Estimated Loud Speaker Impulse Response to Cancel Aural Reverberation

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Ranga rao Orugu
K.Neelima,A.V.R.Rajeswari, G.Bangar Raju,D.Harshitha


Man machine interaction requires an acoustic interface for providing full duplex hands-free communication. Adaptive filtering techniques are used in a wide range of applications, including echo cancellation, adaptive equalization, adaptive noise cancellation, and adaptive beam forming. In this paper, we present a new approach to acoustic echo cancellation for a teleconferencing system including a loudspeaker for which an estimate of the loudspeaker impulse response is available. We show that the new approach reduces the computational complexity for echo cancellation algorithms.


Keywords: Acoustic echo cancellation, adaptive filtering, loudspeaker impulse response.


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