CFP last date
20 January 2025
Reseach Article

TMS320C6713 DSK Implementation of G.711 Coded VoIP Signal

by Imran Ghous, Habibullah Jamal, Tahir Muhammad
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 65 - Number 18
Year of Publication: 2013
Authors: Imran Ghous, Habibullah Jamal, Tahir Muhammad
10.5120/11028-6434

Imran Ghous, Habibullah Jamal, Tahir Muhammad . TMS320C6713 DSK Implementation of G.711 Coded VoIP Signal. International Journal of Computer Applications. 65, 18 ( March 2013), 45-53. DOI=10.5120/11028-6434

@article{ 10.5120/11028-6434,
author = { Imran Ghous, Habibullah Jamal, Tahir Muhammad },
title = { TMS320C6713 DSK Implementation of G.711 Coded VoIP Signal },
journal = { International Journal of Computer Applications },
issue_date = { March 2013 },
volume = { 65 },
number = { 18 },
month = { March },
year = { 2013 },
issn = { 0975-8887 },
pages = { 45-53 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume65/number18/11028-6434/ },
doi = { 10.5120/11028-6434 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:20:35.056133+05:30
%A Imran Ghous
%A Habibullah Jamal
%A Tahir Muhammad
%T TMS320C6713 DSK Implementation of G.711 Coded VoIP Signal
%J International Journal of Computer Applications
%@ 0975-8887
%V 65
%N 18
%P 45-53
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

The quality of speech signal over a VoIP system is degraded by various network layer problems which include jamming, jitter, packet loss. Different types of noises also degrade the quality of speech signal such as external noise and quantization noise. This paper improves the quality of VoIP speech signal affected by these noises and network layer problems. The quality of degraded VoIP speech signal coded by using ITU-T G. 711 audio coding standard and implemented on the TMS320C6713 DSK has been compared with the quality of VoIP speech signal coded by using G. 729 audio data compression standard which uses code-excited linear prediction speech coding (CS-ACELP) for coding purpose and is implemented on TMS320C6713 DSK. Speech Enhancement Algorithm has been proposed for the improvement in the quality of VoIP signal. In order to evaluate the performance PESQ (ITU-T P. 862, Perceptual Evaluation of Speech Quality) is used.

References
  1. D. Collins, Carrier Grade Voice Over IP. San Francisco: McGraw-Hill, 2001.
  2. N. Katugampala and A. Kondoz, "A hybrid coder based on a new phase model for synchronization between harmonic and waveform coded segments," in Acoustics, Speech, and Signal Processing, 2001. Proceedings. (ICASSP '01). 2001 IEEE International Conference on, 2001, pp. 685-688 vol. 2.
  3. G. H. Hakonsen and T. A. Ramstad, "On Losses of Performance in a Joint Source Channel Coder," in Signal Processing Symposium, 2006. NORSIG 2006. Proceedings of the 7th Nordic, 2006, pp. 278-281.
  4. J. C. Bellamy. (2000). Digital Telephony.
  5. T. Painter and A. Spanias, "Perceptual coding of digital audio," Proceedings of the IEEE, vol. 88, pp. 451-515, 2000.
  6. S. M. Tsai and J. F. Yang, "Efficient algebraic code-excited linear predictive codebook search," Vision, Image and Signal Processing, IEE Proceedings -, vol. 153, pp. 761-768, 2006.
  7. C. W. Therdpong Daengsi, Apiruck Preechayasomboon, Saowanit Sukparungsee, "Speech Quality Assessment of VoIP: G. 711 VS G. 722 Based on Interview Tests with Thai Users," MECS, vol. 4, pp. 19-25, March 2012.
  8. T. Daengsi, et al. , "A study of VoIP quality evaluation: User perception of voice quality from G. 729, G. 711 and G. 722," in Consumer Communications and Networking Conference (CCNC), 2012 IEEE, 2012, pp. 342-345.
  9. ITU-T Recommendation P. 862," Perceptual evaluation of speech quality (PESQ), an objective method for end to end speech quality assessment of narrow band telephone networks and speech codecs, " Feb. 2001.
  10. Harjit Pal Singh, Sarabjeet Singh and Jasvir Singh. Comparison of Narrowband and Wideband VoIP using TMS320C6713 DSP Processor. IJCA Proceedings on International Symposium on Devices MEMS, Intelligent Systems & Communication (ISDMISC) (6):25-29, 2011. Published by Foundation of Computer Science, New York, USA
  11. http://www. voiptroubleshooter. com/open_speech/. Open Speech Repository.
  12. A. Sangwan, et al. , "VAD techniques for real-time speech transmission on the Internet," in High Speed Networks and Multimedia Communications 5th IEEE International Conference on, 2002, pp. 46-50
  13. Z. Tufekci, "Convolutional Bias Removal Based on Normalizing the Filterbank Spectral Magnitude," Signal Processing Letters, IEEE, vol. 14, pp. 485-488, 2007.
  14. M. G. Rahim and J. Biing-Hwang, "Signal bias removal for robust telephone based speech recognition in adverse environments," in Acoustics, Speech, and Signal Processing, 1994. ICASSP-94. , 1994 IEEE International Conference on, 1994, pp. I/445-I/448 vol. 1
  15. H. P. Singh, et al. , "Processing of VoIP Signal Using TMS320C6713 in Digital Domain," in Computer Engineering and Applications (ICCEA), 2010 Second International Conference on, 2010, pp. 606-610.
Index Terms

Computer Science
Information Sciences

Keywords

Noise Filtering G. 711 Speech Enhancement Algorithm TMS320C6713 DSK VoIP DSP Implementation FIR Hanning Window Filter