Hard disk drive AVCHD



canon hg10 hdd-based avchd camcorder


a hard disk drive added optional recording medium avchd specification shortly after new video standard had been announced. presently, capacity of built-in hdds ranges 30 gb 240 gb.


pros:



higher capacity other media types, allows longer continuous recording.

cons:



sensitive atmospheric pressure. hdd may fail if camcorder used @ altitudes above 3,000 metres (9,800 ft).
vulnerable mechanical shock or fast movement.
all hdd-based avchd camcorders employ non-removable disks. transfer video computer camcorder must connected usb cable. camcorders require using ac power adapter operation.
the sound of moving magnetic heads may heard in recorded video when recording in quiet environment.
replacing damaged hdd requires disassembling camcorder , cannot done consumer.




^ panasonic , sony expand hd digital video camera recorder format avchd , commence joint licensing . 






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