Search result: GB/T 34993-2017
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Technical requirements and measurement methods for ASI/DS3 adapter and de-adapter used in program distribution network
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GB/T 34993-2017
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| Standard ID | GB/T 34993-2017 (GB/T34993-2017) | | Description (Translated English) | Technical requirements and measurement methods for ASI/DS3 adapter and de-adapter used in program distribution network | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | M63 | | Classification of International Standard | 33.160 | | Word Count Estimation | 14,174 | | Date of Issue | 2017-11-01 | | Date of Implementation | 2018-02-01 | | Regulation (derived from) | National Standard Announcement 2017 No. 29 | | Issuing agency(ies) | People's Republic of China General Administration of Quality Supervision, Inspection and Quarantine, China National Standardization Administration |
GB/T 34993-2017
Technical requirements and measurement methods for ASI/DS3 adapter and de-adapter used in program distribution network
ICS 33.160
M63
National Standards of People's Republic of China
Program Distribution Network ASI/DS3 Adapter and Solution Adapter
Technical requirements and measurement methods
Posted.2017-11-01
2018-02-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Preface Ⅰ
1 range 1
2 Normative references 1
3 Terms and definitions 1
4 Abbreviations 2
5 General technical requirements 2
6 adapter technical requirements 3
7 solution adapter technical requirements 4
8 General technical requirements Measurement methods 5
9 adapter measurement method 7
10 solution adapter measurement method 9
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents.
This standard is proposed by the State Administration of Press, Publication and Broadcasting.
This standard by the National Radio and Television Television Standardization Technical Committee (SAC/TC239) centralized.
This standard was drafted by the State Press and Publication Administration of Radio and Television Planning Institute, China Cable Network Co., Ltd., Beijing Gehua
Cable Network Co., Ltd., Beijing Digital Video Technology Co., Ltd., Beijing Ring Road Network Digital Image Technology Co., Ltd.
Branch System (China) Network Technology Co., Ltd.
The main drafters of this standard. Wei Anming, Cui Junsheng, Dengxiang Dong, Dong Wenhui, Liu Jun, Dong Bo, Hao Xudong, Tan Yi Li, Zhang Jiansheng, Chen Lei,
Li Ha, Wang Jingxing.
Program Distribution Network ASI/DS3 Adapter and Solution Adapter
Technical requirements and measurement methods
1 Scope
This standard specifies the main technical requirements and measurement methods used to transport streaming ASI/DS3 adapter and solution adapter. for
Equivalent measurement methods that ensure the same measurement uncertainty can also be used. In case of dispute, this standard shall prevail.
This standard applies to program distribution network ASI/DS3 adapter and solution for the development, production, use, measurement and operation and maintenance.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 7611-2016 Digital network series bit rate electrical interface features
GB/T 17975.1-2010 Information technology - General coding of moving pictures and their accompanying audio signals - Part 1. System
Technical specification of MPEG-2 signal transmission in SDH network
GB/T 28434-2012 Terrestrial digital television broadcasting single frequency network adapter technical requirements and measurement methods
Digital Television Broadcasting Channel Coding and Modulation Specifications
RFC1321 MD5 information digest algorithm (TheMD5message-digestalgorithm)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
ASI packet transport format ASItransmissionformatwithdatapackets
A special character K28.5 is padded between TS packets, but a special character K28.5 is not padded between valid data in TS packets
format.
Note For the definition of the special character K28.5, refer to A4 in Appendix A of GY/T 170-2001.
3.2
ASI burst data transmission format ASItransmissionformatwithdatabursts
A transport format that fills the special character K28.5 between valid data in TS packets.
3.3
DS3 digitalsignallevel3T-carrier
A synchronous digital sequence interface at 44736 kbps.
3.4
Transport Stream; TS
A digital television transmission data structure, in the MPEG-2 system, using a packet-based approach, to have one or more independent
One or more digital video and audio streams of the base are multiplexed into one stream.
[GB/T 7400-2011, Definition 3.99]
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