OnTheAir Video Express

Open playout solution for the Mac

  • Supports most file wrappers (QuickTime, MXF, ts)
  • Supports most video codecs (Apple ProRes®, Avid DNxHD®, DVCPRO HD, H.264, MPEG-2, XDCAM EX®, XDCAM HD®,…)
  • Output to SDI or NDI®
  • Still image playback
  • Supports clips with alpha channel
  • Control playback from production switcher


Main features

Mix-and-match multiple codecs

Play multiple codecs in the same playlist. Support for Apple ProRes®, AVC-Intra, Avid DNxHD®, H.264, XDCAM EX, XDCAM HD and many more codecs. (check the list in the Tech Specs section). You do not need to install any additional software or codec. You can even mix different resolution in the same playlist.

QuickTime, MXF and Transport Stream

You can play the standard QuickTime files (.mov), but also transport stream (.ts) or MXF (.MXF). The beauty is that you don’t even need to install an additional software to read MXF files. They support for MXF files is built in the Smart Playout Engine.

Supports NDI® Output

NDI® is an open, low-latency, video-over-IP protocol developed by NewTek, Inc. It uses a simple gigabit ethernet cable to transmit video and audio over a local area network between multiple video systems. Now, thanks to NDI®, you can transfer HD and 4K video over a simple Ethernet cable. There is no need for additional routers or even SDI cables anymore,  further demonstrating the ease-of-use and reliability of our products. NDI® opens the world to a different way of doing video production and to an ecosystem of devices supporting the protocol.

NDI® is a registered trademark of NewTek, Inc.

Playout multiple channels on one Mac (one license per output required)

With the Smart Playout Engine’s unequaled efficiency, you can playout 4 channels of HD simultaneously on one Mac as the Smart Playout Engine (SPE) is optimized to take advantages of multiple cores. For that you will need the Quad version of OnTheAir Video Express, and to purchase one license of the software per channel you want to output.

Mix and Match different resolutions

You can drag and drop clips of different resolutions in the playlist and they will be scaled automatically to fit in the output resolution by choosing a resizing method (letterbox, pand&scan or fill). Note that the Smart Resize mode is not available in OnTheAir Video Express, only in OnTheAir Video and OnTheAir Node. Check the screenshots below to see the difference, or check this video (the difference can only be seen in the higher resolutions 720p and 1080p)

Play videos or still images

Play out movie files and still images in the same playlist. Set a play duration for your still images and they will play out for that duration just as if they were a standard video file.

Control from Video Mixer

Control OnTheAir Video Express from a video mixer. When pushing on a video mixer input button, playback can automatically start in OnTheAir Video Express. This can work through a simple network connection with Blackmagic Design’s ATEM or NewTek’s TriCaster® production switchers. For other brands, you will need to use the GPI/tally outputs of your production switcher (requires GPI Commander).


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