Implementation of an acoustic echo canceller using MATLAB [electronic resource] / by Srinivasaprasath Raghavendran.
ABSTRACT: The rapid growth of technology in recent decades has changed the whole dimension of communications. Today people are more interested in hands-free communication. In such a situation, the use a regular loudspeaker and a high-gain microphone, in place of a telephone receiver, might seem more appropriate. This would allow more than one person to participate in a conversation at the same time such as a teleconference environment. Another advantage is that it would allow the person to have both hands free and to move freely in the room. However, the presence of a large acoustic coupling between the loudspeaker and microphone would produce a loud echo that would make conversation difficult. Furthermore, the acoustic system could become instable, which would produce a loud howling noise to occur. The solution to these problems is the elimination of the echo with an echo suppression or echo cancellation algorithm.
School:University of South Florida
School Location:USA - Florida
Source Type:Master's Thesis
Keywords:aec nlms dtd nlp matlab dissertations academic usf electrical engineering masters
Date of Publication:01/01/2003