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| 一种数字助听器多通道响度补偿方法 | |
| 引用本文： | 王青云,赵力,赵立业,邹采荣.一种数字助听器多通道响度补偿方法[J].电子与信息学报,2009,31(4):832-835. |
| 作者姓名： | 王青云 赵力 赵立业 邹采荣 |
| 作者单位： | 1. 东南大学信息科学与工程学院,南京,210096;南京工程学院通信工程学院,南京,211167 2. 东南大学信息科学与工程学院,南京,210096 3. 东南大学仪器科学与工程学院,南京,210096 |
| 基金项目： | 国家自然科学基金，江苏省自然科学基金 |
| 摘 要： | 该文提出了一种数字助听器非等宽多通道响度补偿方法.该方法研究了完美重构滤波器组分析与综合滤波器的设计方法,并根据人耳对频率的灵敏度特征及对声强的感知特性实现了符合人耳听觉特征的非等宽多通道响度补偿方案.针对典型老年性耳聋患者的实验与仿真结果表明,算法有效补偿了患者缺失的语音高频能量,显著提高了患者的言语辨识率,降低了患者的言语察觉阈. |
| 关 键 词： | 语音信号处理 响度补偿 完美重构子带滤波器组 人耳听觉特征 |
| 收稿时间： | 2007-9-11 |
| 修稿时间： | 2009-1-20 |
A Multichannel Loudness Compensation Method for Digital Hearing Aids |
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| Wang Qing-yun,Zhao Li,Zhao Li-ye,Zou Cai-rong.A Multichannel Loudness Compensation Method for Digital Hearing Aids[J].Journal of Electronics & Information Technology,2009,31(4):832-835. | |
| Authors: | Wang Qing-yun Zhao Li Zhao Li-ye Zou Cai-rong |
| Affiliation: | School of Information Science and Engineering, Southeast Uniersity, Nanjing 210096, China;School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China;School of Communication Engineering, Institute of Nanjing Technology, Nanjing 211167, China |
| Abstract: | A new multichannel loudness compensation method is proposed in this paper. According to the method, analysis and reconstruction sub-band filters for near perfect reconstruction oversampled filter bank are designed, then nonuniform multichannel loudness compensation based on human auditory, the sensitive feature of frequency and sound pressure level is implemented. Simulations and experiments for the typical senile patient demonstrate that the loss energy of the high frequency sound is well compensated, the intelligibility of patient is improved, and the speech detection threshold is decreased notably. |
| Keywords: | Speech signal processing Loudness compensation Near perfect reconstruction filter bank Human auditory |
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