8 kbit/s LD-CELP Coding for Mobile Radio

  • Ezio Biglieri
  • Juan Carlos De Martin
Conference paper
Part of the NATO ASI Series book series (volume 147)


This paper describes an 8 kbit/s LD-CELP coder. After describing the solutions chosen for the design of the coder, we approach the problem of channel coding, i.e., of protection of the quality of speech transmitted over a bursty channel.


Autocorrelation Toll Acoustics 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. [1]
    J. R. Boisson De Marca and N. S. Jayant, “An algorithm for assigning binary indices to the codevectors of a multidimensional quantizer” Proc. IEEE Int. Conf. Commun., pp. 1128–1132, June 1987.Google Scholar
  2. [2]
    J.-H. Chen, “High-quality 16 kb/s speech coding with a one-way delay less than 2 ms,” Proc. Int. Conf. Acoust., Speech, Signal process., pp. 453–456, Apr. 1990.Google Scholar
  3. [3]
    J.-H. Chen, R. V. Cox, Y.-C. Lin, N. Jayant, and M. J. Melchner, “Low-delay CELP coder for the CCITT 16 kb/s speech coding standard,” IEEE Journal on Selected Areas in Communications, Vol. 10, No. 5, pp. 830–849, June 1992.CrossRefGoogle Scholar
  4. [4]
    J.-H. Chen and M. S. Rauchwerk, “An 8 kb/s low-delay CELP speech coder,” Proc. of IEEE GLOBECOM’91, Phoenix, AZ, pp. 1894–1898, 2-5 Dec, 1991.Google Scholar
  5. [5]
    N. Farvardin, “A study of vector quantization for noisy channels,” IEEE Trans. Inform. Theory, Vol. 36, No. 4, pp. 799–809, July 1990.MathSciNetCrossRefGoogle Scholar
  6. [6]
    K. A. Zeger and A. Gersho, “Zero redundancy channel coding in vector quantisation,” Electron. Lett., Vol. 23, No. 12, pp. 654–656, June 1987.CrossRefGoogle Scholar
  7. [7]
    Coding of Speech at 16 kbitls Using Low-Delay Code Excited Linear Prediction (LD-CELP). CCITT Draft Recommendation G.728.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Ezio Biglieri
  • Juan Carlos De Martin
    • 1
  1. 1.Dipartimento di ElettronicaPolitecnicoTorinoItaly

Personalised recommendations