Summary: Follow the guide below and you will know how to import Sony PMW-EX3 MP4 video to Avid Media Composer for editing on Mac OS X(Mountain Lion included).
The Sony PMW-EX3 is a flash-memory based high definition camcorder capable of a variety of frame rates and resolutions using Sony's new XDCAM-EX intraframe codec. When you got some footage after shooting with the PWM-EX3, you may have the need to import Sony PMW-EX3 MP4 recordings to Avid Media Composer for editing. However, it’s a pity Avid MC can’t split BPAV .MP4 files from Sony PMW-EX3 for editing directly. Any easy fix?
The answer is yes. Avid Media Composer best supported video format is DNXHD codec MOV format, but not the MP4. Therefore, you have to use a transfer tool to import Sony PMW-EX3 MP4 to Avid Media Composer for editing. Overall, Brorsoft Video Converter for Mac is one of the best Mac MP4 to Avid DNxHD Converter tool for you. This program comes with an optimized format preset for Avid editing software, which enables you to transcode Sony PMW-EX3 MP4 to DNxHD .mov for using in Avid Media Composer directly. If you are running on Windows PC, please get the Windows version Video Converter for Sony MP4 video.
Solution: Import Sony PMW-EX3 MP4 to Avid MC on Mac for easier editing
Step 1. Install and run the top PMW-EX3 Mac transfer. Then, import Sony PMW-EX3 MP4 footages to the converter.
Tip: Check the “Merge into one” box to join several EX3 clips together.
Step 2. Click on "Format", and select output format from the drop-down list. Follow "Avid Media Composer" > Avid DHxHD (*.mov)”.
Step 3. Click "Settings" button if you’d like to customize advanced audio and video parameters like Video Codec, aspect ratio, bit rate, frame rate, Audio codec, sample rate, audio channels.
Step 4. Hit "Convert" button to start converting PMW-EX3 MP4 to Avid DNxHD immediately. Soon after the conversion, just click “Open” button to get the generated files for edit in Avid Media Composer perfectly.
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Source:Sony PMW-EX3 MP4 Help- Avid Media Composer
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