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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.
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Keywords:
- frequency lowering /
- Chinese hearing aid /
- hearing loss in high frequency /
- adaptive playback
[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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[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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