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CYT169-2019: Specifications for content resource processing in press and publication - Part 12: Video processing
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Specifications for content resource processing in press and publication - Part 12: Video processing
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CY/T 169-2019
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Basic data | Standard ID | CY/T 169-2019 (CY/T169-2019) | | Description (Translated English) | Specifications for content resource processing in press and publication - Part 12: Video processing | | Sector / Industry | Press & Publication Industry Standard (Recommended) | | Classification of Chinese Standard | L70 | | Word Count Estimation | 22,257 | | Date of Issue | 2019-05-14 | | Date of Implementation | 2019-06-01 | | Regulation (derived from) | Industry Standard Recording Announcement No. 6 of 2019 (Total No. 234) | | Issuing agency(ies) | State Press and Publication Administration | CYT169-2019: Specifications for content resource processing in press and publication - Part 12: Video processing
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(Processing specifications for press and publication content resources-Part 12. Video processing)
ICS 35.240.30
L70
CY
PRC Press and Publication Industry Standards
Processing specifications for press and publication content resources
Part 12. Video Processing
Specifications for content resource processing in press and publication-
Part 12. Video processing
2019- 05-14 released
2019-06-01 implementation
Published by the National Press and Publication Administration
Contents
Foreword ... II
1 Scope ... 1
2 Normative references ... 1
3 Terms and definitions ... 1
4 Processing object ... 2
5 Processing specifications ... 2
5.1 Format selection principles ... 2
5.2 Long-term preservation level ... 2
5.3 Publishing Service Level ... 3
6 Metadata ... 3
6.1 Overview ... 3
6.2 Basic metadata of video resources ... 3
6.3 Fragment metadata ... 4
6.4 Subtitle metadata ... 5
6.5 Author metadata ... 5
6.6 Format metadata ... 6
6.7 Attachment metadata ... 6
6.8 Managing metadata ... 7
7 Naming and Storage ... 7
7.1 Naming rules ... 7
7.2 Storage ... 8
8 Processing process ... 8
8.1 Video resource processing ... 8
8.2 Pre-processing ... 8
8.3 Digital acquisition ... 10
8.4 Video post-processing ... 10
8.5 Basic requirements for metadata indexing ... 11
9 Quality Management ... 11
9.1 Video file quality ... 11
9.2 Metadata description quality ... 11
9.3 Save Quality Management ... 11
Appendix A (Normative Appendix) Sample XML Schema for Video Resource Metadata Indexing ... 12
Appendix B (informative) Sample XML resource indexing XML ... 16
References ... 19
Foreword
The series of Standards for the Processing of Press and Publication Content Resources includes the following 12 standards.
──CY/T 101.1-2014 News processing content resource processing specifications Part 1. Processing terminology;
──CY/T 101.2-2014 Specification for processing of news and publication content resources Part 2. Data processing and application mode;
──CY/T 101.3-2014 Press and Publication Content Resource Processing Specifications Part 3. Data Processing Specifications;
──CY/T 101.4-2014 Specification for processing resources of news and publication content Part 4. Data processing quality;
──CY/T 101.5-2014 Specifications for Processing Resources of Press and Publication Content Part 5. Data Management;
──CY/T 101.6-2014 Specification for processing of press and publication content resources Part 6. Data management;
──CY/T 101.7-2014 Specification for Processing Content Resources of News and Publications Part 7. Data Delivery;
──CY/T 101.8-2014 Specifications for Processing Resources of Press and Publication Content Part 8. Book Processing;
──CY/T 101.9-2014 Specifications for the processing of news and publication content resources Part 9. Newspaper processing;
──CY/T 101.10-2014 Specification for processing of press and publication content resources Part 10. Periodical processing;
──CY/T 168-2019 Specifications for Processing of Press and Publication Content Resources Part 11. Audio Processing;
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed and managed by the National Press and Publication Information Standardization Technical Committee (SAC/TC 553).
This standard was drafted. China-Singapore Jinqiao Digital Technology (Beijing) Co., Ltd.
Zhongke Huijin Digital Technology (Beijing) Co., Ltd., People's Medical Publishing House, Chemical Industry Press, China Textile Press.
The main drafters of this standard. Zhao Haitao, Zhou Changling, Liu Chengyong, Xiong Zhiyuan, Meng Xinchen, Wang Wenqian, Shi Xiong, Wen Qiang, Fan Junyi,
Zhao Jun, Li Xue, Shao Shilei, Liu Yong, Zhang Mo, Guo Jianwei, Li Fujian, Wang Zexiang, Xue Miao, Liu Jinglong, Zhu Honglin, Meng Haiguang, and Xun.
Processing specifications for press and publication content resources
Part 12. Video Processing
1 Scope
This standard specifies the processing objects, processing specifications, metadata, naming and storage, and processing processes for video content resources in the press and publishing industry.
And quality management.
This standard applies to digital processing and quality inspection of video resources in the press and publishing industry.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB 18030-2005 Information Technology Chinese Coded Character Set
CY/T 50-2008 publishing term
CY/T 101.1-2014 Press and publishing content resource processing specifications Part 1. Processing terminology
3 terms and definitions
The terms and definitions defined in CY/T 50-2008 and CY/T 101.1-2014 and the following terms apply to this document.
3.1
Digital video
Video material recorded with digital information.
[GB/T 31219.5-2016, definition 3.2]
3.2
Sampling frequency; Fs
The rate is defined in Hertz, and the number of samples taken from a continuous signal per second to form a discrete signal.
Note 1. GB/T 17975.7-2002 was modified to define 3.70.
Note 2. The higher the sampling frequency, the more accurate the sound waveform expression, and the smaller the digital sound distortion.
3.3
Fragment sequence
A segment of video or audio in a program or material that consists of more than one interconnected scene.
[GY/T 202.1-2004, definition 3.3]
4 Processing object
Press and publishing industry video content resources, including analog video resources recorded with electromagnetic signals and digital video recorded with digital signals
Resources.
5 Processing specifications
5.1 Format selection principles
The file storage used for various video resources should be used with high recognition, mature technology, and conform to international standards, national standards or
Industry standard data file format. All kinds of video resources should comply with the corresponding naming and storage rules.
5.2 Long-term preservation
The processing specifications of the video resource long-term preservation level are shown in Table 1.
Table 1 Long-term preservation grade processing specifications of video resources
Resource Type
subjective
quality
description
The main parameters
Resolution
Frame rate
(Frames/second)
Video rate
Audio rate
(Kb/s)
(Suggest)
Audio sampling
(Suggest)
Suggest
format
Native simulation /
Digital video
Volume, data light
8K 7680 * 4320 120 ＞ 100Mb/s 384
PCM coded
Body sound
/ AC-3/AAC
96kHz, 48kHz
AVS format
(H264)
MPEG Editor
AVI format
4K/2K
4096 * 2160
2048 * 1152
50/59.94 fixed bit rate 50Mb/s 384
Full height
1920 × 1080 25/30/50/59.94
Fixed bit rate of 50Mb/s or
25Mb/s variable bit rate
HD 1280 × 720 25/30 15Mb/s 384
SD 720 × 576 25/30
15Mb/s fixed bit rate or
Variable bit rate
quite
SVCD
480 × 576
480 × 480
29.97
2600kb/s 224
stereo
48kHz
quite
On VCD
352 × 288
352 × 240
23.976/29.97
1152kb/s 224
DVD DVD
720 × 576
720 × 480
29.97
< 10000kb/s 384
DOLBY AC3,
96kHz, 48kHz
MPEG-2
coding
SVCD SVCD 480 × 576 25
< 2750kb/s variable bit
rate
32 ～ 384
stereo
44.1kHz
MPEG-2
Encoding or
MPEG-1
coding
MPEG-2
VCD
VCD
352 × 288
352 × 240
23.976/29.97
1152kb/s 224
stereo
44.1kHz
MPEG-1
coding
5.3 Release Service Level
See Table 2 for processing specifications of video resource publishing service level.
Table 2 Service level processing specifications for video resource release
Resource level
The main parameters
Suitable scene video rate
(Kb/s)
Audio rate
(Kb/s)
(Suggest)
Frame rate
(Frames/second)
Audio sampling
(Suggest)
Suggested format
Publish service level
Advanced ＞ 5000 384 25/30/50/60 Stereo 48kHz
AVS format
(H264)
MPEG-4 encoding
WMV, FLV
Or RM
TV, movie
Intermediate 800 ～ 5000
128/192/224
/ 384
25/30
Stereo 48kHz
Stereo 48kHz
local area network,
ADSL (uplink
Highest rate
640kb/s, under
Highest line rate
8Mb/s)
Low 800 and below 64 25 Stereo 48kHz
ISDN,
64kb/s; dial
Internet access,
56kb/s
6 metadata
6.1 Overview
Video resource metadata includes basic metadata, clip metadata, subtitle metadata, author metadata, format metadata, attachment metadata
Data and management metadata. Metadata is stored in XML 1.0 and above format, in which characters should use GB 18030 character set and encoding method
Use UTF-8. Video resource metadata indexing XML Schema is shown in Appendix A, and video resource metadata indexing XML examples are shown in Appendix B.
6.2 Basic metadata of video resources
For basic metadata, refer to the relevant provisions of GB/T 25100-2010, see Table 3.
Table 3 Basic metadata of video resources
Serial number Chinese name English label mandatory repeatability remarks (corresponding to DC)
1 Video resource unique identifier \u003cIdentifier\u003e Required non-repeatable identifier (Identifier)
2 Chinese Standard Audiovisual Product Code \u003cISRC\u003e Must be repeated
3 Use standard number \u003cUseStandardNO\u003e If necessary, repeatable, such as GB/T 25100-2010
3 Source ID \u003cSID\u003e Must be repeated
4 ISBN \u003cISBN\u003e Must be repeated
\u003chtml\u003e 5 Title \u003cTitle\u003e Required repeatable title (Title) < / html>
Table 3 (continued)
Serial number Chinese name English label mandatory repeatability remarks (corresponding to DC)
6 Author \u003cCreator\u003e Essential Repeatable Creator
7 Other responsible persons \u003cContributor\u003e If necessary, repeat other contributors
8 topics \u003cSubject\u003e Have a repeatable subject
9 Description \u003cDescription\u003e Required repeatable description (Description)
10 Publication date \u003cDate\u003e Must have non-repeatable dates (Date)
11 publishers \u003cPublisher\u003e Required repeatable publisher (Publisher)
12 Format \u003cFormat\u003e Must have repeatable format (Format)
13 sources \u003cSource\u003e Must have a repeatable source (Source)
14 languages \u003cLanguage\u003e Must have repeatable language (Language)
15 Associations \u003cRelation\u003e There is a necessary repeatable relationship (Relation)
16 types \u003cType\u003e There is a required repeatable resource type (Type)
17 Coverage \u003cCoverage\u003e If necessary, repeatable coverage (Coverage)
18 rights \u003cRights\u003e Must have repeatable permissions (Rights)
19 Unit price \u003cPrice\u003e If necessary, repeatable
20 Chinese picture classification number \u003cCLCCode\u003e If necessary, repeatable
21 Series Titles \u003cSeriesTitle\u003e If necessary, repeatable
22 Diversity sequence number \u003cSeriesNumber\u003e If necessary, repeatable
23 Total diversity \u003cSeriesTotal\u003e Must be repeated
24 versions \u003cEdition\u003e Must be repeated
25 Dotted Items \u003cMark\u003e Optional repeatable
26 Dot Mark Item Order \u003cMarkNumber\u003e Optional repeatable
27 Subtitle unique identifier \u003cCaptionIdentifier\u003e If necessary, repeatable
6.3 Fragment metadata
The clip metadata contains information about video resource clips, as shown in Table 4.
Table 4 Fragment metadata
Serial number Chinese name English label mandatory repeatability remarks (corresponding to DC)
1 Video resource unique identifier \u003cIdentifier\u003e Must not be repeated
2 fragment unique identifier \u003cFragmentIdentifier\u003e Required non-repeatable identifier (Identifier)
3 Title \u003cFragmentTitle\u003e Required non-repeatable title (Title)
4 Titles in other languages \u003cTitleOtherLanguage\u003e Optional repeatable
5 Author \u003cFragmentCreator\u003e Optional Repeatable Creator
6 Keywords \u003cFragmentKeyWords\u003e Optional repeatable
7 Keywords \u003cFragmentSubject\u003e Optional repeatable subject
8 Description \u003cDescriptionContent\u003e Must be repeated
9 Shooting locations \u003cFragmentPlace\u003e Optional name of the location where this video resource clip can be repeated
Table 4 (continued)
Serial number Chinese name English label mandatory repeatability remarks (corresponding to DC)
10 Shooting methods \u003cCameraMotion\u003e Optional repeatable
The shooting techniques used when shooting this video resource
And methods
11 Scenic Spots \u003cSceneRange\u003e Scope of view represented by optional repeatable video resource screen content
12 shooting angle \u003cCameraAngle\u003e Optional repeatable
Describe the video resource screen when shooting
Sight relationship with the subject
13 shooting date \u003cFragmentDate\u003e Must be selected if not repeatable. The start and end time should be indicated.
14 real length \u003cDuration\u003e Optional non-repeatable
The actual time of the official effective content of the video resource lens
Interval length
15 Entry Points \u003cStartingPoint\u003e Optional non-repeatable
The starting point of the formal effective content of the video resource lens
time
16 Dot Mark Items \u003cMark\u003e Optional repeatable
17 Dot Mark Item Order \u003cMarkNumber\u003e Optional repeatable
18 Subtitle unique identifier \u003cCaptionIdentifier\u003e If necessary, repeatable
6.4 Subtitle metadata
The subtitle metadata contains subtitle-related information, see Table 5.
Table 5 Subtitle metadata
Serial Number Chinese Name English Label Mandatory Repeatability Notes
1 Subtitle unique identifier \u003cCaptionIdentifier\u003e Must not be repeated
2 Subtitle languages \u003cCaptionLanguage\u003e Must be repeated
3 Subtitle content \u003cCaptionText\u003e Must not be repeated
4 Subtitler \u003cCaptionAuthor\u003e Optional repeatable
5 Subtitling agencies \u003cCaptionOrganiztion\u003e Optional repeatable
6 Contact \u003cCaptionContact\u003e Optional repeatable
6.5 Author metadata
Author metadata contains author-related information, see Table 6.
Table 6 Author metadata
Serial Number Chinese Name English Label Mandatory Repeatability Notes
1 fragment unique identifier \u003cFragmentIdentifier\u003e Must not be repeated
2 Author order \u003cCreatorSN\u003e Optional non-repeatable
3 Author name \u003cCreatorName\u003e Must be repeatable
4 Other forms of name \u003cCreatorOtherName\u003e Optional repeatable
5 Affiliates \u003cCreatorOrganiztion\u003e Optional repeatable
Table 6 (continued)
Serial Number Chinese Name English Label Mandatory Repeatability Notes
6 Author address \u003cCreatorAddress\u003e Optional repeatable
7 Contact \u003cCreatorContact\u003e Optional repeatable
8 About the author \u003cCreatorBrief\u003e Optional repeatable
9 author photos \u003cCreatorPhoto\u003e Optional repeatable
6.6 Format metadata
The format metadata contains information about the format of the video resource, see Table 7.
Table 7 Format metadata
Serial Number Chinese Name English Label Mandatory Repeatability Notes
1 Video resource unique identifier \u003cIdentifier\u003e Must not be repeated
2 Duration \u003cDuration\u003e Optional non-repeatable
3 Original media \u003cOriginalMedia\u003e Optional non-repeatable
4 color types \u003cColor\u003e Optional non-repeatable
5 Picture quality \u003cVideoQuality\u003e Optional non-repeatable
6 Aspect ratio \u003cAspectRatio\u003e Optional non-repeatable
7 Video data bit rate \u003cVideoBitrate\u003e Optional non-repeatable
8 Video encoding format \u003cVideoCodingFormat\u003e Optional non-repeatable
9 Video sampling format \u003cVideoSamplingType\u003e Optional non-repeatable
10 audio sampling frequency \u003cSampFrequency\u003e Optional non-repeatable
11 Audio quantization accuracy \u003cQLevel\u003e Optional non-repeatable
12 channels \u003cChannels\u003e Optional non-repeatable
13 Audio bit rate \u003cBitRate\u003e Optional non-repeatable
14 Audio signal-to-noise ratio \u003cSNR\u003e Optional non-repeatable
15 file size \u003cSize\u003e Optional non-repeatable
16 file formats \u003cFileFormat\u003e Optional non-repeatable
6.7 Attachment metadata
The attachment metadata describes the attachment information of the video resource, see Table 8.
Table 8 Annex metadata
Serial Number Chinese Name English Label Mandatory Repeatability Notes
1 Video resource unique identifier \u003cIdentifier\u003e Must not be repeated
2 Sequence number \u003cSN\u003e Optional non-repeatable
3 Attachment types \u003cAttachmentType\u003e Optional repeatable
4 Brief description \u003cAttachmentBrief\u003e Optional repeatable
6.8 Managing Metadata
Management metadata records processing and production related information, see Table 9.
Table 9 Management metadata
Serial Number Chinese Name English Label Mandatory Repeatability Notes
1 Video resource unique identifier \u003cIdentifier\u003e Unique ID of a required non-repeatable resource
2 levels \u003cLevel\u003e Optional non-repeatable resource importance
3 processors \u003cProcessor\u003e Essential repeatable resource processing information
4 Processing date \u003cProcessDate\u003e Necessary non-repeatable resource processing time
5 Composition \u003cFiles\u003e Optional repeatable files
6 Storage \u003cFilesLoaction\u003e Optional repeatable resource location description
7 Naming and storage
7.1 Naming rules
The encoding of the video file name should include the project code, document code, structure code and resource level code, as shown in Figure 1.
XXXXXXXX-XXXXXXX-XXXXX-X/XX
Literature code
Structure code
Resource level
Project code
Figure 1 Video resource naming and coding
The detailed description of each part of the video resource naming coding is as follows.
a) Project code. The project code should be in the form of "project number project year".
b) Document code, which represents the number of the video resource processed in the year of the digitization project (the unique identifier of the video resource).
c) Structure code, structure code consists of structure code serial number.
1) The structure code is a single letter, which represents the structure information of the object data, see Table 10 for details;
2) The smallest unit of the object data expressed by the serial number after the structure encoding;
3) No connection symbol is required between the structure code and the serial number.
d) Resource level code. The resource level code represents the application level of the resource. One or two digit codes should be used, including.
1) The long-term storage level is indicated by the letter A.
2) The release service level is represented by the letter D.
Advanced. It is represented by the letter DH;
Intermediate. It is represented by the letter DM;
Low level. It is represented by the letter DL.
Table 10 Structure code table
Number structure coding description
1 A CD cover of video materials, screenshot cover of network resources, etc.
2 B video clips, etc.
3 C clip catalogue of video materials, etc.
4 T Video clips.
5 X video materials printed attachments, physical resources related explanations and research materials.
6 Y video footage recordings, etc.
7 Z Disc back cover for video materials, etc.
7.2 Storage
The project is an independent storage structure, and all documents are stored in it. The storage system is shown in Figure 2.
Project code
(folder)
Video resource
(folder)
Processed Product File
(folder)
Corresponding structure corresponding level
Other video files
Original video file
(folder)
annex
(folder)
Resource-level code
(folder)
Corresponding video file
Description document
Figure 2 Storage system
8 Processing process
8.1 Video resource processing
The processing of video content resources in the press and publishing industry includes video pre-processing, digital acquisition, video post-processing, metadata markup
Citation and data archiving.
8.2 Pre-processing
8.2.1 Pre-processing process
Video preprocessing processing flow chart, see Figure 3.
Native resource
Outbound registration
Resource inspection cleaning treatment
Physical repair
Analog playback device
Installation and commissioning
Eligibility
whether
Can be repaired
Return to library
(Pending)
Figure 3 Pre-processing process
8.2.2 Outbound Registration
Take out the resources to be processed from the warehouse, check whether the resource storage medium and its cover number are consistent, and register.
8.2.3 Resource check
Check the video resources to be processed to determine whether the resources are completely saved and whether physical repair is required to achieve digital processing.
8.2.4 Physical repair
Repair the damaged video resources. The repair principles are as follows.
a) Use resources that can be repaired by current mature technologies and repair as much as possible;
b) The current mature technology cannot be repaired, then keep it as it is, store it according to the storage requirements (environment, temperature, humidity) and wait for it to enter the warehouse.
Fix it when the future technology matures;
c) The original resource objects must not be damaged during the repair process.
8.2.5 Cleaning treatment
The cleaning process includes tape cleaning, disc cleaning, and vinyl cleaning.
a) Tape cleaning. Before cleaning, it is necessary to judge whether cleaning is required. Use medical cotton for cleaning.
b) The disc is clean. When the surface of the laser disc is stained, it can be moistened with a soft flannel moistened with water and wiped gently, and directly from the center of the disc
Wipe out
Note. Do not wipe along the lines; do not wipe with alcohol or other organic solvents; leave no residue after cleaning; do not damage the disc.
8.2.6 Installation and commissioning of analog playback equipment
For different video resource materials, the corresponding video resource equipment debugging should be completed, including all required recording equipment, professional wire, special
Commissioning of fixed instruments, etc.
8.3 Digital acquisition
8.3.1 Collection process
The digital acquisition process of video resources is shown in Figure 4.
Select hardware
Playback device
Video resource acquisition parameters set to implement monitoring metadata cataloging
Figure 4 Content collection process
8.3.2 Digital Acquisition and Processing Environment
The digital collection and processing environment should choose an independent space with moderate, quiet, consistent temperature and humidity throughout the year.
8.3.3 Digital acquisition equipment
The selection and connection of digital acquisition equipment mainly includes the following steps.
a) Select the player, including.
1) For different video resources, select the corresponding playback device for playback;
2) Select professional broadcasters with exquisite manufacturing process and high-level performance indicators (picture resolution, signal-to-noise ratio, distortion)
Put the device.
b) When selecting a video capture card, you should choose a video with a high sampling frequency,
Frequency capture card to ensure the authenticity of sound quality and picture quality.
c) Connected equipment, according to different processing sources and processing needs, select the corresponding connected equipment scheme.
8.3.4 Video capture content
The content to be collected should include the main video file, film clips, highlights, and subtitles.
For multi-language subtitles, all languages and subtitle files should be retained and packaged together with the video master file for storage.
8.4 Video post-processing
8.4.1 Video Editing
Use video editing software to process video files based on actual usage scenarios, including.
a) cutting image content;
b) image effect processing;
c) Add titles and trailers.
8.4.2 Compression conversion
Use special video editing software or video format conversion software to compress and convert long-term preservation-level video files according to usage requirements.
Publish service-level video files converted to WMV, FLV or RM formats.
8.4.3 Ancillary objects handling
Scanning and processing auxiliary objects related to video resources such as covers and text descriptions, and the acquired digital video objects and digital
Subsidiary objects, combined into complete resources, and linked through metadata.
8.5 Basic requirements for metadata indexing
At the metadata processing stage, description metadata and management metadata should be added for each digital video file.
a) Descriptive metadata, including.
1) For the digital object data of video resources, you can directly adopt and use the existing metadata records;
2) Metadata description personnel can create according to Chapter 6 Metadata Tags and combine actual needs;
3) The description metadata of long-term preservation video resources should be marked with the entire video file;
4) The description metadata for publishing service-level video resources shoul...
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