A new land of high definition video is now taking root, and it's not just happening on our televisions, we're also seeing high definition show up in files that are downloaded from the Internet, and videos that are designed to be played on our portable players. The future of HD has arrived. But how much do you know about HD video and HD video format?

AVCHD stands for Advanced Video Codec High Definition. It is a format for the recording and playback of high definition video. AVCHD is a form of video compression that allows the large data files created by HD video recording to be captured and saved on digital media such as hard disk drives and flash memory cards. This format is jointly developed by Panasonic and Sony for use in consumer camcorders.

The AVCHD file extension may be .M2TS, .M2T, .MTS, .TS, .TR, .TP, .TRP, .TOD, .MOD, etc.

Here below is the detailed specification of AVCHD format:

http://n3.nabble.com/file/n434870/avchd_format_specification.png