Advanced Video Codec High Definition. It is high quality file format that can be opened by PowerDVD Ultra.
Avchd is high quality video stream file format that is used at new type cameras. It can be opened with current software then easily converted to Avi file. Avchd can record high definition formats without tapes.
In this case, VirtualDub is highly recommended. You can install it and convert your files without trouble.
What to use AVCHD
PowerDVD Ultra, VirtualDubMod, AVISynth
which page related to AVCHD file
AVCHD Related Searches
You can check related links about AVCHD fileextension.