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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

Scalable Hybrid Speech Codec for Voice over Internet Protocol Applications

Author 1: Manas Ray
Author 2: Mahesh Chandra
Author 3: B.P. Patil

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2016.070424

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 7 Issue 4, 2016.

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Abstract: With the advent of various web-based applications and the fourth generation (4G) access technology, there has been an exponential growth in the demand of multimedia service delivery along with speech signals in a voice over internet protocol (VoIP) setup. Need is felt to fine-tune the conventional speech codecs deployed to cater to the modern environment. This fine-tuning can be achieved by further compressing the speech signal and to utilize the available bandwidth to deliver other services. This paper presents a scalable -hybrid model of speech codec using ITU-T G.729 and db10 wavelet. The codec addresses the problem of compression of speech signal in VoIP setup. The performance comparison of the codec with the standard codec has been performed by statistical analysis of subjective, objective and quantifiable parameters of quality desirable from the codec deployed in VoIP platforms.

Keywords: VoIP; Speech Compression; Hybrid Speech Codec; ITU-T G.729 codec; db10 wavelet; Statistical Analysis

Manas Ray, Mahesh Chandra and B.P. Patil, “Scalable Hybrid Speech Codec for Voice over Internet Protocol Applications” International Journal of Advanced Computer Science and Applications(IJACSA), 7(4), 2016. http://dx.doi.org/10.14569/IJACSA.2016.070424

@article{Ray2016,
title = {Scalable Hybrid Speech Codec for Voice over Internet Protocol Applications},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2016.070424},
url = {http://dx.doi.org/10.14569/IJACSA.2016.070424},
year = {2016},
publisher = {The Science and Information Organization},
volume = {7},
number = {4},
author = {Manas Ray and Mahesh Chandra and B.P. Patil}
}


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