SMPTE RP 205-2014 Application of Unique Material Identifiers in Production and Broadcast Environments.pdf
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1、 Copyright 2014 by THE SOCIETY OF MOTION PICTURE AND TELEVISION ENGINEERS 3 Barker Avenue, White Plains, NY 10601 (914) 761-1100 Approved August 15, 2014 Table of Contents Page Foreword . 3 Intellectual Property 3 Introduction 3 1 Scope . 5 2 Conformance Notation . 5 3 Normative References . 5 4 UMI
2、D Application Principles . 6 4.1 Introduction 6 4.2 Principle 1 Definition . 6 4.3 Principle 2 UMID Creation 7 4.4 Principle 3 UMID Integrity . 7 4.5 Principle 4 UMID Identification 8 4.6 Principle 5 UMID Inheritance 8 4.7 Principle 6 Extended UMID . 8 4.8 Principle 7 Source Pack 9 5 UMID-Aware Appl
3、ication Considerations . 9 5.1 Introduction 9 5.2 UMID Managed Domain. 9 5.2.1 What is the UMID Managed Domain? 9 5.2.2 Material Manager Requirements. 10 5.3 UMID Material Number as a Dumb Number 11 5.4 UMID as a Wrapper for the Globally Unique Value . 12 5.5 UMID for Abstract Original Material . 12
4、 5.6 Identical Materials via UMID 13 5.7 UMID for Growing Material. 14 Annex A UMID Basics (Informative) 16 A.1 Introduction 16 A.2 UMID Format 16 Annex B To Maintain the UMID Managed Domain (Informative). 18 B.1 Introduction 18 Page 1 of 44 pages SMPTE RP 205:2014 Revision of SMPTE RP 205:2009 SMPT
5、E RECOMMENDED PRACTICE Application of Unique Material Identifiers in Production and Broadcast Environments SMPTE RP 205:2014 Page 2 of 44 pages B.2 Behaviors of Material Manager . 18 B.2.1 New material creation in the domain . 18 B.2.2 Existing material deletion in the domain . 18 B.2.3 Existing mat
6、erial copy or move within the domain 18 B.2.4 New material import into the domain 19 B.2.5 Existing material export from the domain 20 B.2.6 Existing material modification at its essence in the domain 20 B.2.7 Existing material modification at its metadata in the domain 20 B.2.8 Existing material ba
7、ckup and restore 21 B.2.9 Material managed by multiple material managers 21 Annex C UMID Application Examples (Informative) . 23 C.1 Introduction 23 C.2 UMID Application Basics . 23 C.2.1 Two distinct functions of UMID 23 C.2.2 Exclusive UMID functions 24 C.2.3 Overview of UMID treatments in a media
8、 production workflow chain . 24 C.3 Simultaneous Multiple Material Creations for Offline/Online Edits 26 C.4 UMID based Material Search 28 C.5 Cooperation of Multiple MAMS (Media Asset Management System) . 29 C.6 Common Material Identifier in a Best-of-Breed Media Production System . 30 C.7 Globally
9、 Distributed Material Management . 31 C.8 Additional Metadata Search for a Material at Hand. 32 C.9 Loose Coupling between Application and Media Layers 32 C.10 UMID Applications in Traditional VTR/SDI Environment . 34 C.10.1 Introduction 34 C.10.2 What is material in tradition VTR/SDI environment? .
10、 34 C.10.3 Two functions of UMID in traditional VTR/SDI environment 35 C.10.4 Extended UMID and Source Pack . 37 C.10.5 Source Pack applications 37 C.10.6 Limitation of UMID applications for traditional VTR/SDI environment . 39 Annex D Frequently Asked Questions (Informative) 41 Annex E Bibliography
11、 (Informative) 44 SMPTE RP 205:2014 Page 3 of 44 pages Foreword SMPTE (the Society of Motion Picture and Television Engineers) is an internationally-recognized standards developing organization. Headquartered and incorporated in the United States of America, SMPTE has members in over 80 countries on
12、 six continents. SMPTEs Engineering Documents, including Standards, Recommended Practices, and Engineering Guidelines, are prepared by SMPTEs Technology Committees. Participation in these Committees is open to all with a bona fide interest in their work. SMPTE cooperates closely with other standards
13、-developing organizations, including ISO, IEC and ITU. SMPTE Engineering Documents are drafted in accordance with the rules given in its Standards Operations Manual. SMPTE RP 205 was prepared by Technology Committee 30MR on Metadata and Registers. Intellectual Property SMPTE draws attention to the f
14、act that it is claimed that compliance with this Standard may involve the use of one or more patents or other intellectual property rights (collectively, “IPR“). The Society takes no position concerning the evidence, validity, or scope of this IPR. Each holder of claimed IPR has assured the Society
15、that it is willing to License all IPR it owns, and any third party IPR it has the right to sublicense, that is essential to the implementation of this Standard to those (Members and non-Members alike) desiring to implement this Standard under reasonable terms and conditions, demonstrably free of dis
16、crimination. Each holder of claimed IPR has filed a statement to such effect with SMPTE. Information may be obtained from the Director, Standards using the UMID as a common unique material identifier across a heterogeneous system, comprised of numerous media products from different vendors. However,
17、 in order to realize this, a universal rule set for UMID applications that provides a means by which the integrity of a UMID attached to a given material asset can be trusted, regardless of the products used to create the UMID and/or attach the UMID to the material asset, is required. Unfortunately,
18、 SMPTE ST 330 does not specify nor provide the set of rules required to facilitate the trust framework to guarantee the integrity of a UMID. Therefore additional regulations and rules must be defined to create this trust framework. In this Recommended Practice, the UMID Application Principles are sp
19、ecified as a set of rules applicable to all UMID applications, which establishes a trust framework for UMID usage. If a media product strictly adheres to the UMID Application Principles, the integrity of the UMIDs attached to material obtained from that product can be trusted, such applications and
20、products are known as “UMID-aware”. Since the means by which the UMID Application Principles are applied depend on the type of product and the type of recording medium used, the Principles are specified in terms of “What to Achieve” versus “How to Achieve Them”, and how they are achieved is left up
21、to the implementer of the product. Please refer to Annex B for a typical implementation example of the UMID Application Principles using a UMID as a globally unique material identifier. Furthermore, since SMPTE ST 330 allows UMIDs to be used for purposes other than globally unique material identity,
22、 rules for these additional purposes have been defined within the UMID Application Principles. In summary, the purpose of this Recommended Practice is to establish a common trust framework by which applications can utilize UMIDs in a consistent, unambiguous, and well-understood manner that allows fo
23、r the maintenance of the logical relationships between material assets, their metadata, and their instances. SMPTE RP 205:2014 Page 5 of 44 pages 1 Scope This Recommended Practice defines the UMID Application Principles that must constitute the basis of any UMID application, and recommends several p
24、oints on UMID use that must be carefully considered for each application. It also provides informative text on the UMID basics, how to implement the UMID Application Principles for a UMID as a globally unique material identifier, various UMID application examples, and frequently asked questions on t
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