计算机工程与应用 ›› 2010, Vol. 46 ›› Issue (29): 140-143.DOI: 10.3778/j.issn.1002-8331.2010.29.039

• 数据库、信号与信息处理 • 上一篇    下一篇

一种模拟听觉感知模型的非均匀滤波器组

孟晓辉,肖 灵,崔 杰   

  1. 中国科学院 声学研究所 医用声学实验室,北京 100190
  • 收稿日期:2009-03-11 修回日期:2009-06-01 出版日期:2010-10-11 发布日期:2010-10-11
  • 通讯作者: 孟晓辉

Non-uniform filterbank based on perceptual model

MENG Xiao-hui,XIAO Ling,CUI Jie   

  1. Laboratory of Medical Acoustics,Institute of Acoustics,Chinese Academy of Sciences,Beijing 100190,China
  • Received:2009-03-11 Revised:2009-06-01 Online:2010-10-11 Published:2010-10-11
  • Contact: MENG Xiao-hui

摘要: 结合均匀滤波器组的加权叠接相加法和短时全通变换,设计了一种可以模拟听觉感知模型的非均匀滤波器组。该滤波器组可用于实时信号处理。仿真结果显示,设计的非均匀滤波器组可以模拟Bark频率尺度,且具有比较理想的信号重建功能。

Abstract: A non-uniform filterbank based on weighted overlap-add method and short-time allpass transformation is proposed,which incorporates a perceptual model of the human auditory system and can be implemented in real-time.Simulation shows the non-uniform filterbank has approximate Bark-scaled frequency resolution and can reconstruct signals well.

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