У вашего броузера проблема в совместимости с HTML5
Learn how to auto-conform video and audio clips within Adobe Premiere Pro using timecode as reference.
To so so you need to feed all cameras and audio recorders on set the same timecode using Lockit Timecode Generators (http://ambient.de/en/product_custom_c...)
Learn more about Timecode and Synchronisation in the Ambient University: http://ambient.de/university/