Conferences related to Echo cancellers

Xplore Articles related to Echo cancellers

• On the Effect of Tap Length on LMS Adaptive Echo Canceller Performance

  Alwan, N.A.S. Computer Engineering and Systems, The 2006 International Conference on, 2006

  Simultaneous data transmission in both directions (full-duplex) over two-wired circuits can be achieved using two-wire to four-wire hybrid couplers. Transmission signal leakage through the near-end hybrid (near-end echo) and transmission signal reflection by the far-end hybrid (far-end echo) ending up in its own receiver due to imperfect hybrid isolation can greatly affect the correct detection of data from the other ...

• An adaptive control method for regression coefficient in frequency domain non-linear echo suppressor

  Nakayama, K.; Ofuji, Y.; Hirano, A. Signal Processing Conference (EUSIPCO), 2012 Proceedings of the 20th European, 2012

  An echo canceller, which consists of a linear echo canceller and a non-linear echo suppressor, has been proposed for mobile phones. This approach provides an efficient nonlinear echo suppressor with low computational complexity. In this method, the non-linear echo is estimated in the frequency domain from the linear echo replica. A ratio of the non-linear echo and the linear echo ...

• Dual-microphone echo canceller for suppressing loud nonlinear echo

  Hoshuyama, O. Acoustics, Speech and Signal Processing (ICASSP), 2012 IEEE International Conference on, 2012

  This paper proposes a new dual microphone echo canceller (DMEC) for suppressing loud nonlinear echo common with hands-free talk on small terminals such as cellphones. The proposed DMEC has an adaptive null former whose nulls by the dual microphones focus on cancelling the nonlinear echo which can not be cancelled by ordinary linear echo canceller. To focus on the nonlinear ...

• Perceptual quality of hybrid echo canceler/suppressor

  Wallin, F.; Faller, C. Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on, 2004

  Acoustic echoes arise whenever there is acoustic coupling between a loudspeaker and a microphone. A traditional solution for eliminating the undesired echo signal is an acoustic echo canceler (AEC), which identifies the echo path between a loudspeaker and a microphone by means of an adaptive filter. The echo signal can be canceled successfully when the modeling filter approaches the true ...

• Limits on echo return loss enhancement on a voice coded speech signal

  Rages, M.; Ho, K.C. Circuits and Systems, 2002. MWSCAS-2002. The 2002 45th Midwest Symposium on, 2002

  Acoustic echo cancellation is a desirable feature for small cellular handsets that have significant acoustic coupling from speaker to microphone. Current echo cancellation techniques prefer an echo canceller to be placed at the wireless handset. Since echo cancellation requires much processing power it is beneficial to move the echo canceller to the base station, where power consumption will not be ...

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Periodicals related to Echo cancellers

• Audio, Speech, and Language Processing, IEEE Transactions on

  Speech analysis, synthesis, coding speech recognition, speaker recognition, language modeling, speech production and perception, speech enhancement. In audio, transducers, room acoustics, active sound control, human audition, analysis/synthesis/coding of music, and consumer audio. (8) (IEEE Guide for Authors) The scope for the proposed transactions includes SPEECH PROCESSING - Transmission and storage of Speech signals; speech coding; speech enhancement and noise reduction; ...

• Communications, IEEE Transactions on

  Telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation, including radio; wire; aerial, underground, coaxial, and submarine cables; waveguides, communication satellites, and lasers; in marine, aeronautical, space and fixed station services; repeaters, radio relaying, signal storage, and regeneration; telecommunication error detection and correction; multiplexing and carrier techniques; communication switching systems; data communications; and communication theory. In addition to the above, ...

IEEE Organizations related to Echo cancellers

• Circuits & Systems
• Communications
• Control Systems
• Industrial Electronics
• Information Theory

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