Home > audiovisual, Institution-is-London-Metropolitan-University, Interpreting, multimedia-recording > Interpreting Suite: How to avoid audio feedback

Interpreting Suite: How to avoid audio feedback

  1. symptom: loud squealing noise over the classroom speakers
  2. context: left lectern microphone is turned on; Creston / main room /

    [Elmo room] camera is chose (e.g. to display the speaker on the projector; may also be chosen for background recording purposes only)

  3. resolution: Creston / room controls / speaker: up/own, on/off, to turn the classroom speaker volume down or off entirely
  4. explanation: the Elmo camera works with the sound from the left lectern microphone (not from the right or DIS microphone); if the Elmo camera is room source, its sound is displayed over the classroom speakers; from where it feeds back into the microphone; etc (infinite loop, feedback).
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