Improved Echo cancellation in VOIP
نویسندگان
چکیده
منابع مشابه
Improved Echo cancellation in VOIP
VoIP (voice over internet protocol) is very popular communication technology of this century and has played tremendous role in communication system. It is preferred by all because it deploys many benefits it uses Internet protocol (IP) networks to deliver multimedia information such as speech over a data network. VoIP system can be configured in these connection modes respectively; PC to PC, Te...
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We propose a new low complexity, low delay, and fast converging frequency-domain adaptive algorithm for network echo cancellation in VoIP exploiting MMax and sparse partial (SP) tap-selection criteria in the frequency domain. We incorporate these tap-selection techniques into the multidelay filtering (MDF) algorithm in order to mitigate the delay inherent in frequency-domain algorithms. We illu...
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With the advent of packetized audio transmission, such as voice over IP (VoIP), and Voice over WLAN (VoWLAN), echo cancellation has put forth many challenging requirements. When an adaptive filter echo cancellation algorithm is used, its performance can be greatly increased, and its complexity can be reduced if it is only applied to the active regions in which echo exists. The proposed scheme e...
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This paper presents a new approach for Stereophonic acoustic echo cancellation (SAEC), based on a combination of J-H network and the natural gradient algorithm. In the new approach for SAEC, Computer simulations show that echoes are significantly reduced. Disciplines Physical Sciences and Mathematics Publication Details Ge, F., Premaratne, P. & Xi, J. (2005). Stereophonic acoustic echo cancella...
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ژورنال
عنوان ژورنال: International Journal of Advanced Computer Science and Applications
سال: 2011
ISSN: 2158-107X,2156-5570
DOI: 10.14569/ijacsa.2011.021120