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GB/T 39274-2020 English PDF

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US$449.00 · In stock
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GB/T 39274-2020: Test specifications for video and audio encoding and decoding in video surveillance system for public security
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39274-2020	449	Add to Cart	5 days	Test specifications for video and audio encoding and decoding in video surveillance system for public security	Valid

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Basic data

Standard ID: GB/T 39274-2020 (GB/T39274-2020)
Description (Translated English): Test specifications for video and audio encoding and decoding in video surveillance system for public security
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A91
Classification of International Standard: 13.310
Word Count Estimation: 24,25
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Quoted Standard: GB/T 2828.1-2012; GB/T 25724-2017; GB/T 28181-2016
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the test items, test sources, test procedures, test criteria, and test reports of video encoders, video decoders, audio encoders, and audio decoders in the public safety video surveillance digital video and audio codec technology. This standard applies to the technical testing and quality evaluation of platforms, equipment or software in public safety video image information network sharing applications that meet the requirements of GB/T 25724-2017.

GB/T 39274-2020: Test specifications for video and audio encoding and decoding in video surveillance system for public security

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test specifications for video and audio encoding and decoding in video surveillance system for public security ICS 13.310 A91 National Standards of People's Republic of China Public security video surveillance digital video and audio codec Technical test specification 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms, definitions and abbreviations 1 3.1 Terms and definitions 1 3.2 Abbreviations 1 4 General 2 4.1 Bitstream encapsulation format of the tested product 2 4.2 Test tool 2 5 Video encoder 2 5.1 Test Item 2 5.2 Test source 2 5.3 Test process 2 5.4 Test criteria 3 5.5 Test report 4 6 Video decoder 4 6.1 Test Item 4 6.2 Test process 5 6.3 Test criteria 6 6.4 Test bitstream 7 6.5 Test report 10 7 Audio encoder 10 7.1 Test Item 10 7.2 Test source 11 7.3 Test process 11 7.4 Test criteria 12 7.5 Test report 13 8 Audio decoder 13 8.1 Test Item 13 8.2 Test source 14 8.3 Test process 14 8.4 Test criteria 14 8.5 Test report 16 Appendix A (informative appendix) Test of encoding chip 17 A.1 Video encoding chip test criteria 17 A.2 Video encoding chip test process 17 A.3 Coded image quality test 17 Appendix B (informative appendix) Video evaluation and detection method based on SSIM algorithm 19 B.1 Basic Principles of SSIM Algorithm 19 B.2 System Test Process 19

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Standardization Technical Committee for Security and Alarm System (SAC/TC100). Drafting organizations of this standard. National Engineering Laboratory for Intelligent Analysis and Sharing of Video Image Information, First Research Institute of the Ministry of Public Security, Home Security Alarm System Product Quality Supervision and Inspection Center (Beijing), Beijing Zhongdun Security Technology Development Company, Beijing Zhongxing Microelectronics Co., Ltd. Company, Hangzhou Hengsheng Digital Equipment Technology Co., Ltd., Beijing Xinbo Electronic Technology Co., Ltd., Suzhou Keda Technology Co., Ltd., Zhejiang Dahua Technology Co., Ltd., Zhejiang Yushi Technology Co., Ltd., Hangzhou Hikvision Digital Technology Co., Ltd. The main drafters of this standard. Chen Chaowu, Yan Xue, Wang Lei, Shi Juling, Lu Yuhua, Qiu Song, Yu Zilong, Lu Jinghui, Liang Minxue, Liu Na, Lin Dong, Zhi Chen, Jiao Dandan, Lu Yang, Liu Qi, Yin Ping, Huang Qilin, Lu Juan, Wu Shenyi, Wu Xiaoyang. Public security video surveillance digital video and audio codec Technical test specification

1 Scope

This standard specifies the video encoder, video decoder, audio encoder, Audio decoder test items, test sources, test procedures, test criteria, and test reports. This standard is applicable to the platform, equipment or software in the application of public safety video image information network sharing in accordance with GB/T 25724-2017 Required technical testing and quality evaluation.

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 document. For undated references, the latest version (including all amendments) applies to this document. GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 25724-2017 Public Security Video Surveillance Digital Video and Audio Codec Technical Requirements GB/T 28181-2016 Technical requirements for information transmission, exchange and control of public security video surveillance networked systems 3 Terms, definitions and abbreviations 3.1 Terms and definitions The following terms and definitions defined in GB/T 25724-2017 apply to this document. 3.1.1 Video and audio source data Input the video and audio raw stream data of the encoder. 3.1.2 Encoded bitstream Video stream data or audio stream data encoded by an encoder. 3.1.3 Test bitstream The PS stream is formed by encapsulating the coded bit stream conforming to GB/T 25724-2017 according to the encapsulation format specified in Appendix C of GB/T 28181-2016. 3.1.4 BD-Rate curve An objective evaluation index for image quality. 3.2 Abbreviations GB/T 25724-2017 and the following abbreviations apply to this document. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39274-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39274-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39274-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39274-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.