with up to 1TB of content (381 hours) available to watch or burn late.

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