A bio-inspired companding strategy for spectral enhancement

IEEE Transactions on Speech and Audio Processing

Volumn 13, Issue 2, 2005, Pages 243-253

  Turicchia, L ^a   Sarpeshkar, R ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Auditory filtering; Auditory masking; Auditory model; Cochlear implant; Companding; Hearing aids; Spectral enhancement; Two tone suppression

Indexed keywords

ALGORITHMS; COMPUTER SIMULATION; DATA REDUCTION; DECISION MAKING; FOURIER TRANSFORMS; HEARING AIDS; PARAMETER ESTIMATION; SIGNAL PROCESSING; SPEECH RECOGNITION; VLSI CIRCUITS;

AUDITORY FILTERING; AUDITORY MASKING; AUDITORY MODELS; COCHLEAR IMPLANTS; COMPANDING; SPECTRAL ENHANCEMENT; TWO-TONE SUPPRESSION;

AUDIO SYSTEMS;

EID: 14644431758     PISSN: 10636676     EISSN: None     Source Type: Journal    
DOI: 10.1109/TSA.2004.841044     Document Type: Article

References (25)

1. L. Turicchia and R. Sarpeshkar, "The silicon cochlea: From biology to bionics," in Biophysics of the Cochlea: From Molecules to Models, A. W. Gummer, Ed. Singapore: World Scientific, 2003, pp. 417-423.
2. R. Sarpeshkar, R. F. Lyon, and C. A. Mead, "A low-power wide-dynamic-range analog VLSI cochlea," Analog Integr. Circuits Signal Process., vol. 16, no. 3, pp. 245-274, Aug. 1998.
3. J. R. Schilling, R. L. Miller, M. B. Sachs, and E. D. Young, "Frequency-shaped amplification changes the neural representation of speech with noise-induced hearing loss," Hearing Res., vol. 117, pp. 57-70, Mar. 1998.
4. R. L. Miller, B. M. Calhoun, and E. D. Young, "Contrast enhancement improves the representation of e-like vowels in the hearing-impaired auditory nerve," J. Acoust. Soc. Amer., vol. 106, no. 5, pp. 2693-708, Nov. 1999.
5. M. B. Sachs, I. C. Bruce, R. L. Miller, and E. D. Young, "Biological basis of hearing-aid design," Ann. Biomed. Eng., vol. 30, no. 2, pp. 157-68, 2002.
6. H. T. Bunnell, "On enhancement of spectral contrast in speech for hearing-impaired listeners," J. Acoust. Soc. Amer., vol. 88, no. 6, pp. 2546-2556, Dec. 1990.
7. Y. M. Cheng and D. O'Shaughnessy, "Speech enhancement based conceptually on auditory evidence," IEEE Trans. Signal Process., vol. 39, no. 1, pp. 1943-54, Jan. 1991.
8. M. A. Stone and B. C. J. Moore, "Spectral feature enhancement for people with sensorineural hearing impairment: Effects on speech intelligibility and quality," J. Rehabil Res. Dev., vol. 29, no. 2, pp. 39-56, 1992.
9. T. Baer, B. C. J. Moore, and S. Gatehouse, "Spectral contrast enhancement of speech in noise for listeners with sensorineural hearing impairment: Effects on intelligibility, quality, and response times," J. Rehabil Res. Dev., vol. 30, no. 1, pp. 49-72, 1993.
10. Z. Ribic, Y. Jun, and M. Latzel, "Adaptive spectral contrast enhancement based on masking effect for the hearing impaired," in Proc. 1996 IEEE Int. Conf. Acoustics, Speech, and Signal Processing Conf., vol. 2, May 2, 1996, pp. 937-940.
11. J. Yang, F. Luo, and A. Nehorai, "Spectral contrast enhancement: Algorithms and comparisons," Speech Commun., vol. 39, Jan. 2003.
12. T. Painter and A. Spanias, "Perceptual coding of digital audio," Proc. IEEE, vol. 88, no. 4, pp. 451-515, Apr. 2000.
13. M. W. Baker, T. K.-T. Lu, C. Salthouse, J. J. Sit, S. Zhak, and R. Sarpeshkar, "A 16-channel analog VLSI processor for bionic ears and speech-recognition front ends," in Proc. 2003 IEEE Custom Integrated Circuits Conf., Orlando, FL, Oct. 2003.
14. P. C. Loizou and O. Poroy, "Minimum spectral contrast needed for vowel identification by normal hearing and cochlear implant listeners," J. Acoust. Soc. Amer., vol. 110, no. 3, pp. 1619-1627, Sep. 2001.
15. M. Dorman and P. Loizou, "Improving consonant intelligibility for ineraid patients fit with CIS processors by enhancing contrast among channel outputs," Ear Hearing, vol. 17, no. 4, pp. 308-313, Aug. 1996.
16. J. Lyzenga, J. M. Festen, and T. Houtgast, "A speech enhancement scheme incorporating spectral expansion evaluated with simulated loss of frequency selectivity" J. Acoust. Soc. Amer., vol. 112, no. 3, pp. 1145-1157, Sep. 2002.
17. B. C. J. Moore, "Speech processing for the hearing-impaired: Successes, failures, and implications for speech mechanisms," Speech Commun., vol. 41, no. 1, pp. 81-91, Aug. 2003.
18. R. Dolby, "An audio noise reduction system," J. Audio Eng. Soc., vol. 15, no. 4, Oct. 1967.
19. Y. Tsividis, "Externally linear, time-invariant systems and their application to companding signal processors," IEEE Trans. Circuits Syst. II, vol. 44, no. 2, pp. 65-85, Feb. 1997.
20. D. Frey, Y. Tsividis, G. Efthivoulidis, and N. Krishnapura, "Syllabic-Companding log domain filters," IEEE Trans. Circuits Syst. II, vol. 48, no. 4, pp. 329-339, Apr. 2001.
21. C. D. Salthouse and R. Sarpeshkar, "A practical micropower programmable bandpass filter for use in bionic ears," IEEE J. Solid-State Circuits, vol. 38, no. 1, pp. 63-70, Jan 2003.
22. P. C. Loizou, "Mimicking the human ear," IEEE Signal Process. Mag., vol. 15, no. 5, pp. 101-30, May 1998.
23. R. Sarpeshkar, R. F. Lyon, and C. A. Mead, "A low power wide dynamic range analog VLSI cochlea," Analog Integr. Circuits Signal Process., vol. 16, no. 3, pp. 245-274, Aug. 1998.
24. T. K.-T. Lu, M. Baker, C. Salthouse, J. J. Sit, S. Zhak, and R. Sarpeshkar, "A micropower analog VLSI processing channel for bionic ears and speech recognition front ends," in Proc. IEEE Symp. Circuits and Systems, May 2003.
25. B. Strope and A. Alwan, "A model of dynamic auditory perception and its application to robust word recognition," IEEE Trans. Speech Audio Process., vol. 5, no. 5, pp. 451-64, Sep. 1997.