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Automixer

Microphones at a press conference being processed through a Dugan E-1 automixer which has been placed on top of the regular audio mixer. San Francisco mayor Gavin Newsom is speaking at a lectern, while golfers Fred Couples and Greg Norman are seated on stage. Six of eight automixer inputs have been muted and are showing red LEDs. The active input is showing full gain with a ladder of green LEDs.

An automixer, or automatic microphone mixer, is a live sound mixing device that automatically reduces the strength of a microphone's audio signal when it is not being used.

Automixers reduce extraneous noise picked up and comb filtering effects when several microphones operate simultaneously. Automixers uses a variety of methods that allow increased gain before feedback for live sound reinforcement.[1]

Automixers are typically used to mix panel discussions on television talk shows and at conferences and seminars. They can also be used to mix actors' wireless microphones in theater productions and musicals. Automixers are frequently employed in settings where it is expected that a live sound operator won't be present, such as courtrooms and city council chambers.

  1. ^ Allan Soifer (May 2003). "Automatic Mic Mixers". Sound & Video Contractor. Archived from the original on July 16, 2011.
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