Strategies to improve the performance of very low bit rate speech coders and application to a variable rate 1.2 kb/s codec

IEE Proceedings: Vision, Image and Signal Processing

Volumn 152, Issue 1, 2005, Pages 74-86

  de Lamare, R C ^a   Alcaim, A ^a  

^a PONTIFICAL CATHOLIC UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; ALGORITHMS; MATHEMATICAL MODELS; NOISE ABATEMENT; SPEECH SYNTHESIS; TRANSFER FUNCTIONS;

LINEAR PREDICTIVE CODING; MIXED MULTIBAND EXCITATION; SPECTRAL ENVELOPE RESTORATION COMBINED-WITH-NOISE REDUCTION;

SPEECH CODING;

EID: 17244378082     PISSN: 1350245X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1049/ip-vis:20051189     Document Type: Article

References (28)

1. Griffin, D.W., and Lim, J.S.: 'Multiband excitation vocoder', IEEE Trans. Acoust. Speech Signal Process., 1988, pp. 1223-1235
2. Teague, K.A., Leach, B., and Andrews, W.: 'Development of a high-quality MBE based vocoder for implementation at 2400 bps'. Proc. IEEE Wichita Conf. on Communications, Networking and Signal Processing, April 1994, pp. 129-133
3. Supplee, L.M., Cohn, R.P., Collura, J.S., and McCree, A.V.: 'MELP: the new Federal Standard at 2400 bps'. Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, 1997, pp. 1591-1594
4. Schroeder, M.R., and Atal, B.S.: 'Code-excited linear prediction (CELP): high quality speech at very low bit rates'. Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, 1985, pp. 937-940
5. Atal, B., and Hanauer, S.: 'Speech analysis and synthesis by linear prediction of the speech wave', J. Acoust. Soc. Am., 1971, 50 pp. 637-655
6. de Lamare, R.C., and Alcaim, A.: 'Very low bit rate speech coding in tandem connections', Electron. Lett., 2003 39, (18), pp. 1356-1357
7. Unno, T., Barnwell T.P., III, and Truong, K.: 'An improved mixed excitation linear prediction (MELP) coder'. Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, Phoenix, USA, 1999, paper 1764
8. Ehnert, W.: 'Variable-rate speech coding: coding unvoiced frames with 400bps'. Proc. EUSIPCO'98, Rhodes, Greece, 1998, pp. 1437-1440
9. de Lamare, R.C., da Silva, L.M., and Alcaim, A.: 'Sound specific modelling and synthesis with a new postfiltering in low bit rate speech coding' Proc. IEEE Int. Symp. on Circuits and Systems, Scottsdale, Arizona, USA, 2002
10. Soong, F.K., and Juang, B.H.: 'Line spectrum pair (LSP) and speech data compression'. Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, 1984
11. Paliwal, K.K., and Atal, B.S.: 'Efficient vector quantization of LPC parameters at 24 bits/frame', IEEE Trans. Speech Audio Process, 1993, 1, (1), pp. 3-14
12. LeBlanc, W.P., Battacharya, B., Mahmoud, S.A., and Cupperman, V.: 'Efficient search and design procedures for robust multi-stage VQ of LPC parameters for 4 kb/s speech coding', IEEE Trans. Speech Audio Process., 1993, 1, (4), pp. 373-385
13. Gersho, A., and Gray, R.M.: 'Vector quantization and signal compression' (Kluwer Academic Publishers, Boston, 1992)
14. da Silva, L.M., and Alcaim, A.: 'Differential coding of speech LSF parameters using hybrid vector quantization and bidirectional prediction', IEEE Trans. Speech Audio Process., 2000, 8, (2), pp. 208-210
15. Yong, M., Davidsson, G., and Gersho, A.: 'Encoding of LPC spectral parameters using switched-adaptive interframe vector prediction'. Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, New York, USA, 1988, Vol. 1, pp. 402-405
16. Eriksson, T., Lindén, J., and Skoglund, J.: 'Exploiting interframe correlation in spectral quantization: a study of different memory VQ schemes'. Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, 1996
17. McCree, A., and De Martin, J.C.: 'A 1.7 KB/S Melp coder with improved analysis and quantization'. Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, 1998
18. de Lamare, R.C., and Alcaim, A.: 'Analysis of LSF switched-predictive vector quantisers'. Proc. IEEE Int. Symp. on Signal Processing and its Applications, Kuala Lumpur, Malaysia, 2001
19. de Lamare, R.C., and Alcaim, A.: 'Noisy channel performance of LSF switched-predictive vector quantisers'. Proc. IEEE Int. Conf. on Information, Communications and Signal Processing, Singapore, 2001
20. Barnes, C.F., and Frost, R.L.: 'Vector quantizers with direct sum codebooks', IEEE Trans. Inf. Theory, 1993, 39, pp. 565-580
21. Chen, J., and Gersho, A.: 'Adaptive postfiltering for quality enhancement of coded speech', IEEE Trans. Speech Audio Process., 1995, 3, pp. 59-71
22. da Silva, L.M., and Alcaim, A.: 'Enhancement of CELP speech coding with postfiltering for spectral envelope restoration'. Proc. Int. Conf. on Telecommunications, Porto Carras, Greece, June 1998, pp. 269-272
23. de Lamare, R.C., and Alcaim, A.: 'Effects of adaptive postfilters on the LSF quantisation for low bit rate speech coders in tandem connections', Proc. IEEE Int. Symp. on Signal Processing and its Applications, Paris, 2003
24. Arslan, L., McCree, A., and Viswanathan, V.: 'New methods for adaptive noise supression'. Proc. IEEE Int. Conf. on Acoustics, Speech, Signal Processing, 1995, pp. 373-385
25. Alcaim, A., Solewicz, J.A., and Moraes, J.A.: 'Frequency of occurrence of phones and lists of phonetically balanced sentences in the Portuguese spoken in Rio de Janeiro', J. Brazilian Telecommun. Soc., 1992, 7, pp. 23-41
26. Laroia, R., Phamdo, N., and Farvardin, N.: 'Robust and efficient quantization of speech LSP parameters using structured vector quantizers'. Proc. IEEE Int. Conf. on Acoustics, Speech, Signal Processing, Maio, 1991, pp. 641-644
27. Boll, S.F.: 'Suppression of acoustic noise in speech using spectral subtraction', IEEE Trans. Acoust., Speech, Signal Process., 1979, 27, pp. 113-120
28. 'Perceptual evaluation of speech quality (PESQ): An objective method for end-to-end speech quality assessment of narrow-band telephone networks and speech codecs', Recommendation P.862, ITU-T, February 2001