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Definition of "echo cancellation" |
Echo cancellation are methods in telephony to improve voice quality by preventing echo from being created or removing it after it is already present. In addition to improving subjective quality, this process increases the capacity achieved through silence suppression by preventing echo from traveling across a network. / A Yagi-Uda array, commonly known simply as a Yagi antenna, is a directional antenna consisting of a driven element typically a dipole or folded dipole and additional parasitic elements usually a so-called reflector and one or more directors. / technique that removes the unwanted effects that result from impedance mismatch. Echo cancellation frequently makes use of adaptive filtering algorithms that can be realized by digital filters. |
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