Equipment Placement - SMART Board 4000 Series Installation Best Practices

CHAPTER 3
CONFIGURING THE PRODUCT
SMART.
When AEC issues occur, both remote participants and participants in the meeting room will likely
hear an echoing when others are speaking.
NOTE
If you hear an echo of your voice during a conference call with remote participants, the issue is
likely with one of the remote participants' devices. Have individual participants mute their
microphones one at a time.
Equipment placement can help alleviate AEC issues.

Equipment placement

After you've determined that a room is acoustically acceptable, consider the relative placement of
sound-recording devices (speakerphones, microphones, webcams, and so on) and playback
devices. This helps to avoid AEC issues.
If the speakers are above or below the SMART product, maintain a line of sight between the
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speakers and the microphones.
Test the setup by making a few calls.
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Never place a microphone immediately in front of speakers. Such microphone placement can
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cause audio issues or loud, unpleasant feedback.
Look at how the polar pattern for the microphone captures the sounds around it:
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Although speakers are typically located to either side of the SMART product, the room shape,
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size and acoustics might make it necessary to place them elsewhere.
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