A Novel Method to Enlarge Listening Area of Virtual Surround Sound Based on Attenuation Factor

HUANG Qiang; Wu Yi-bo; HE Fei; JI Zhen

doi:10.3969/j.issn.0372-2112.2012.11.032

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A Novel Method to Enlarge Listening Area of Virtual Surround Sound Based on Attenuation Factor

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- A Novel Method to Enlarge Listening Area of Virtual Surround Sound Based on Attenuation Factor
- Acta Electronica Sinica Vol. 40, Issue 11, Pages: 2342-2345(2012)
- 作者机构：
  
  深圳市嵌入式系统设计重点实验室,深圳大学计算机与软件学院,广东,深圳,518060
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.60501026);Shenzhen Science and Technology Project (No.JSA201006090336A)
- DOI：10.3969/j.issn.0372-2112.2012.11.032
  CLC： TN912
- Published：2012
- 稿件说明：
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HUANG Qiang, Wu Yi-bo, HE Fei, et al. A Novel Method to Enlarge Listening Area of Virtual Surround Sound Based on Attenuation Factor[J]. Acta Electronica Sinica, 2012, 40(11): 2342-2345.
DOI：

HUANG Qiang, Wu Yi-bo, HE Fei, et al. A Novel Method to Enlarge Listening Area of Virtual Surround Sound Based on Attenuation Factor[J]. Acta Electronica Sinica, 2012, 40(11): 2342-2345. DOI： 10.3969/j.issn.0372-2112.2012.11.032.

摘要

面向音频多声道虚拟环绕处理的方法

传统的串音抵消是将串音完全抵消掉

听音区窄.本文提出串音信号不必要完全消除

剩余的信号会扩大最佳听音区域的范围并获得更好的音效质量.新算法的主要特点是:算法中加入衰减因子

并给出了衰减因子和听音区的关系.当衰减因子为1时

新的算法完全具有传统算法的功能.

Abstract

For audio multichannel virtual surround sound processing method.The crosstalk was offsetted completely in traditional method for crosstalk cancellation

which limits the optimal listening area.This paper puts forward the non-necessity of completely crosstalk elimination.The proposed method utilizes the remaining crosstalk signal to effectively enlarge the range of the optimal listening area and maintain the same sound quality.The primary features of the proposed algorithm are as follows:the algorithm is jointed with an attenuation factor.Moreover

the algorithm introduces the relationship between the attenuation factor and listening area.In addition

when the attenuation factor value is set to be unit

the new algorithm is fully functional identical to the traditional algorithm.

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