Panasonic, Sony Develop HD Digital Video Camera Recorder Format
May 11, 2006
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Panasonic, the brand name for which Matsushita Electric Industrial Co., Ltd. is known and Sony Corporation announced specifications for "AVCHD," a new high definition (HD) digital video camera recorder format the two companies jointly established. The AVCHD format allows for recording and playback of high-resolution, digital HD images using 8 cm DVD media.

AVCHD is an HD digital video camera format for recording 1080i and 720p signals onto 8 cm DVD media by using highly efficient codec technologies. The format employs MPEG-4 AVC/H.264 codec for video compression, and Dolby Digital (AC-3) or Linear PCM for audio codec. This makes it possible to develop HD video camera recorders that achieve compact size as well as high-quality video and audio.

The MPEG-4/H.264 codec is said to be two times more efficient than MPEG-2 or MPEG-4 codec technologies.

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