| 数字助听器宽动态压缩算法研究 |
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| 引用本文： | 陈广飞,应俊. 数字助听器宽动态压缩算法研究[J]. 北京生物医学工程, 2006, 25(5): 454-456,481 |
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| 作者姓名： | 陈广飞 应俊 |
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| 作者单位： | 解放军总医院医学保障部,北京,100853;解放军总医院医学保障部,北京,100853 |
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| 基金项目： | 解放军总医院科技创新基金 |
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| 摘 要： | 提出一种基于DSP的全数字助听器宽动态压缩算法.该方法在频域分析的基础上,对于不同的频率分量,根据其能量的差异,分别给予不同的压缩算法.借助DSP助听器实验平台实现算法,并通过真耳佩戴后的听力学测试,验证了该信号处理方法的有效性.
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| 关 键 词： | 数字助听器 数字信号处理 宽动态压缩 |
| 文章编号： | 1002-3208（2006）05-0454-03 |
| 收稿时间： | 2005-02-24 |
| 修稿时间： | 2005-02-24 |
Research of Wide Dynamic Range Compression for Digital Hearing Aid |
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| CHEN Guangfei,YING Jun. Research of Wide Dynamic Range Compression for Digital Hearing Aid[J]. Beijing Biomedical Engineering, 2006, 25(5): 454-456,481 |
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| Authors: | CHEN Guangfei YING Jun |
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| Affiliation: | Department of Medicinal Measure, General Hospital of Chinese PLA, Beijing 100853 |
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| Abstract: | This paper puts forward the algorithms of wide dynamic range compression for digital hearing aid(DHA) based on DSP.In this algorithms the spectrum of input signal is analyzed firstly,and then different compression algorithms are choose on different frequency according to energy.The algorithms is realized on algorithms developing platform for DHA.Experimental result of audiometry shows the algorithms are available. |
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| Keywords: | digital hearing aid digital signal process wide dynamic range compression |
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