I have been happily using GoPro Hero3 files with Avid Media Composer 5, but GoPro Hero3 files with MC6 lost start-time and it’s not ideal for editing work.
However, if you have got one Hero3 and want to imput the recorded HD movies to Avid Media Composer for editing, you are likey to meet the similar errors like the above user. To help all guys to solve the problem, we searched far and wide. From some users’ feedback, we know MC 6 does not support info from GoPro files anymore. While, if you've transcoded Hero3 MP4 videos to DNxHD, you will easily get file to Avid for smoothly editing.
Tutorial on converting GoPro Here3 video to Avid DNxHD for Avid MC 6 on Mac OS X
Step 1: Step 1: Launch the recommended Brorsoft Video Converter and then click the adding button to import your 1080p H.264 MP4 files from Hero3 to it. If necessary, you can click the box "Merge into one" to combine several videos to one file.
Tip: The convert tool is a professional all-in-one video converter with CUDA/AMD for you to encode any video to any video for playing and editing.
Step 2: Click Format on the main interface and choose Avid Media Composer > Avid DNxHD(*.mov) as output format.
Step 3: Tap the Settings icon, and you can adjust codec, bit rate, frame rate, sample rate and audio channel in the Profile Setting to get the output in best quality. You are advised to set the video size as 1920*1080 and set the video frame rate as 30fps.
Step 4: Start to convert GoPro Hero3 H.264 footages to Avid Media Composer 6 favorable DNxHD .mov format via hitting the Convert button.
When the 1080p MP4 to Avid MC 6 conversion is 100% completed, you can get the resulted video via hitting on Open button. Moment later, you can import GoPro Hero3 1080p MP4 to Avid Media Composer 6 with easy editing. Don’t worry about any quality loss.
Related guides:
Get GoPro Hero3 1080 60p MP4 into Adobe Premiere Pro CS6 smoothly
Import GoPro Hero3 H.264 MP4 video to Final Cut Pro 7 on Mac OS X
Transcode GoPro HD Hero 2 H.264 1080p MP4 files to ProRes for FCP
Transcode Canon EOS-1D C 1080p MOV to ProRes for FCP
MOV to ProRes Converter for Mac- Get H.264 MOV files into FCP
Convert Canon PowerShot G1 X H.264 1080p MOV to ProRes for FCP