Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)

Voice over Internet Protocol (VoIP) is one of the fastest growing Internet applications. It is a viable alternative to the traditional telephony systems due to its high resource utilization and cost efficiency. Meanwhile, Wireless Local Area Networks (WLANs) have become a ubiquitous networking techn...

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Main Author:	Nong Sofeah, Mohd Razif
Format:	Undergraduates Project Papers
Language:	English
Published:	2013
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://umpir.ump.edu.my/id/eprint/8744/ http://umpir.ump.edu.my/id/eprint/8744/ http://umpir.ump.edu.my/id/eprint/8744/1/cd8314.pdf

id	ump-8744
recordtype	eprints
spelling	ump-87442015-10-27T02:37:09Z http://umpir.ump.edu.my/id/eprint/8744/ Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR) Nong Sofeah, Mohd Razif TK Electrical engineering. Electronics Nuclear engineering Voice over Internet Protocol (VoIP) is one of the fastest growing Internet applications. It is a viable alternative to the traditional telephony systems due to its high resource utilization and cost efficiency. Meanwhile, Wireless Local Area Networks (WLANs) have become a ubiquitous networking technology that has been deployed around the world. In this research, 3 types of speech codec (GSM, ILBC, SPEEX) in the same sampling rate of (11-13) kbps are chosen to be test in predefined network environments to measure the performance base on R-Factor, MOS, and packet jitter and packet loss. Thus, a codec is expected to provide good quality of VoIP. And in some circumstances, bandwidth may be a crucial factor between the success and failure of an application. With the likes of Internet applications such as video and audio streaming, video and audio downloading, these has contributed to the increase of Internet users and which directly affect the performance of speech codec when tested with other traffic in the network because it were using the same network bandwidth. All three mention speech codec will be test based on these criteria. The speech quality of three speech codec namely GSM (13kbps) , ILBC (13.33 kbps) , and Speex (11kbps) under various network performance based on pre-determined SNR values will be evaluated and compare against. Several tests are constructed to prove that it meets the interest of investigation. The experimental procedure of this dissertation can be summarized to 2 main experiments which need to be repeated for each speech codec and for each predefined SNR value. Both types of network on two way communication testing; 1) Optimum Network, and 2) Network with others traffic, need to be repeated for all three speech codec GSM, ILBC, Speex with each respective SNR values; 10 dB, 20 dB, and 30 dB. All test criteria will be carry out on real devices simulation. At the end, the performance measurement of VOIP on Quality of Services; such as MOS, R-Factor, packet loss and packet jitter will be observe to determine the best speech codec in each scenario. 2013-12 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/8744/1/cd8314.pdf Nong Sofeah, Mohd Razif (2013) Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR). Faculty of Computer System and Software Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:81660&theme=UMP2
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Nong Sofeah, Mohd Razif Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)
description	Voice over Internet Protocol (VoIP) is one of the fastest growing Internet applications. It is a viable alternative to the traditional telephony systems due to its high resource utilization and cost efficiency. Meanwhile, Wireless Local Area Networks (WLANs) have become a ubiquitous networking technology that has been deployed around the world. In this research, 3 types of speech codec (GSM, ILBC, SPEEX) in the same sampling rate of (11-13) kbps are chosen to be test in predefined network environments to measure the performance base on R-Factor, MOS, and packet jitter and packet loss. Thus, a codec is expected to provide good quality of VoIP. And in some circumstances, bandwidth may be a crucial factor between the success and failure of an application. With the likes of Internet applications such as video and audio streaming, video and audio downloading, these has contributed to the increase of Internet users and which directly affect the performance of speech codec when tested with other traffic in the network because it were using the same network bandwidth. All three mention speech codec will be test based on these criteria. The speech quality of three speech codec namely GSM (13kbps) , ILBC (13.33 kbps) , and Speex (11kbps) under various network performance based on pre-determined SNR values will be evaluated and compare against. Several tests are constructed to prove that it meets the interest of investigation. The experimental procedure of this dissertation can be summarized to 2 main experiments which need to be repeated for each speech codec and for each predefined SNR value. Both types of network on two way communication testing; 1) Optimum Network, and 2) Network with others traffic, need to be repeated for all three speech codec GSM, ILBC, Speex with each respective SNR values; 10 dB, 20 dB, and 30 dB. All test criteria will be carry out on real devices simulation. At the end, the performance measurement of VOIP on Quality of Services; such as MOS, R-Factor, packet loss and packet jitter will be observe to determine the best speech codec in each scenario.
format	Undergraduates Project Papers
author	Nong Sofeah, Mohd Razif
author_facet	Nong Sofeah, Mohd Razif
author_sort	Nong Sofeah, Mohd Razif
title	Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)
title_short	Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)
title_full	Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)
title_fullStr	Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)
title_full_unstemmed	Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)
title_sort	performance analysis of speech codec (gsm, ilbc, speex) for voip over wireless local area network (wlan) with respective signal to noise-ratio (snr)
publishDate	2013
url	http://umpir.ump.edu.my/id/eprint/8744/ http://umpir.ump.edu.my/id/eprint/8744/ http://umpir.ump.edu.my/id/eprint/8744/1/cd8314.pdf
first_indexed	2023-09-18T22:06:39Z
last_indexed	2023-09-18T22:06:39Z
_version_	1777414752553664512

Performance analysis of speech codec (GSM, ILBC, SPEEX) for voip over wireless local area network (WLAN) with respective signal to noise-ratio (SNR)

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