Efficient implementation of echo canceller for applications with asymmetric rates

Alper Erdogan*, Bijit Halder, Tzu-Hsien Sang, Ahmet Karakas


    研究成果: Conference article同行評審

    1 引文 斯高帕斯(Scopus)


    In conventional full duplex wireline systems digital echo cancellers are commonly used to suppress echo. For applications with asymmetric rates the complexity and performance of the echo canceller depend on the implementation of the rate matching function. When the transmit rate is lower than the receive rate, traditional approach of resampling before filtering is inefficient. We show that efficient implementation can be obtained by reversing the order of resampling and filtering. We propose two new echo canceller structures based on scalar and vector error signals and develop associated adaptive algorithms.

    頁(從 - 到)233-236
    期刊ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
    出版狀態Published - 25 9月 2003
    事件2003 IEEE International Conference on Accoustics, Speech, and Signal Processing - Hong Kong, Hong Kong
    持續時間: 6 4月 200310 4月 2003


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