Identyfikatory
Warianty tytułu
Języki publikacji
Abstrakty
In this paper a simple analytical expression based on E-model is applied to analyse the impact of packet loss and delay on voice transmission quality. The relationship between overall transmission quality rating, packet loss and delay G.711, G.723 and G.729 codes is presented.
Słowa kluczowe
Rocznik
Tom
Strony
53--56
Opis fizyczny
Bibliogr. 7 poz., tab., rys.
Twórcy
autor
- Institute of Telecommunications, Warsaw University of Technology
Bibliografia
- [1] ETSI TS 101 329-2 V1.1.1, “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON)”; “End to End Quality of Service in TIPHON Systems”; Part 2: “Definition of Quality of Service (QoS) Classes”, Sophia Antipolis Cedex – France, ETSI, 7/2000.
- [2] ETSI EG 201 050 V1.2.2, “Speech Processing, Transmission and Quality Aspects (STQ)”; “Overall Transmission Plan Aspects for Telephony in a Private Network”, Sophia Antipolis Cedex – France, ETSI,2/1999.
- [3] ITU-T Rec. G.107, “The E-model, a computational model for use In transmission planning”, Geneva, ITU, 5/2000.
- [4] D. De Vleeschauwer and J. Janssen, “Quality bounds for packetized voice transport”, Alcatel Telecommun. Rev., no. 1, pp. 19–23, 2000.
- [5] ITU-T Rec. P.833, “Methodology for derivation of equipment impairment factors from subjective listening – only tests”, Geneva, ITU, 2/2001.
- [6] ITU-T Rec. G.113, “Transmission impairments”, Appendix I: “Provisional planning values for the equipment impairment factor Ie ”, Geneva, ITU, 9/1999.
- [7] ITU-T Rec. G.114, “One-way transmission time”, Geneva, ITU, 5/2000.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPS2-0018-0015
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.