Nonintrusive Measurement of Echo-Path Parameters in VoIP Environments

dc.AffiliationOctober University for modern sciences and Arts (MSA)
dc.contributor.authorDing, Lijing
dc.contributor.authorSamy El-Hennawey, Mohamed
dc.contributor.authorA Goubran, Rafik
dc.date.accessioned2020-01-22T10:50:48Z
dc.date.available2020-01-22T10:50:48Z
dc.date.issued2006
dc.descriptionMSA Google Scholaren_US
dc.description.abstractThis paper proposes two echo-path delay measurement methods suitable for voice-over-Internet-protocol environments, where the echo suffers from excessive delay and nonlinear distortion. The proposed methods aim at greatly reducing the computational requirements while maintaining good measurement accuracy. The delay measurement is based on the cross correlation; the computation reduction is achieved by using either downsampled speeches or sparse speeches for the two methods, respectively. The echo-path loss is also measured by using the obtained delay information. The performance under codec distortion, packet loss, noise, and double talk conditions is examined through simulations and real field measurements. The results show that the proposed methods are effective and accurateen_US
dc.description.urihttps://www.scimagojr.com/journalsearch.php?q=15361&tip=sid&clean=0
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dc.identifier.issnPrint ISSN: 0018-9456
dc.identifier.issnElectronic ISSN: 1557-9662
dc.identifier.urihttps://cutt.ly/1rBNbRT
dc.language.isoenen_US
dc.publisherIEEEen_US
dc.relation.ispartofseriesIEEE Transactions on Instrumentation and Measurement;Volume: 55 , Issue: 6 , Dec. 2006, Page(s): 2062 - 2071
dc.subjectDistortion measurementen_US
dc.subjectSpeechen_US
dc.subjectPage description languagesen_US
dc.subjectNonlinear distortionen_US
dc.subjectDelay estimationen_US
dc.subjectInternet telephonyen_US
dc.subjectLoss measurementen_US
dc.subjectPerformance lossen_US
dc.subjectCodecsen_US
dc.subjectAdded delayen_US
dc.titleNonintrusive Measurement of Echo-Path Parameters in VoIP Environmentsen_US
dc.typeArticleen_US

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