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GB/T 38548.3-2020 English PDF

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GB/T 38548.3-2020: Content resources digitization - Part 3: Processing specification
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 38548.3-2020	English	189	Add to Cart	3 days [Need to translate]	Content resources digitization - Part 3: Processing specification	Valid	GB/T 38548.3-2020

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Basic data

Standard ID	GB/T 38548.3-2020 (GB/T38548.3-2020)
Description (Translated English)	Content resources digitization - Part 3: Processing specification
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	L70
Classification of International Standard	35.240.70
Word Count Estimation	10,153
Date of Issue	2020-03-06
Date of Implementation	2020-10-01
Quoted Standard	GB/T 17975.7; GB/T 20090.13; GB/T 28059.2
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies specifications for digital processing of text, pictures, formulas, tables, audio and video content resources. This standard applies to the digital processing of content resources.

GB/T 38548.3-2020: Content resources digitization - Part 3: Processing specification

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Content resources digitization--Part 3. Processing specification ICS 35.240.70 L70 National Standards of People's Republic of China Digital processing of content resources Part 3. Processing specifications 2020-03-06 release 2020-10-01 implementation State Administration of Market Supervision Published by the National Standardization Administration

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Text processing 1 4.1 Text Processing Format 1 4.2 Text processing quality requirements 2 5 Picture Processing 2 5.1 Picture Processing Format 2 5.2 Picture processing quality requirements 2 5.3 Common Formats and Basic Technical Parameters of Picture Processing 2 6 Formula/Form Processing 3 6.1 Formula/Form Processing Format 3 6.2 Formula/Form Processing Quality Requirements 3 7 Audio processing 3 7.1 Audio Processing Format Selection Principles 3 7.2 Audio Processing Quality Requirements 3 7.3 Common Formats and Basic Technical Parameters of Audio Processing 3 8 Video processing 4 8.1 Video processing format selection principles 4 8.2 Video processing quality requirements 4 8.3 Common Formats and Basic Technical Parameters of Video Processing 4 Reference 5

Foreword

GB/T 38548 `` Digital Processing of Content Resources '' is divided into the following 6 parts. --- Part 1. Terminology; --- Part 2. Collection methods; --- Part 3. Processing specifications; --- Part 4. Metadata; --- Part 5. Quality Control; --- Part 6. Application mode. This part is the third part of GB/T 38548. This section is drafted in accordance with the rules given in GB/T 1.1-2009. This section is proposed by the National Press and Publication Administration. This section is under the jurisdiction of the National Press and Publication Information Standardization Technical Committee (SAC/TC553). Drafting organization of this section. Sino-Singapore Jinqiao Digital Technology (Beijing) Co., Ltd., Electronic Industry Press Co., Ltd., and the Ministry of Publicity Department Services Center (Information Center of the Central Propaganda Department), Tsinghua University, People's Health Electronic Audiovisual Publishing House Co., Ltd. The main drafters of this section. Zhao Haitao, Li Jianwei, Wang Desheng, Liu Chengyong, Liu Yong, Zhang Mo, Dou Tianfang, Zhao Chenyang, Shi Xiong, Huang Yanyun. Digital processing of content resources Part 3. Processing specifications

1 Scope

This part of GB/T 38548 specifies the digital processing specifications for text, pictures, formulas, tables, audio and video content resources. This section applies to digital processing of content resources.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 17975.7 Information technology. Universal coding of moving pictures and associated audio information. Part 7. Advanced Audio Coding (AAC) GB/T 20090.13 Information technology. Advanced audio and video coding. Part 13. Video toolset GB/T 28059.2 Interconnection technical specification for image information management system platform of highway network Part 2. Video format and encoding

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Lossless compression Remove or reduce redundant information in the data, but these redundant information can be re-inserted into the data. Lossless redundant compression is reversible process. [GB/T 31219.3-2014, definition 3.10] 3.2 Image resolution The amount of information stored in an image can be measured in various ways. Note. This section is measured in pixel DPI (DotsPerInch) per inch. [GB/T 38548.1-2020, definition 2.3]

4 Text processing

4.1 Text Processing Format Suggested format for text processing. a) Plain text content resources, the TXT file type should be used as the storage format; b) Structured text content resources should use the XML file type as the storage format and follow the XML 1.0 and above specifications; c) Fixed format content resources should be stored in PDF or CEBX file format. PDF files should follow PDF1.3 and above This specification;

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