標題: An acoustic echo canceller using lapped orthogonal transform
作者: Wei, CH
Tsai, CP
交大名義發表
電子工程學系及電子研究所
National Chiao Tung University
Department of Electronics Engineering and Institute of Electronics
公開日期: 1997
摘要: In the teleconference system or the hands-free telephone, the speech broadcasted from the loudspeaker can be transformed back to the talker as a far-end talker-echo. The far-end talker-echo can be eliminated by an acoustic echo canceller. An acoustic echo canceller based on the lapped orthogonal transform (LOT) using discrete Walsh-Hadamard transform (DWHT) as the building block for the fast algorithm is presented. The new structure can provide better ERLE and tracking capability than the structure using the LOT presented by Malver [6]. The computation complexity of the new structure is much lower than the orthogonal transform LMS structure.
URI: http://hdl.handle.net/11536/19723
ISBN: 0-7803-3583-X
期刊: ISCAS '97 - PROCEEDINGS OF 1997 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS I - IV: CIRCUITS AND SYSTEMS IN THE INFORMATION AGE
起始頁: 2573
結束頁: 2576
顯示於類別:會議論文