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LCN
2007
IEEE
14 years 1 months ago
Voice quality measurement in a typical router-based network
In this paper, we introduce novel mechanisms for measuring and evaluating the performance of a network and its devices, configured especially for Voice over IP (VoIP). We study the...
A. Azarfar, A. H. Jahangir
EUROGP
2007
Springer
102views Optimization» more  EUROGP 2007»
14 years 1 months ago
Real-Time, Non-intrusive Evaluation of VoIP
Abstract. Speech quality, as perceived by the users of Voice over Internet Protocol (VoIP) telephony, is critically important to the uptake of this service. VoIP quality can be deg...
Adil Raja, R. Muhammad Atif Azad, Colin Flanagan, ...
ICASSP
2009
IEEE
14 years 1 months ago
A criterion for the enhancement of time-frequency masks in missing data recognition
Despite their effectiveness for robust speech processing, missing data techniques are vulnerable to errors in the classification of the input speech signal’s time-frequency poi...
Daniel Pullella, Roberto Togneri
ER
2007
Springer
157views Database» more  ER 2007»
14 years 1 months ago
Perceived vs. Measured Quality of Conceptual Schemas: An Experimental Comparison
Frequently the behaviour of an information system is functionally correct, but it does not meet some quality criteria, such as completeness, consistency, and usability. One way to...
Samira Si-Said Cherfi, Jacky Akoka, Isabelle Comyn...
INTERSPEECH
2010
13 years 1 months ago
Reducing musical noise in blind source separation by time-domain sparse filters and split bregman method
Musical noise often arises in the outputs of time-frequency binary mask based blind source separation approaches. Postprocessing is desired to enhance the separation quality. An e...
Wenye Ma, Meng Yu, Jack Xin, Stanley Osher