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GB/T 40570-2021: Multimedia interaction over multiple terminals - Technical specification on multimedia interaction based on local network
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 40570-2021 | English | 339 |
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Multimedia interaction over multiple terminals - Technical specification on multimedia interaction based on local network
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GB/T 40570-2021
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Basic data | Standard ID | GB/T 40570-2021 (GB/T40570-2021) | | Description (Translated English) | Multimedia interaction over multiple terminals - Technical specification on multimedia interaction based on local network | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | M21 | | Word Count Estimation | 17,120 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40570-2021: Multimedia interaction over multiple terminals - Technical specification on multimedia interaction based on local network
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Multimedia interaction over multiple terminals - Technical specification on multimedia interaction based on local network
ICS 33.030
M21
National Standards of People's Republic of China
Multi-screen interaction between terminals based on local network
Interactive technical requirements
Released on 2021-10-11
2022-05-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms, definitions and abbreviations 1
3.1 Terms and definitions 1
3.2 Abbreviations 2
4 Overview 2
5 Infrastructure 2
5.1 Terminal interconnection structure 2
5.2 Terminal Function Role 3
6 Business Process 4
6.1 Basic process 4
6.2 Media sharing process 5
6.3 Play screen rejection process 6
6.4 Multi-screen remote control process 7
6.5 Content Split Screen Process 7
6.6 Message Push Process 8
7 Interface description 9
7.1 Interface overview 9
7.2 Status reporting interface 9
7.3 Device discovery interface 9
7.4 Encryption negotiation interface 10
7.5 Device description interface 11
7.6 Multi-screen interactive interface 12
Reference 14
Foreword
GB/T 40573 "Multi-screen interactive business scenarios and requirements", GB/T 40570 "Multi-screen interaction based on local network terminal interaction
"Technical Requirements" and GB/T 40572 "Multi-screen Interaction Technical Requirements for Terminal Interaction Based on Remote Networks" together constitute a multi-screen interactive system.
List national standards.
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This standard is under the jurisdiction of the National Communication Standardization Technical Committee (SAC/TC485).
Drafting organizations of this standard. China Telecom Group Co., Ltd., China Academy of Information and Communications Technology, ZTE Corporation, China United
Network Communications Group Co., Ltd.
The main drafters of this standard. Zhu Guqiao, Miao Chuanyang, Jiang Li, Wei Zheng, Zhang Zhengkai, Yang Kun, Song Hao.
Multi-screen interaction between terminals based on local network
Interactive technical requirements
1 Scope
This standard specifies the technical requirements for implementing multimedia multi-screen interactive services in a local network environment.
This standard is applicable to guide the development of multi-screen interactive applications.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 40573 Multi-screen interactive business scenarios and requirements
3 Terms, definitions and abbreviations
3.1 Terms and definitions
The following terms and definitions apply to this document.
3.1.1
Internet Protocol Television Internet Protocol Television; IPTV
Multimedia services (such as TV/video/audio/text/graphics/data) provided on the IP network are used to achieve the required QoS/QoE,
Security, interactivity and reliability.
3.1.2
Enduser
The actual user of the product or business.
3.1.3
IPTV service IPTVservice
Through the IP bearer network, provide users with a total of services such as live broadcast, on-demand and time-shifted broadcast of TV programs that can support interactive capabilities.
Said that users can get high-quality digital media services, can freely choose video programs, and realize the benefits of media providers and media consumers.
Substantial interaction.
3.1.4
IPTV service platform IPTVserviceplatform
Including business management system, portal navigation system, media delivery system, operation and maintenance support system, security management system and extended business system,
The set-top box completes IPTV content management and business management, authentication, billing, authentication and streaming media services through interaction with these systems
And other functions.
3.1.5
Mediashare
The media content stored by each terminal on its own device can be discovered and played by other terminal devices.
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