ETSI ES 202 667-2010 Speech and multimedia Transmission Quality (STQ) Audiovisual QoS for communication over IP networks (V1 1 5)《语音和多媒体传输质量(STQ) IP网络通信的视听服务质量(版本1 1 5)》.pdf
《ETSI ES 202 667-2010 Speech and multimedia Transmission Quality (STQ) Audiovisual QoS for communication over IP networks (V1 1 5)《语音和多媒体传输质量(STQ) IP网络通信的视听服务质量(版本1 1 5)》.pdf》由会员分享,可在线阅读,更多相关《ETSI ES 202 667-2010 Speech and multimedia Transmission Quality (STQ) Audiovisual QoS for communication over IP networks (V1 1 5)《语音和多媒体传输质量(STQ) IP网络通信的视听服务质量(版本1 1 5)》.pdf(70页珍藏版)》请在麦多课文档分享上搜索。
1、 ETSI ES 202 667 V1.1.5 (2010-05)ETSI Standard Speech and multimedia Transmission Quality (STQ);Audiovisual QoS for communication over IP networksETSI ETSI ES 202 667 V1.1.5 (2010-05) 2Reference RES/STQ-00153 Keywords multimedia, QoS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANC
2、E Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be
3、made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version
4、kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If y
5、ou find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reprod
6、uction in all media. European Telecommunications Standards Institute 2010. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its
7、 Members and of the 3GPP Organizational Partners. LTE is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI ES 202 667 V1.1.5 (2010-05) 3Co
8、ntents Intellectual Property Rights 5g3Foreword . 5g31 Scope 6g32 References 6g32.1 Normative references . 6g32.2 Informative references 10g33 Definitions and abbreviations . 12g33.1 Definitions 12g33.2 Abbreviations . 12g34 Parameters affecting audiovisual user perceived quality . 15g34.1 Audiovisu
9、al user perceived quality model . 15g34.2 Coding algorithms 15g34.2.1 Speech . 15g34.2.2 Audio 17g34.2.3 Video 18g34.2.4 Lip synchronization 22g34.3 Network transmission protocols and principles 23g34.3.1 Unreliable communication 23g34.3.2 Multicast . 23g34.3.3 Reliable communication . 24g34.3.4 Mul
10、tipoint . 24g34.3.5 DSL Access 24g34.3.5.1 Asymmetrical DSL 25g34.3.5.2 Symmetrical DSL 26g34.3.6 Wireless access . 26g34.3.6.1 2G Mobile access 26g34.3.6.2 3G Mobile access 26g34.3.6.3 Long Term Evolution (LTE - 4G) . 27g34.3.6.4 DECT 27g34.3.6.5 Broadband Wireless Access 29g34.3.6.6 WLAN . 29g34.3
11、.7 Broadcasting . 30g34.3.8 Cable networks . 30g34.4 Network performance parameters 32g34.4.1 Transmission bandwidth . 32g34.4.1.1 General considerations 32g34.4.1.2 Speech transmission 32g34.4.1.3 Audio transmission . 32g34.4.1.4 Video transmission 34g34.4.2 Packet loss 34g34.4.2.1 General consider
12、ations 34g34.4.2.2 Speech transmission 34g34.4.2.3 Audio transmission . 35g34.4.2.4 Video transmission 36g34.4.3 Transmission delay . 37g34.4.3.1 General 37g34.4.3.2 Transmitting terminal delay 37g34.4.3.3 Access network delay 38g34.4.3.4 Core network delay . 39g34.4.3.5 Receiving terminal delay . 3
13、9g34.4.4 Transmission delay variations (jitter) . 39g34.5 Terminal characteristics . 40g34.5.1 Packet loss recovery 40g34.5.2 Playout buffer . 40g3ETSI ETSI ES 202 667 V1.1.5 (2010-05) 44.5.3 Audio characteristics. 40g34.5.4 Video display 40g34.6 Audio-video interaction 41g35 Audiovisual application
14、s classification 41g35.1 Delay sensitive applications . 42g35.2 Delay insensitive applications 42g36 Delay sensitive audiovisual applications requirements 42g36.1 Coding algorithms 42g36.1.1 Narrowband speech. 42g36.1.2 Wideband speech 43g36.1.3 Video 43g36.2 Network performance requirements . 44g36
15、.3 Terminal characteristics . 45g36.3.1 Narrowband speech. 45g36.3.2 Wideband speech 45g36.3.3 Video 45g37 Delay insensitive audiovisual applications requirements . 46g37.1 Coding algorithms 46g37.1.1 Audio 46g37.1.2 Video 46g37.2 Network performance requirements . 47g37.3 Terminal characteristics .
16、 48g37.3.1 Audio 48g37.3.2 Video 48g3Annex A (informative): Audio-video quality interaction 49g3A.1 Introduction 49g3A.2 Available information. 49g3A.2.1 TR 102 479 . 49g3A.2.2 Results presented to ITU-T Recommendation SG.12 51g3Annex B (informative): QoS mechanisms and the effects on connection per
17、formance . 54g3B.1 Introduction 54g3B.2 QoS mechanisms 54g3B.2.1 Integrated services (IntServ). 54g3B.2.2 Differentiated services (DiffServ) 54g3B.2.3 WLAN QoS mechanism . 55g3B.2.4 WiMax QoS mechanism 56g3B.2.5 HSPA/LTE packet scheduling 56g3B.2.6 RACS . 57g3B.2.7 Cable networks QoS mechanism 59g3B
18、.3 Effects on connection performance 62g3Annex C (informative): Packet loss recovery . 63g3C.1 Introduction 63g3C.2 Application layer packet loss recovery methods 63g3C.2.1 Speech and audio recovery . 63g3C.2.2 Video recovery . 66g3C.3 Performance improvement . 66g3Annex D (informative): Pr ovisiona
19、l QoS Classes defined in ITU-T Recommendation Y.1541 68g3Annex E (informative): Bibliography . 69g3History 70g3ETSI ETSI ES 202 667 V1.1.5 (2010-05) 5Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertainin
20、g to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat
21、. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the u
22、pdates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This ETSI Standard (ES) has been produced by ETSI Technical Committee Speech and multimedia Transmission Quality (STQ). ETSI ETSI ES 202 667 V1.1.5 (2010-05) 61 Scope The present document
23、addresses combination network performance parameters and user perceived media (audio and video) quality parameters for audiovisual communications on IP networks. The access technologies covered include both wired (e.g. xDSL) and wireless (e.g. UMTS, WLAN) technologies. The display size range covered
24、 is from those of small mobile terminals (e.g. 2“) up to large TV sets (e.g. 40“ or more). It is applicable to: Broadcasting and streaming applications such as IPTV and VoD. Interactive point-to-pint applications such as videotelephony and videoconferencing. Where the media coding standards define t
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