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- W624917809 abstract "The communication technique has changed a lot in the recent years. Today people aremore interested in hands-free communication with the use of a loudspeaker and amicrophone, in stead of a normal telephone. However, the presence of a large acousticcoupling between the loudspeaker and microphone would produce a loud echo that wouldmake conversation difficult. The solution to these problems is the elimination of the echowith an echo cancellation or echo suppression algorithm. However, traditional methodsare not sufficient. The objective of this thesis is to find out a good echo removal algorithm, which iscapable of providing convincing results for PC application. The basic components of anecho canceller are an adaptive filter, and a double-talk detector. The adaptive filterestimates the echo path, based on which a replica of the echo is created and subtractedfrom the combination of the actual echo and the near-end speech signal. Double talkoccurs when both ends are talking. The task of a doubletalk detector is to sense thedoubletalk, so that to stop the adaptive filter in order to avoid divergence. Since there hasbeen a revolution in the field of personal computers in recent years, this work attempts toimplement the acoustic echo canceller algorithm on a PC with the help of the MATLABsoftware." @default.
- W624917809 created "2016-06-24" @default.
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- W624917809 date "2007-01-01" @default.
- W624917809 modified "2023-09-24" @default.
- W624917809 title "Implementation of Acoustic Echo Cancellation for PC Applications using Matlab" @default.
- W624917809 hasPublicationYear "2007" @default.
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