By Topic

End-to end delay performance analysis of various codecs on VoIP Quality of Service

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Sahabudin, S. ; Telekom Malaysia, Kuala Lumpur, Malaysia ; Alias, M.Y.

Voice over Internet Protocol (VoIP) services are susceptible to Internet Protocol (IP) network burstiness causing packets drop and momentary gap in the call. The main objective of this paper is to study the effect of various voice codec schemes on the VoIP Quality of Service (QoS). Popular voice codecs such as G.711, G.729A Conjugate-Structure Algebraic-Code-Excited Linear-Prediction (CS-ACELP), G.723.1 and G.726 Adaptive Differential Pulse Code Modulation (ADPCM) are studied and VoIP simulation models are built. The voice codec performance is determined with the best performance codec identified. From the simulations, the end-to-end delay (Ta) results for each of the users were obtained. The results were averaged out to gain the average end-to end delay (Ta) for every simulation. From the simulation results it can be seen that for most of the locations, G.711 without using silence suppression has the highest average end-to-end delay (Ta). On the other hand, G.723.1 with silence suppression has the lowest average Ta.

Published in:

Communications (MICC), 2009 IEEE 9th Malaysia International Conference on

Date of Conference:

15-17 Dec. 2009