Yamaha MY4-AEC MY4-AEC Owners Manual - Page 6

Principle of Operation How Acoustic Echo and Noise are Reduced Acoustic echo occurs in a teleconferencing system when the sound from a speaker or reflections from surfaces of the room are picked up by a microphone and transmitted to the other party, resulting in a loss of intelligibility. Projectors and air conditioning systems also produce noise that can interfere with clear teleconferencing. The echo cancelling and noise reduction capabilities of the MY4-AEC help to achieve maximum clarity and intelligibility for smooth, effective communication. Remote Local "Hello" "How's business?" "Hello" DME64N/24N SCENE HOME UTILITY LEVEL MUTE CANCEL ENTER + MY4-AEC "How's business" + "Hello" + fan noise "How's business?" Fan noise NOTE In order to reduce acoustic echo originating from the remote location, an echo canceller must be installed and active at the remote location. 6 MY4-AEC Owner's Manual