汉语降频助听算法的实验分析与改进

梁瑞宇; 奚吉; 赵力; 邹采荣; 黄程韦

doi:10.7498/aps.61.134305

摘要

降频助听算法是改善听障患者声音辨识能力的最安全有效的方法. 本文以主观测试实验为手段, 通过分析当前算法的声音识别能力的不足, 提出一种自适应慢放降频算法. 算法结合慢放算法和频移算法的优点, 并能根据信号的频谱结构, 自适应调整慢放因子, 降低时域不同步性. 并且, 通过分析含噪信号和噪声信号的频谱关系, 提出一种噪声下的慢放因子评估方法. 实验结果显示, 同其他降频算法相比, 该算法可以提高15%到20%的识别率. 在对听障患者的测试中, 同传统的助听设备相比, 平均识别率也获得显著改善.

关键词:

Abstract

Frequency lowering algorithms are the most effective and secure for improving the auditory identification capability of hearing-impaired patients. Through analyzing the current algorithms by the test of subjective auditory approach, in the paper we propose an adaptive algorithm combining slow playback algorithm with frequency transition algorithm. The algorithm can adaptively adjust playback ratio according to the signal spectrum structure to reduce the desynchronization in time region. Furthermore, a method of evaluating the playback ratio in noise is designed based on the frequency spectrum relation between noise and noisy signal. Results showed that compared with other frequency lowering algorithms, the proposed algorithm can improve the auditory identification capability from 15% to 20%. In addition, in the test for hearing-impaired person, the significant improvement on the average auditory identification capability is also obtained compared with the conventional hearing aid device.

Keywords:

作者及机构信息

1.
河海大学计算机与信息学院, 南京 210098;

2.
东南大学信息科学与工程学院, 南京 210096

基金项目: 国家自然科学基金(批准号: 60872073, 60975017, 51075068)、中央高校基本科研业务费 (批准号: 2009B32614) 和广东省自然科学基金(批准号: 10252800001000001) 资助的课题.

Authors and contacts

1.
College of Computer and Information, Hohai University, Nanjing 210098, China;

2.
School of Information Science and Engineering, Southeast University, Nanjing 210096, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 60872073, 51075068, 60975017), the Fundamental Research Funds for the Central Universities of Ministry of Education of China (Grant No. 2009B32614) and the Natural Science Foundation of Guangdong Province, China (Grant No. 10252800001000001).

参考文献

[1]	Stelmachowicz P G, Lewis D E, Choi S, Hoover B 2007 Ear Hearing 28 483
[2]	Stelmachowicz P G, Pittman A L, Hoover B M, Lewis D E 2002 Ear Hearing 23 316
[3]	Bohnert A, Nyffeler M, Keilmann A 2010 Eur Arch OTO-RHINO-L. 267 1045
[4]	Kluk K, Moore B C J 2006 Hearing Res. 222 1
[5]	Miller H D R, Nelson P B, Widen J E, Simon S D 2003 J. Am. Acad Audiol. 12 106
[6]	Simpson A, McDermott H J, Dowell R C 2005 Hearing Res. 210 42
[7]	Simpson A 2009 Trends in Amplification 13 87
[8]	Posen M P, Reed C M, Braida L D 1993 J. Rehabil Res. Dev. 30 26
[9]	Kuk F, Peeters H, Keenan D, Lau C 2007 Hearing J. 60 59
[10]	Kuk F, Keenan D, Peeters H, Korhonen P, Auriemmo J 2008 Hearing Rev. 15 32
[11]	Glista D, Scollie S, Polonenko M, Sulkers J 2009 Hearing Rev. 16 20
[12]	McDermott H, Dean M 2000 Brit J. Audiol. 34 353
[13]	Arioz U, Arda K, Tuncel U 2011 Comput. Meth. Prog. Bio. 102 277
[14]	Liu Zh J, Shao J, Zhang P Y, Zhao Q W, Yan Y H, Feng J 2007 Acta Phys. Sin. 56 7064 (in Chinese) [刘赵杰, 邵健, 张鹏远, 赵庆卫, 颜永红, 冯稷 2007 56 7064]
[15]	Yang L, Zhang J P, Yan Y H 2010 Acta Acustica. 35 248 (in Chinese) [杨琳, 张建平, 颜永红 2010 声学学报 35 248]
[16]	Bao Z W, Wei R J 1960 Acta Phys. Sin. 16 338 (in Chinese) [包紫薇, 魏荣爵 1960 16 338]
[17]	Zhang H 2004 Hearing aid (Beijing: People's Medical Publishing House) p11 (in Chinese) [张华 2004 助听器 (北京: 人民卫生出版社) 第11页]
[18]	Zhang J L, Qi Sh Q, Yu G 1998 Acta Acustica. 23 19 (in Chinese) [张家騄, 齐士钤, 俞舸 1998 声学学报 23 19]
[19]	Turner C W, Hurtig R R 1999 J. Acoust. Soc. Am. 106 877
[20]	Kuk F, Keenan D, Peeters H, Korhonen P, Hau O, Andersen H 2007 Hearing Rev. 14 60
[21]	Simpson A, Hersbach A A, McDermott H J 2005 Int. J. Audiol. 44 281
[22]	Wang N, Chen K A, Huang H 2009 Acta Phys. Sin. 58 7330 (in Chinese) [王娜, 陈克安, 黄凰 2009 58 7330]
[23]	Chen K A, Wang N, Wang J Ch 2009 Acta Phys. Sin. 58 5075 (in Chinese) [陈克安, 王娜, 王金昌 2009 58 5075]
[24]	Wojcicki K, Milacic M, Stark A, Lyons J, Paliwal K 2008 IEEE Signal Proc. Lett. 15 461

施引文献

[1]	Stelmachowicz P G, Lewis D E, Choi S, Hoover B 2007 Ear Hearing 28 483
[2]	Stelmachowicz P G, Pittman A L, Hoover B M, Lewis D E 2002 Ear Hearing 23 316
[3]	Bohnert A, Nyffeler M, Keilmann A 2010 Eur Arch OTO-RHINO-L. 267 1045
[4]	Kluk K, Moore B C J 2006 Hearing Res. 222 1
[5]	Miller H D R, Nelson P B, Widen J E, Simon S D 2003 J. Am. Acad Audiol. 12 106
[6]	Simpson A, McDermott H J, Dowell R C 2005 Hearing Res. 210 42
[7]	Simpson A 2009 Trends in Amplification 13 87
[8]	Posen M P, Reed C M, Braida L D 1993 J. Rehabil Res. Dev. 30 26
[9]	Kuk F, Peeters H, Keenan D, Lau C 2007 Hearing J. 60 59
[10]	Kuk F, Keenan D, Peeters H, Korhonen P, Auriemmo J 2008 Hearing Rev. 15 32
[11]	Glista D, Scollie S, Polonenko M, Sulkers J 2009 Hearing Rev. 16 20
[12]	McDermott H, Dean M 2000 Brit J. Audiol. 34 353
[13]	Arioz U, Arda K, Tuncel U 2011 Comput. Meth. Prog. Bio. 102 277
[14]	Liu Zh J, Shao J, Zhang P Y, Zhao Q W, Yan Y H, Feng J 2007 Acta Phys. Sin. 56 7064 (in Chinese) [刘赵杰, 邵健, 张鹏远, 赵庆卫, 颜永红, 冯稷 2007 56 7064]
[15]	Yang L, Zhang J P, Yan Y H 2010 Acta Acustica. 35 248 (in Chinese) [杨琳, 张建平, 颜永红 2010 声学学报 35 248]
[16]	Bao Z W, Wei R J 1960 Acta Phys. Sin. 16 338 (in Chinese) [包紫薇, 魏荣爵 1960 16 338]
[17]	Zhang H 2004 Hearing aid (Beijing: People's Medical Publishing House) p11 (in Chinese) [张华 2004 助听器 (北京: 人民卫生出版社) 第11页]
[18]	Zhang J L, Qi Sh Q, Yu G 1998 Acta Acustica. 23 19 (in Chinese) [张家騄, 齐士钤, 俞舸 1998 声学学报 23 19]
[19]	Turner C W, Hurtig R R 1999 J. Acoust. Soc. Am. 106 877
[20]	Kuk F, Keenan D, Peeters H, Korhonen P, Hau O, Andersen H 2007 Hearing Rev. 14 60
[21]	Simpson A, Hersbach A A, McDermott H J 2005 Int. J. Audiol. 44 281
[22]	Wang N, Chen K A, Huang H 2009 Acta Phys. Sin. 58 7330 (in Chinese) [王娜, 陈克安, 黄凰 2009 58 7330]
[23]	Chen K A, Wang N, Wang J Ch 2009 Acta Phys. Sin. 58 5075 (in Chinese) [陈克安, 王娜, 王金昌 2009 58 5075]
[24]	Wojcicki K, Milacic M, Stark A, Lyons J, Paliwal K 2008 IEEE Signal Proc. Lett. 15 461

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