Development of combined HDD and recordable-DVD video recorder

A hybrid type video disk recorder, in which HDD and recordable-DVD drives are combined, was developed. The developed key technologies are such as (1) user interface suitable for simultaneous recording and playback, (2) file system suitable for automatic updating recording, and (3) wide bandwidth data buffer. The developed hybrid type video disk recorder has achieved well-balanced user-convenient features as a consumer appliance.