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Journal of Electrical and Computer Engineering
Volume 2010, Article ID 902569, 5 pages
Research Article

Acoustic Echo Cancellation Embedded in Smart Transcoding Algorithm between 3GPP AMR-NB Modes

1Media Application Server, Mas DEV, Genband Inc., 3500 Carling Avenue, Ottawa, ON, K2H 8E9, Canada
2Institut Télécom, Télécom Bretagne, UMR CNRS 3192 Lab-STICC, Université Européenne de Bretagne, Technopôle Brest Iroise-CS 83818, 29238 Brest Cedex, France
3DSP Software, Business Group Communication Solutions, Infineon Technologies France-R&D Center, GAIA-2600, Route des Cretes-06560 Sophia-Antipolis, France
4Huawei Technologies Co., Ltd., EU R&D Center, Riesstrasse 25, Munich 80992, Germany

Received 11 November 2009; Accepted 5 August 2010

Academic Editor: Andreas Spanias

Copyright © 2010 Emmanuel Rossignol Thepie Fapi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. X. Lu and B. Champagne, “A centralized acoustic echo canceller exploiting masking properties of the human ear,” in Proceedings of IEEE International Conference on Accoustics, Speech, and Signal Processing, vol. 5, pp. 377–380, April 2003.
  2. M. Rages and K. C. Ho, “Limits on echo return loss enhancement on a voice coded speech signal,” in Proceedings of the 45th Midwest Symposium on Circuits and Systems, pp. 152–155, August 2002.
  3. G. Enzner, H. Kruger, and P. Vary, “On the problem of acoustic echo control in cellular networks,” in Proceedings of the International Workshop on Acoustic Echo and Noise Control (IWAENC '05), pp. 213–215, 2005.
  4. R. Chandran and D. J. Marchok, “Compressed domain noise reduction and echo suppression for network speech enhancement,” in Proceedings of the 43rd Midwest Circuits and Systems Conference (MWSCAS '00), pp. 10–13, August 2000.
  5. H. Taddei, C. Beaugeant, and M. De Meuleneire, “Noise reduction on speech codec parameters,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing, pp. 497–500, May 2004.
  6. E. Thepie, C. Beaugeant, H. Taddei, N. Dutsch, and D. Pastor, “Echo reduction based on speech codec parameters,” in Proceedings of the International Workshop on Acoustic Echo and Noise Control (IWAENC '06), 2006.
  7. C. Beaugeant and H. Taddei, “Quality computation load reduction achieved by applying smart transcoding between CELP speech coders,” in Proceedings of the European Signal Processing Conference (EUSIPCO '07), pp. 1372–1376, 2007.
  8. S. W. Yoon, H. G. Kang, Y. C. Park, and D. H. Youn, “Transcoding algorithm for G.723.1 and AMR speech coders: for interoperability between VoIP and mobile networks,” in Proceedings of 8th European Conference on Speech Communication and Technology (Eurospeech '03), pp. 1101–1104, 2003.
  9. 3GPP, “Mandatory speech codec speech processing functions; AMR speech codec; general description,” Tech. Rep. TS 26.090, 3GPP, 1999. View at Google Scholar
  10. W. C. Chu, Speech Coding Algorithms: Foundation and Evolution of Standardized Coders, chapter 16, Wiley Interscience, New York, NY, USA, 2003.
  11. C. Beaugeant, M. Schoenle, H. Loellman, B. Sauert, P. Steinert, and P. Vary, “Hand-free audio and its application to telecommunication termnals,” in Proceedings of the 29th International Conference on Audio for Mobile and Handheld Devices, September 2006.
  12. E. Hansler and G. Schmidt, Acoustic Echo and Noise Control: A Practical Approach, Wiley Interscience, New York, NY, USA, 2004.
  13. ITU-T, “ITU-T recommendation G.168, digital network echo cancellers,” Tech. Rep., ITU, 2004. View at Google Scholar