Summary: If you’re having difficulty uploading AVCHD Lite videos from Panasonic Lumix ZS3 to iMovie, you’d better follow the steps below and anything can be resolved.
I have a Panasonic Lumix DMC-ZS3 (aka DMC-TZ7) Digital still camera. It writes video in AVCHD Lite HD Format into an MTS container with MPEG4 Video (H.264) 1280x720 at 59.94fps NTSC, with a Dolby AC3 48000Hz Stereo 192kbps Audio soundtrack. (Total Bitrate ~ 20000kbps). Overall, it is a great HD camera for us. While, I am having difficulty uploading AVCHD Lite videos from DMC-ZS3 to iMovie program for further editing.
Via Google searching, Apple site has given us a solution- update to iMovie '09 (8.0.3) or later. But the result is that the Panasonic ZS3 video still can’t be imported to iMovie smoothly. The basic reason is due to the AVCHD Lite format, which is not a natively supported one by iMovie, even the latest iMovie 11(Like importing non-standard 1080 60p AVCHD to iMovie is not supported well).
And another solution is to transcode Lumix AVCHD Lite videos to AIC MOV for iMovie with a professional Panasonic Lumix AVCHD Lite converter. And Brorsoft MTS/M2TS Converter for Mac is the right Mac driver for Panasonic Lumix ZS3 AVCHD Lite 720p videos to iMovie 8/9/11.
This user-friendly and professional AVCHD Lite Video Converter for Mac could help you convert your AVCHD Lite to MP4, WMV, AVI, QuickTime MOV and transcode AVCHD Lite to professional encoders, Apple Intermediate Codec, ProRes for iMovie/FCE, Final Cut Pro in a few clicks. If you encounter any problem loading Lumix AVCHD Lite to iMovie 8/9/11, just follow the steps below to make Panasonic Lumix DMC-ZS3 videos editable in iMovie.
How to Convert and Import Panasonic ZS3 AVCHD Lite to iMovie
Step 1: Run the AVCHD Lite to iMovie Converter program you set up just now on Mac, transfer original AVCHD Lite footages to the converter.
Step 2: Click the Format box and select iMovie —> Apple InterMediate Codec(AIC) (*.mov) as output format.
Tip: You can tap "settings" to customize the output parameters, adjust the resolution, bitrate as you want.
Step 3. Click the Convert button under the preview window, and the Mac Lumix AVCHD Lite video converter will start converting Panasonic DMC-ZS3 proprietary 720p AVCHD Lite video to iMovie 8/9/11 MOV for iMovie 8/9/11.
After the conversion, it is easy to import Lumix DMC-ZS3 720p HD video to iMovie 8/9/11 for editing. You may also bring the HD videos to other Mac applications like QuickTime, FCP, FCE, Adobe Premiere Pro, etc.
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Source:How to import Panasonic DMC-ZS3 MTS files into iMovie