1、 International Telecommunication Union ITU-T H.722TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (01/2014) SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMSIPTV multimedia services and applications for IPTV IPTV terminal devices IPTV terminal device: Full-fledged model Recommendation ITU-T H.722 ITU-T H
2、-SERIES RECOMMENDATIONS AUDIOVISUAL AND MULTIMEDIA SYSTEMS CHARACTERISTICS OF VISUAL TELEPHONE SYSTEMS H.100H.199 INFRASTRUCTURE OF AUDIOVISUAL SERVICES General H.200H.219 Transmission multiplexing and synchronization H.220H.229 Systems aspects H.230H.239 Communication procedures H.240H.259 Coding o
3、f moving video H.260H.279 Related systems aspects H.280H.299 Systems and terminal equipment for audiovisual services H.300H.349 Directory services architecture for audiovisual and multimedia services H.350H.359 Quality of service architecture for audiovisual and multimedia services H.360H.369 Supple
4、mentary services for multimedia H.450H.499 MOBILITY AND COLLABORATION PROCEDURES Overview of Mobility and Collaboration, definitions, protocols and procedures H.500H.509 Mobility for H-Series multimedia systems and services H.510H.519 Mobile multimedia collaboration applications and services H.520H.
5、529 Security for mobile multimedia systems and services H.530H.539 Security for mobile multimedia collaboration applications and services H.540H.549 Mobility interworking procedures H.550H.559 Mobile multimedia collaboration inter-working procedures H.560H.569 BROADBAND, TRIPLE-PLAY AND ADVANCED MUL
6、TIMEDIA SERVICES Broadband multimedia services over VDSL H.610H.619 Advanced multimedia services and applications H.620H.629 Ubiquitous sensor network applications and Internet of Things H.640H.649 IPTV MULTIMEDIA SERVICES AND APPLICATIONS FOR IPTV General aspects H.700H.719 IPTV terminal devices H.
7、720H.729IPTV middleware H.730H.739 IPTV application event handling H.740H.749 IPTV metadata H.750H.759 IPTV multimedia application frameworks H.760H.769 IPTV service discovery up to consumption H.770H.779 Digital Signage H.780H.789 E-HEALTH MULTIMEDIA SERVICES AND APPLICATIONS Interoperability compl
8、iance testing of personal health systems (HRN, PAN, LAN and WAN) H.820H.849 Multimedia e-health data exchange services H.860H.869 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T H.722 (01/2014) i Recommendation ITU-T H.722 IPTV terminal device: Full-fledged model S
9、ummary Recommendation ITU-T H.722 describes the services and key features of the full-fledged Internet Protocol TV terminal device (IPTV TD) defined in Recommendation ITU-T H.720. In comparison with the IPTV TD-basic model defined in Recommendation ITU-T H.721, the full-fledged IPTV TD supports not
10、only such basic services as linear TV and video-on-demand (VoD), but also advanced services such as Internet, medical applications, communications, etc. Based on these services and key features, this Recommendation specifies the architecture of the full-fledged IPTV TD, functional components within
11、its architecture, software architecture for implementation reference and physical interfaces. History Edition Recommendation Approval Study Group Unique ID*1.0 ITU-T H.722 2014-01-13 16 11.1002/1000/12065-en _ *To access the Recommendation, type the URL http:/handle.itu.int/ in the address field of
12、your web browser, followed by the Recommendations unique ID. For example, http:/handle.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T H.722 (01/2014) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and co
13、mmunication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis.
14、 The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resoluti
15、on 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and
16、 a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are me
17、t. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possib
18、ility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Re
19、commendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementers are cautioned that this may not represent the latest informat
20、ion and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2014 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T H.722 (01/2014) iii Table of Contents
21、 Page 1 Scope 1 2 References. 1 3 Definitions 2 3.1 Terms defined elsewhere 2 3.2 Terms defined in this Recommendation . 3 4 Abbreviations and acronyms 3 5 Conventions 5 6 Overview 5 7 Services and key features of a full-fledged IPTV TD 6 7.1 Services of a full-fledged IPTV TD . 6 7.2 Features of fu
22、ll-fledged IPTV TD 13 8 Full-fledged IPTV TD functional architecture . 16 9 Functional components of IPTV full-fledged terminal device . 16 9.1 Terminal transport functions 16 9.2 Content delivery client functions 16 9.3 Media client functions 17 9.4 Service, content and application protection (SCAP
23、) client functions 17 9.5 Application client functions . 17 9.6 Control client functions 17 9.7 Performance monitory client functions 18 9.8 Audience measurement client functions . 18 9.9 Terminal device management . 18 10 Software architecture 18 10.1 Resource abstraction layer (RAL) 18 10.2 Servic
24、e logic adaptation layer 19 10.3 Presentation engine layer 19 10.4 User experience skin and customization 19 11 Physical interfaces 19 11.1 Input interface . 20 11.2 Output interface 21 11.3 External data access interface . 21 11.4 Network access interface 21 Bibliography. 22 Rec. ITU-T H.722 (01/20
25、14) 1 Recommendation ITU-T H.722 IPTV terminal device: Full-fledged model 1 Scope This Recommendation describes and specifies the functionalities of the IPTV terminal device (IPTV TD) for the IPTV full-fledged services defined in ITU-T H.720. This Recommendation is targeted at IPTV TDs that support
26、more than the basic services supported by the IPTV TD-basic model defined in ITU-T H.721. The basic services include receiving linear TV services and video-on-demand services, with additional data content (such as text) using a managed content delivery network. The IPTV TD full-fledged model support
27、s advanced services such as Internet services, medical applications, communication services, etc. The expected types of IPTV terminal devices are set-top boxes and digital TV sets with embedded IPTV capabilities. 2 References The following ITU-T Recommendations and other references contain provision
28、s which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; users of this Recommendation are therefore encouraged to investigate the possibility
29、 of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. The reference to a document within this Recommendation does not give it, as a stand-alone document, the status of a Recommendatio
30、n. ITU-T H.622.1 Recommendation ITU-T H.622.1 (2008), Architecture and functional requirements for home networks supporting IPTV services. ITU-T H.720 Recommendation ITU-T H.720 (2008), Overview of IPTV terminal devices and end systems. ITU-T H.721 Recommendation ITU-T H.721 (2009), IPTV terminal de
31、vices: Basic model. ITU-T H.730 Recommendation ITU-T H.730 (2012), Web-based terminal middleware for IPTV services. ITU-T H.741.0 Recommendation ITU-T H.741.0 (2012), IPTV application event handling: Overall aspects of audience measurement for IPTV services. ITU-T H.741.1 Recommendation ITU-T H. 741
32、.1 (2012), IPTV application event handling: Audience measurement operations for IPTV services. ITU-T H.741.2 Recommendation ITU-T H. 741.2 (2012), IPTV application event handling: Data structures of audience measurement for IPTV services. ITU-T H.741.3 Recommendation ITU-T H. 741.3 (2012), IPTV appl
33、ication event handling: Audience measurement for IPTV distributed content services. ITU-T H.741.4 Recommendation ITU-T H. 741.4 (2012), IPTV application event handling: Transport mechanisms for audience measurement. ITU-T H.750 Recommendation ITU-T H.750 (2008), High-level specification of metadata
34、for IPTV services. ITU-T H.760 Recommendation ITU-T H.760 (2009), Overview of multimedia application frameworks for IPTV services. 2 Rec. ITU-T H.722 (01/2014) ITU-T H.761 Recommendation ITU-T H.761 (2011), Nested context language (NCL) and Ginga-NCL. ITU-T H.762 Recommendation ITU-T H.762 (2011), L
35、ightweight interactive multimedia environment (LIME) for IPTV services. ITU-T H.763.1 Recommendation ITU-T H.763.1 (2010), Cascading style sheets for IPTV services. ITU-T H.764 Recommendation ITU-T H.764 (2012), IPTV services enhanced script language. ITU-T H.770 Recommendation ITU-T H.770 (2009), M
36、echanisms for service discovery and selection for IPTV services. ITU-T X.1191 Recommendation ITU-T X.1191 (2009), Functional requirements and architecture for IPTV security aspects. ITU-T Y.1901 Recommendation ITU-T Y.1901 (2009), Requirements for the support of IPTV services. ITU-R BT.2052 Recommen
37、dation ITU-R BT.2052 (2005), Protection of end-users privacy in interactive broadcasting systems. 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined elsewhere: 3.1.1 client personal video recorder (cPVR) ITU-T Y.1901: Same as PVR except that the recording
38、device is located at the end-users premises. 3.1.2 distributed PVR (dPVR) ITU-T H.720: Multiple instances of PVR, where a combination of cPVRs and nPVRs can be used to record and store video, audio, and other associated data for subsequent playback. For example, this usually occurs within a home net
39、work containing multiple cPVRs in order to distribute storage of video, audio, and other data. 3.1.3 end user ITU-T Y.1910: The actual user of the products or services. NOTE 1 The end user consumes the product or service. An end user can optionally be a subscriber. 3.1.4 Internet Protocol television
40、 (IPTV) ITU-T Y.1901: Multimedia services such as television/video/audio/text/graphics/data delivered over IP-based networks managed to support the required level of QoS/QoE, security, interactivity and reliability. 3.1.5 IPTV terminal device ITU-T Y.1901: A terminal device which has ITF functionali
41、ty, e.g., an STB. 3.1.6 IPTV terminal function (ITF) ITU-T Y.1901: The end user function(s) associated with a) receiving and responding to network control channel messages regarding session set-up, maintenance, and teardown, and b) receiving the content of an IP transport from the network and render
42、ing. 3.1.7 linear TV ITU-T Y.1901: A television service in which a continuous stream flows in real time from the service provider to the terminal device and where the user cannot control the temporal order in which contents are viewed. 3.1.8 middleware ITU-T Y.1901: A layer of software between appli
43、cations and resources, which consists of a set of service enablers that allow multiple functionalities running on one or more devices in an IPTV system to interact across a network. Rec. ITU-T H.722 (01/2014) 3 3.1.9 network personal video recorder (nPVR) ITU-T Y.1901: Same as PVR except that the re
44、cording device is located at the service provider premises. 3.1.10 personal video recorder (PVR) ITU-T Y.1901: An end-user controlled device that records, stores and plays back multimedia content. PVR is also known as personal digital recorder (PDR). 3.1.11 picture-in-picture (PIP) ITU-T Y.1901: One
45、 programme is displayed on the full-sized IPTV TD screen, one or more other programmes are simultaneously displayed in inset windows. 3.1.12 push VoD ITU-T Y.1901: A TV service where multimedia content is packaged and delivered at the discretion of the service provider to the end users storage syste
46、m. 3.1.13 service and content protection (SCP) ITU-T Y.1901: A combination of service protection and content protection. 3.1.14 terminal device (TD) ITU-T Y.1901: An end-user device which typically presents and/or processes the content, such as a personal computer, a computer peripheral, a mobile de
47、vice, a TV set, a monitor, a VoIP terminal or an audio-visual media player. 3.1.15 time shifting ITU-T Y.1901: A function which allows playback of content after its initial transmission. 3.1.16 trick mode functionality ITU-T Y.1901: The ability to pause, rewind or forward stored content. 3.1.17 TV w
48、ith trick mode ITU-T Y.1901: TV service with trick mode functionality. 3.2 Terms defined in this Recommendation This Recommendation defines the following terms: 3.2.1 full-fledged IPTV terminal device: A full-fledged IPTV terminal device (IPTV TD) has the capabilities to support advanced IPTV servic
49、es as well as the basic IPTV services. 3.2.2 full-screen display mode: In this mode, the whole display area of the display device is occupied by the output content of the IPTV terminal function (ITF) inside the full-fledged IPTV terminal device. The output content of other non-IPTV applications is not displayed in the display device of the full-screen display mode. The input devices are all operating instructions delivered to the IPTV
