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Question ID 14401

The scope of H.225 Standard describes

Option A

video and audio coders for H.323.

Option B

channel bandwidth sub-division.

Option C

the means by which audio, video, data, and control are associated, coded, and packetized for transport between H.323 equipment on a packet-based network.

Option D

 the means by which audio, video, data, and control are associated, coded, and channelized for transport between H.320 equipment on a channel network.

Option E

the Coding Operation details for video and audio.

Option F

A and C

Correct Answer C
Explanation


Question ID 14402

Which of the following accurately describes room gain as it applies to acoustic echo
cancellation?

Option A

Measure of amplifier power driving the loudspeakers in a given conference room

Option B

 Ratio of loudness of the participants voices versus the loudspeaker volume arriving at the microphone

Option C

Relative sensitivity of the microphones expressed in dB versus the same microphone in a "free field" environment

Option D

Relative perceived loudness of a person speaking in a given room versus the same person speaking in an anechoic chamber

Correct Answer B
Explanation

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