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I was wondering if there is an easy way to detect presenter (speaker) changes from a video clip. I have some presentation / panel / seminar type videos, and want to add markers whenever the speaker changes in the stream. It can be when someone from the audience asks a question, or when another panel starts talking.

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    you might want to reword your question. Maybe use the term presenter or something – Travis Crum Mar 11 '13 at 15:59
  • I guess that makes it less confusing? Made the change, thanks. – mcpanic Mar 15 '13 at 3:57
  • do you mean automated detection? That's going to be tricky... – Dr Mayhem Sep 19 '13 at 15:53
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You can use the speech recognition function within Adobe Premiere to (kind of) do this. It will analyze a long piece of video, and attempt to create a text script of the speech within the video. If you tick "identify speakers" before it begins, it will write "[speaker 1], [speaker 2]" etc each time it identifies a change in speaker.

However, the success rate is not massively high. Adobe claim about 75%, with high-quality audio, which seems about right, but is too low to make it a generally useful feature for most people.

There's a step by step guide on how to use it here: http://layersmagazine.com/powering-search-with-audio-metadata-using-premiere-pro.html

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