Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: IResearch Article A Stereo Crosstalk Cancellation System Based on the Common-Acoustical Pole/Zero Model | Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2010 Article ID 719197 11 pages doi 2010 719197 Research Article A Stereo Crosstalk Cancellation System Based on the Common-Acoustical Pole Zero Model Lin Wang 1 2 Fuliang Yin 1 and Zhe Chen1 1 School of Electronic and Information Engineering Dalian University of Technology Dalian 116023 China 2 Institute for Microstructural Sciences National Research Council Canada Ottawa ON Canada K1A0R6 Correspondence should be addressed to Lin Wang wanglin_2k@ Received 8 January 2010 Revised 21 June 2010 Accepted 7 August 2010 Academic Editor Augusto Sarti Copyright 2010 Lin Wang et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Crosstalk cancellation plays an important role in displaying binaural signals with loudspeakers. It aims to reproduce binaural signals at a listener s ears via inverting acoustic transfer paths. The crosstalk cancellation filter should be updated in real time according to the head position. This demands high computational efficiency for a crosstalk cancellation algorithm. To reduce the computational cost this paper proposes a stereo crosstalk cancellation system based on common-acoustical pole zero CAPZ models. Because CAPZ models share one set of common poles and process their zeros individually the computational complexity of crosstalk cancellation is cut down dramatically. In the proposed method the acoustic transfer paths from loudspeakers to ears are approximated with CAPZ models then the crosstalk cancellation filter is designed based on the CAPZ transfer functions. Simulation results demonstrate that compared to conventional methods the proposed method can reduce computational cost with comparable crosstalk cancellation performance. 1. Introduction A 3D audio system can be used to
