iMovie did announce to work with AVCHD which is a camcorder video format used by a variety of camcorder manufacturers. However, it is easier said than done. If you want to import AVCHD into iMovie, you will need a Mac with an Intel-based Core Duo processor or better. Even meeting this requirement, there is still difficulty in importing some of AVCHD format to iMovie especially the high definition format 1080p recorded from Panasonic HDC-TM700, Canon HF S21, Sony HDR-AX2000, Panasonic AG-HMC150 or many other AVCHD camcorders.
Recommend a full guide about how to successfully import all kinds of AVCHD to iMovie.
