SMPTE RP 428-4-2010 D-Cinema Distribution Master Audio File Format and Delivery Constraints《数字电影发行母版 音频文件格式和传送约束》.pdf
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1、 Copyright 2010 by THE SOCIETY OF MOTION PICTURE AND TELEVISION ENGINEERS 3 Barker Avenue., White Plains, NY 10601 (914) 761-1100 Approved March 31, 2010 Table of Contents Page Foreword 2 Intellectual Property . 2 Introduction 2 1 Scope 3 2 Conformance Notation 3 3 Normative References 3 4 Acronyms
2、and Terminology 4 4.1 Acronyms 4 4.2 Terminology 4 5 DCDM Audio Essence Constraints. 7 5.1 Audio Charqcteristics Constraints 7 5.2 Terminology 8 6 DCDM Audio Information Required . 12 6.1 DCDM Composition Audio Information 12 6.2 DCDM Post-Production Reel Information . 12 6.3 DCDM Audio Track Inform
3、ation 13 7 DCDM Audio Insert Information Optional 13 Annex A Audio File Naming Examples (Informative) 14 Page 1 of 14 pages SMPTE RP 428-4:2010 SMPTE RECOMMENDED PRACTICE D-Cinema Distribution Master Audio File Format and Delivery Constraints SMPTE RP 428-4:2010 Page 2 of 14 pages Foreword SMPTE (th
4、e 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 six continents. SMPTEs Engineering Documents, including Standards, Recom
5、mended 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-developing organizations, including ISO, IEC and ITU. SMPTE Engineering
6、Documents are drafted in accordance with the rules given in Part XIII of its Administrative Practices. SMPTE RP 428-4 was prepared by Technology Committee 21DC. Intellectual Property At the time of publication no notice had been received by SMPTE claiming patent rights essential to the implementatio
7、n of this Recommended Practice. However, attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. SMPTE shall not be held responsible for identifying any or all such patent rights. Introduction This recommended practice is intended to cons
8、train the audio that is delivered as a Digital Cinema Distribution Master (DCDM) in order to facilitate the process of creating a D-Cinema Package (DCP). By following the guidelines in this document, the audio DCDM will be interchangeable between facilities and will reliably sync with the intended p
9、icture essence. This document is intended to work in conjunction with the existing SMPTE 428-2 DCDM Audio Characteristics and SMPTE 428-3 DCDM Audio Channel Mapping and Channel Labeling documents, utilizing the specifications already established therein and embellishing upon them with further detail
10、 and constraints. It brings into alignment traditional film terminology and techniques with todays digital technology and processes. SMPTE RP 428-4:2010 Page 3 of 14 pages 1 Scope This document specifies constraints on the technical parameters, file structure, file naming and other relevant informat
11、ion pertaining to audio essence delivered from final post-production as a Digital Cinema Distribution Master. 2 Conformance Notation Normative text is text that describes elements of the design that are indispensable or contains the conformance language keywords: “shall“, “should“, or “may“. Informa
12、tive text is text that is potentially helpful to the user, but not indispensable, and can be removed, changed, or added editorially without affecting interoperability. Informative text does not contain any conformance keywords. All text in this document is, by default, normative, except: the Introdu
13、ction, any section explicitly labeled as “Informative“ or individual paragraphs that start with “Note: The keywords “shall“ and “shall not“ indicate requirements strictly to be followed in order to conform to the document and from which no deviation is permitted. The keywords, “should“ and “should n
14、ot“ indicate that, among several possibilities, one is recommended as particularly suitable, without mentioning or excluding others; or that a certain course of action is preferred but not necessarily required; or that (in the negative form) a certain possibility or course of action is deprecated bu
15、t not prohibited. The keywords “may“ and “need not“ indicate courses of action permissible within the limits of the document. The keyword reserved indicates a provision that is not defined at this time, shall not be used, and may be defined in the future. The keyword forbidden indicates reserved and
16、 in addition indicates that the provision will never be defined in the future. A conformant implementation according to this document is one that includes all mandatory provisions (“shall“) and, if implemented, all recommended provisions (“should“) as described. A conformant implementation need not
17、implement optional provisions (“may“) and need not implement them as described. Unless otherwise specified, the order of precedence of the types of normative information in this document shall be as follows: Normative prose shall be the authoritative definition; Tables shall be next; followed by for
18、mal languages; then figures; and then any other language forms. 3 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this recommended practice. At the time of publication, the editions indicated were valid. All standards ar
19、e subject to revision, and parties to agreements based on this recommended practice are encouraged to investigate the possibility of applying the most recent edition of the standards indicated below. SMPTE 428-2-2006, D-Cinema Distribution Master Audio Characteristics SMPTE 428-3-2006, D-Cinema Dist
20、ribution Master Audio Channel Mapping and Channel Labeling SMPTE 429-2-2009, D-Cinema Packaging DCP Operational Constraints SMPTE 429-7-2006, D-Cinema Packaging Composition Playlist SMPTE RP 428-4:2010 Page 4 of 14 pages ITU-R BR.1352-1: 2002, Broadcast Wave Format (BWF), Annex 1 ISO/IEC 646:1991, I
21、nformation Technology ISO 7-Bit Coded Character Set for Information Interchange ISO 639-2/T:1998, Codes for the Representation of Names of Languages Part 2: Alpha-3 Code, First Edition 4 Acronyms and Terminology 4.1 Acronyms DCDM: Digital Cinema Distribution Master DCP: Digital Cinema Package FFOA:
22、First Frame Of Action (See definition in Section 4.2) LFOA: Last Frame Of Action (See definition in Section 4.2) 4.2 Terminology Audio Content and Type: A description of the audio that is contained in the essence. This is used to associate a given file with other files in the Soundfield Configuratio
23、n group, or to differentiate a file containing other content that may be delivered at the same time to packaging. This may be comprised of an Audio Type descriptor and/or an Audio Content descriptor, which are defined below. In typical use, the two are combined to describe a unique audio element. Ex
24、amples include Dialog Stem, Visually Impaired Narration, Hearing Impaired Time Code, Directors Commentary Narration. Audio Content: This is an optional modifier to Audio Type that can be included to further describe the audio if needed. Examples are Dialog, Music, Effects, Narration, Directors Comme
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