| Paper: | AE-P2.3 | ||
| Session: | Echo Cancellation and Active Noise Control | ||
| Time: | Wednesday, May 19, 15:30 - 17:30 | ||
| Presentation: | Poster | ||
| Topic: | Audio and Electroacoustics: Echo Cancellation | ||
| Title: | A SOLUTION TO ECHO PATH IMBALANCE PROBLEM IN STEREO ECHO CANCELLATION | ||
| Authors: | Satoru Emura; NTT Corporation | ||
| Yoichi Haneda; NTT Corporation | |||
| Akitoshi Kataoka; NTT Corporation | |||
| Abstract: | We propose a novel step-size control method that treats the echo path imbalance problem in stereo echo cancellation. The imbalance between two echo paths in magnitude slows down the convergence rate of the adaptive filter for stereo echo cancellation. To speed up the convergence rate, the proposed method extracts the information about filter-coefficient errors of each unknown echo path, and controls the step-size of each channel accordingly. | ||
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