Why Sony Cyber-Shot AVCHD files can not import to iMovie11

Do you have a Cyber-shot HD camcorder? Do you want to edit your AVCHD video on mac iMovie, fcp? Have you ever meet problem like this:
“How to upload my sony cyber shot videos to my computer?
I just took a video on my sony cyber-shot and I opened up the folder that has all the pictures on it in it, and the video doesn't show up. I can see it when i go through my camera, but I can't find it through my computer. Help?”

Sony Cyber-Shot recording full HD 1080/60p with dual record of stills and movies, the modes including Sony Cyber-shot DSC-HX9V, Sony Cyber-shot DSC-HX5V, Sony Cyber-shot DSC-WX9 , Sony Cyber-shot DSC-HX100V, Sony Cyber-shot DSC-TX10, To convert these AVCHD models 1080p or 1080i recording to Mac MOV, MP4, DV, MPEG, we will use Mac Sony Cyber-shot DSC AVCHD Converter which is specially designed to transfer Cyber-shot DSC AVCHD to Mac compatible MOV, MP4, DV, MPEG etc. formats for editing on FCP(X) and iMovie. And the converting progress is easy and quick.

Tutorial on convert Sony Cyber-shot DSC AVCHD to Mac friendly formats (Lion included):

Step One: Import Sony Cyber-shot DSC Video to Mac AVCHD Converter
Firstly, you need to copy your Sony Cyber-shot DSC video to Mac and launch AVCHD Converter for Mac, then click "Add File" to upload your AVCHD MTS files to the program.

Step Two: Set Output Video Format for Mac
Click "Profile" to open the Profile drop-up list to select MOV, or MP4, DV, MPEG as output video format for Mac OS.

Step Three: Convert Sony Cyber-shot DSC AVCHD Video to iMovie11.
Click "Start" button to convert Canon AVCHD MTS files for Mac. After conversion finished, you can edit your converted MTS, M2TS files with iMovie(11), FCP(x), FCE, iDVD, etc as you like.