Edit Sony RX10 III XAVC S video in Avid MC


Came upon incompatibility issues working with Sony RX10 III XAVC S video in Avid Media Composer? If so, you may wish to read this post. It presents a workaround to transcode RX10 III 4K XAVC S files to DNxHD codec for editing in Avid system with optimum performance.
working with Sony RX10 III XAVC S video in Avid
Sony RX10 III is able to capture video recordings in a range of resolutions up to UHD 4K30 as well as high-speed recording in Full HD 1080p at 120 fps. Both 4K and Full HD recording is possible in the 100 Mbps XAVC S format, which is contained within an MP4 wrapper, with 4:2:0 color sampling when recording internally, or 4:2:2 sampling with the use of an optional external recorder via HDMI output.

If you are planning on editing RX10 III XAVC S files in Avid Media Composer, you will find there’s no support for that format in Media Composer. A transcode is required prior to ingest the XAVC S footage into Avid. To process “transcoded editing”, a 3rd party XAVC S Converter app is required. Check a quick guide on how to convert RX10 III XAVC S video to Avid preferred DNxHD.

How to convert RX10 III XAVC S video files to DNxHD for editing in Avid?

Software requirement
HD Video Converter
You can download a demo version to have a try. They are not free but it is totally worth it.
transcode RX10 III 4K XAVC S files to DNxHDRX10 III XAVC S Converter for Avid

Follow these steps:
Step 1: Start up HD Video Converter as a RX10 III XAVC S Converter for Avid. When its main interface pops up, click ‘Add File’ to input your source media.
ingest the XAVC S footage into Avid

Step 2: Choose output format for Avid MC
From ‘Profile’ list, select ‘Avid DNxHD (*.mov)’ as output format under ‘Avid Media Composer’ column.
editing RX10 III XAVC S files in Avid
Important: If you’ve loaded a number of video clips to do batch conversion, please do remember ticking off ‘Apply to All’ option before you start.

Step 3: Custom video and audio settings
If necessary, you can click ‘Settings’ button and go to ‘Profiles Settings’ panel to modify video and audio settings like video encoder, resolution, video bit rate, frame rate, aspect ratio, audio encoder, sample rate, audio bit rate, and audio channels. 3D settings are also available.

Step 4: Start RX10 III 4K/1080p XAVC S to DNxHD MOV Conversion
When ready, click ‘Convert’ to start format conversion. As soon as the conversion is complete, you can click ‘Open Folder’ button to get the exported DNxHD MOV files for use in Avid apps with optimum performance.

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