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What is the best way to record/capture audience audio when questions asked or interacted with the presenter without passing secondary mic hand to hand?

Currently we have a presenter's mic that is going through audio board and on camera mic that captures general audience audio. But it creates a bad audio as camera is placed at the back at the room.

Has any one tried placing mics around the room to capture it? Any solutions would be greatly appreciated.

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Here's a video that covers everything you need to know about sound recording for video: http://nofilmschool.com/2015/08/24-sound-basics-will-help-you-lay-sturdy-foundation

If you don't have 18 minutes to spend, the specific answer to your question is that basically you cannot capture well the human voice when a mic is more than 3 feet away. Even if you use a high-quality mic and a high-quality pre-amp, the quality of your audio will drop precipitously as you break the 3-foot rule. (There are exceptions such as professional singers and actors hitting PZM stage mics, but even that is not great.)

If you place mics around the room in such a way that nobody has to throw their voice more than 3 feet to reach a microphone, then you might have a solution. But that might require 20-40 microphones, and an audio system capable of recording 20-40 inputs simultaneously. Impractical.

Alternatively, you could have 3 mics, one for each zone of 15-30 people, which you can rapidly run to whichever audience member is trying to speak. When they hold the mic (at least 1-2" from their mouth and at most 3 feet away), you should get fairly good results. That would require an audio system that can record four tracks simultaneously (one for the podium mic and 3 for the audience mics), which is very simple nowadays.

  • Appreciate your input so much, and pointing to a good source. I guess I am looking for omnidirectional mic that I can place it in the middle of the audience on a stand and run through the audio board then connect to the camera. – Nomadme Sep 17 '15 at 1:46

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