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Question ID 14322	Which of the following correctly describes the purpose of an Acoustic Echo Canceller (AEC)?
Option A	An AEC provides a means to reduce room noise sent to the far-end.
Option B	An AEC provides a means to reduce room reverberation as heard by the far-end.
Option C	An AEC provides compensation for room acoustics to improve microphone sensitivity and gain.
Option D	An AEC reduces the room loudspeaker contribution to the local microphone sent to the far-end.
Option E	An AEC provides compensation for room acoustics to better allow the reduction of echo returned to the far-end.
Correct Answer	D,E Topic 1

Explanation

Question ID 14323	When required, improperly matched impedance will cause problems with__________.
Option A	Audio signal levels
Option B	feedback frequency filtering
Option C	room acoustics
Option D	all of the above
Correct Answer	A

Explanation

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