By Topic

Acoustic noise and echo cancellation microphone system for videoconferencing

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
S. M. Kuo ; Dept. of Electr. Eng., Northern Illinois Univ., DeKalb, IL, USA ; Y. C. Huang ; Zhibing Pan

Acoustic noise and echo cancellation using two adaptive filters and the least-mean-square (LMS) algorithm is the most effective technique of reducing acoustic noises and echoes in a hands-free telephone system. Unfortunately, high order filters are required in this traditional structure, which results in high cost, slow convergence, and high excess mean-square and numerical errors. The paper presents a new acoustic noise and echo cancellation microphone (ANECM) system, which consists of two closely-spaced directional microphones pointing in opposite directions and two low order adaptive filters. By using two highly correlated microphone signals, the ANECM system provides satisfied performance at much lower cost than the traditional techniques. To test and perfect the design, computer simulations were conducted based on real data collected from a typical conference room

Published in:

IEEE Transactions on Consumer Electronics  (Volume:41 ,  Issue: 4 )