Improving speech intelligibility in cochlear implants using acoustic models

WSEAS Transactions on Signal Processing

Volumn 7, Issue 4, 2011, Pages 131-144

  Vijayalakshmi, P ^a   Nagarajan, T ^a   Mahadevan, Preethi ^a  

^a SSN COLLEGE OF ENGINEERING   (India)

Author keywords

Acoustic CI simulations; Auditory model; Channel vocoder; Cochlear implants; Critical band; Filter banks; MFCC; Speech intelligibility

Indexed keywords

ACOUSTIC MODEL; AUDITORY MODELS; AUDITORY SYSTEMS; COMPARATIVE STUDIES; CRITICAL BANDS; ELECTRICAL STIMULATIONS; ENGLISH LANGUAGES; HUMAN EAR; LISTENING TESTS; MEAN OPINION SCORES; MEL-FREQUENCY CEPSTRAL COEFFICIENTS; MFCC; NEIGHBOURHOOD; PATIENT SPECIFIC; PERCEPTUAL QUALITY; PROSTHETIC DEVICES; SIMULATION MODEL; SYSTEM SPECIFIC; TIMIT DATABASE; WAVE FORMS;

AUDITION; BANDWIDTH; COMPUTER SIMULATION; FEATURE EXTRACTION; FILTER BANKS; FREQUENCY BANDS; SPEECH INTELLIGIBILITY; SPEECH RECOGNITION;

COCHLEAR IMPLANTS;

EID: 84857131313     PISSN: 17905052     EISSN: 22243488     Source Type: Journal    
DOI: None     Document Type: Article

References (20)

1. P.C. Loizou, "Mimicking the human ear"IEEE Signal Processing magazine, vol. 15, no. 5, Sep. 1998, pp. 101-130
2. F. G. Zeng, S. Rebscher, W. Harrison, X. Sun, and H. Feng, "Cochlear Implants: System Design, Integration, and Evaluation"-IEEE Reviews in Biomedical Engineering, vol. 1, 2008, pp 115-142.
3. S. K. An, S. Park, S. B. Jun, C. J. Lee, K. M. Byun, J. H. Sung, B. S. Wilson, S. J. Rebscher, S. H. Oh and S. J. Kim, "Design for a Simplified Cochlear Implant System", IEEE Trans. on Biomedical Engineering, Vol. 54, No.6, Jun. 2007, pp. 973-982.
4. H. J. McDermott, "How cochlear implants have expanded our understanding of speech perception"in Proc. of the IEEE EMBC, Vol. 20, No 5, 1998, pp. 2251-2256..
5. J. Yao and Y. T. Zhang, "Bionic wavelet transform: a new time-frequency method based on an auditory model"-IEEE Trans on Biomedical Engineering, Vol. 48, No.8 Aug. 2001, pp. 856-863
6. P.C. Loizou, "Signal-processing techniques for Cochlear implants"IEEE Engineering in Medicine and Biology, May/Jun. 1999, pp. 34-46.
7. J. Sit, A. M. Simonson, A. J. Oxenham, M. A. Faltys, and R. Sarpeshkar, "A Low-Power Asynchronous Interleaved Sampling Algorithm for Cochlear Implants That Encodes Envelope and Phase Information", IEEE Trans. on Biomedical Engineering, Vol. 54, No. 1, Jan. 2007, pp. 138-149
8. D. K. Eddington, W. M. Rabinowitz, and L. A. Dellzome, "Sound Processing for Cochlear Implants", in Proceedings of International IEEE EMBC, 2001, pp. 3449-3452.
9. C. Liu and Q. Fu, "Estimation of vowel recognition with cochlear implant simulations", IEEE Trans. on Biomedical Engineering, Vol. 54, No.1, Jan. 2007, pp.74-81.
10. K.I. Kirk, L.S. Eisenberg, A.S. Martinez AND M. Hay-McCutchen, "The lexical neighborhood test:- test-retest reliability and inter-list equivalency"-Progress report no. 22 (Indiana university).
11. Fisher, W. M., G. R. Doddington and K. M. Goudie-Marshal,-"The DARPA speech recognition research database: Specifications and status,-in Proc. DARPA workshop on Speech Recognition, Feb. 1986, pp. 93-99.
12. P. C. Loizou, "Speech processing in vocoder-centric cochlear implants"Cochlear and Brainstem Implants. Adv Otorhinolaryngol. Basel, Karger, vol 64, pp 109-143, 2006.
13. B. Gold and N. Morgan, "Speech and audio signal processing-processing and perception of speech and music". John Wiley and Sons. Inc., 2000.
14. L. R. Rabiner and R. W. Schafer, Digital processing of speech signals. Prentice Hall, 1978.
15. O'Shaughnessy, D., Speech Communications. IEEE Press, 2000.
16. P. Vijayalakshmi, P. M. Kumar, Ra. V. Jayanthan and T. Nagarajan-"Cochlear implant models based on critical band filters"-in Proceedings of IEEE TENCON 2009, Singapore, Nov. 23-26, Nov. 2009, pp. 1-5.
17. J. D. Markel, "The SIFT Algorithm for Fundamental Frequency Estimation"IEEE Trans. on Audio Electroacoust., pp. 367-377, Dec. 1972
18. J. Makhoul, "Linear Prediction: A Tutorial Review"Proc. of IEEE Vol. 63, No.5, Apr. 1975, pp 561-580.
19. A. Abraham, P. Vijayalakshmi and T. Nagarajan, "Pole-focused linear predictionbased spectrogram for coarticulation analysis"-in Proc. of IEEE Techsym 2010, pp. 94-97.
20. Ra. V. Jayanthan, P. Vijayalakshmi and P. M.Kumar-"Auditory model based acoustic CI simulations for patients with profound hearing loss"-in Proc. of Conference on Implantable Auditory Prosthesis (CIAP)-2009, pp. 228.