![]() This sound then gets returned back to the far end and comes out of their loudspeakers in the room and also goes into their other microphonesand then back again. When the audio from the far end comes out of the loudspeakers people in the room will hear it through their ears as they should, however, that sound also gets picked up by other microphones in the room. The audio travels through a room the journey it takes explains why Audio Echo Cancellation is needed. However, this would produce very poor quality of sound without the use of Audio Echo Cancellation. A mix of the microphones in the room will also be sent to the far end. In a standard conference room, audio will come from the far end and will be played out of the loudspeakers. ![]() ![]() In general, there will be a video conference codec this will have one audio input and one audio output. One of the common things in conference audio system is a connection for video conferencing. ![]()
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