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[Discuss] Syncing audio/video from two sources?
- Subject: [Discuss] Syncing audio/video from two sources?
- From: abreauj at gmail.com (John Abreau)
- Date: Fri, 20 Oct 2017 15:17:17 -0400
I've got an HDMI pass-through widget that records the audio and video to a file, and I'd like to use it when I record the BLU meetings in order to capture the presenter's display and add it to the video from the webcam. The traditional method of syncing two sources would be to use a physical clapstick to create a short, loud snapping sound that can easily be synced with one specific frame of the video. But the pass-through widget is recording audio and video from the laptop's HDMI port, not from a camera, so it cannot capture audio or video of the clapstick to sync with. An animated clapstick that runs in a web browser should do the trick, but several google searches have not turned up anything like that. A standalone app would also work, though that would mean finding instances for Fedora, Ubuntu, MacOS, Windows, and possibly other platforms, as presenters could potentially use a wide variety of OSes for their presentations. A web app, or perhaps a java app, would be platform agnostic. Can anyone point me to something like that, or suggest another way I could sync the HDMI recording to the webcam recording? -- John Abreau / Executive Director, Boston Linux & Unix Email: abreauj at gmail.com / WWW http://www.abreau.net / PGP-Key-ID 0x920063C6 PGP-Key-Fingerprint A5AD 6BE1 FEFE 8E4F 5C23 C2D0 E885 E17C 9200 63C6
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