Private Draft Document. Not for Publication Interoperable Master Format (IMF) Specification April 8, 2010 Version 0.7r DRAFT Copyright 2009, 2010 by Entertainment Technology Center 509 West 29th Street Los Angeles, California 90007 United States of America 213-743-1600 www.etcenter.org 1 Private Draft Document. Not for Publication NOTICE The Entertainment Technology Center (ETC) is the author and creator of this specification for the purpose of copyright and other laws in all countries throughout the world. The ETC copyright notice must be included in all reproductions, whether in whole or in part, and may not be deleted or attributed to others. ETC hereby grants to its members and their suppliers a limited license to reproduce this specification for their own use, provided it is not sold. Others should obtain permission to reproduce this specification from Entertainment Technology Center; Attn: CEO and Executive Director; 509 West 29th Street, Los Angeles, California 90007; USA; (213) 743-1600 (voice); (213) 743-1803 facsimile. This document is a specification developed and adopted by ETC. This document may be revised by ETC. It is intended solely as a guide for companies interested in developing products, which can be compatible with other products, developed using this document. Each ETC Member Company shall decide independently the extent to which it will utilize, or require adherence to, these specifications. ETC shall not be liable for any exemplary, incidental, proximate or consequential damages or expenses arising from the use of this document. This document defines only one approach to compatibility, and other approaches may be available to the industry. This document is an authorized and approved publication of ETC. Only ETC has the right and authority to revise or change the material contained in this document, and any revisions by any party other than ETC are unauthorized and prohibited. Compliance with this document may require use of one or more features covered by proprietary rights (such as features which are the subject of a patent, patent application, copyright, mask work right or trade secret right). By publication of this document, no position is taken by ETC with respect to the validity or infringement of any patent or other proprietary right. ETC hereby expressly disclaims any liability for infringement of intellectual property rights of others by virtue of the use of this document. ETC has not and does not investigate any notices or allegations of infringement prompted by publication of any ETC document, nor does ETC undertake a duty to advise users or potential users of ETC documents of such notices or allegations. ETC hereby expressly advises all users or potential users of this document to investigate and analyze any potential infringement situation, seek the advice of intellectual property counsel, and, if indicated, obtain a license under any applicable intellectual property right or take the necessary steps to avoid infringement of any intellectual property right. ETC expressly disclaims any intent to promote infringement of any intellectual property right by virtue of the evolution, adoption, or publication of this document. 2 Private Draft Document. Not for Publication Revision History Date Revision Description Contributors 02/9/09 v0.1 Initial draft Howard Lukk 02/13/09 V0.2 1st Rev, Name Change, revise framework chapter IMF Tech Committee, H. Lukk order and headings. Spell check and general clean up 3/13/09 V0.3 Chapter 10 change to Asset Management, Chapter 5 IMF Tech Committee, H. Lukk change to requirements instead of standard, Document clean up, Chapter 1 review and update, new Annex 6/16/09 V0.41 Update Chapter 1 along with formatting, Complete IMF Tech Committee, H. Lukk re-write of Chapter 2, re label chapters, re structure framework of document 8/4/09 V0.42 Update Figures, Add Table of Tables, Update IMF Tech Committee, H. Lukk Chapter 2., Remove “Clip” from document, Update Chapter 7 to reflect Chapter 2., Updated Glossary 11/6/09 V0.5 Update Chapter 2 and 7. Minor updates throughout IMF Tech Committee, H. Lukk document to remove Dynamic Downmixing and Audio Transitions. Inserted new Chapter 8 for Output Profile List 12/16/09 V0.5d Updates to Chapter 3 (audio draft for essence B. Vessa, A. Chang, H. Lukk and chapter + general notes), 7 (Composition), 8 (Output N. Goodkin Profile List), 9 (Packaging), and the addition of Chapter 10 (Annex), plus spelling and other minor corrections. 12/22/09 V0.6a Changes agreed during the Dec 18 document review, S. Levenson, N. Goodkin recorded by Seth Levenson during the meeting. Composition Play List (CPL) example added as Chapter 12. Moved comments out of the body and into comments. Made all "TBD" text red. Added styles for DCI Normal 1, 2 and 3 corresponding to text under paragraphs DCI Heading 1, 2, and 3. Formatted all tables to have similar headings and fonts. 12/24/09 V0.6b Changed Table Captions to "automatically N. Goodkin generated," thus automatically numbered. Changed Table of Tables to an Inserted Reference Table instead of a table generated by styles. Added box borders to all figures. 12/27/09 V0.6c Moved Image Metadata Data Elements table and text N. Goodkin from 3.2.1.1 to 3.2.3.1. Moved SL12 text to Chapter 13, Annex - Ideal Implementation Inserted a reference to the Essence Chapter, according to BV15. Replaced all references to "Audio Configuration" with "Soundfield Configuration" Rewrote the Audio section using headings and 3 Private Draft Document. Not for Publication Date Revision Description Contributors bullets, and using 'shall' and 'may.' Changed all instances of "is required to" to "shall." Minor grammatical and sentence structure changes. 01/11/10 V0.6d Updated the figure numbers and deleted the dynamic down-mixing section. 01/13/10 V0.6d-HL Section 2, System Overview figures 5, 6 H Lukk replacement. Section 3, Essence: Changes to wording, insertions, deletions and formatting. Addition of comments. Section 4, Data Essence: Comments, formatting and updated paragraph references. Section 5, Dynamic Metadata: Comments, deletions and formatting. Section 6, Wrapping: Comment, formatting, figure replacement. Section 7, The Composition: formatting, figure 12, 14 replacement. 1/13/10 V0.6e-HL Accepted HL's formatting changes and updated N Goodkin automatic table numbering and table of tables. 1/19/10 V0.6f Comments and changes captured from the group B Vessa, S Levenson, N Goodkin review on 1-15-2010. Accepted all changes except where accompanied by a comment. Added BV's Audio Structural Metadata table, including comments. 1/20/10 V0.6g Corrected internal Word error. N Goodkin 1/26/10 V0.7a Changes from 1/15 meeting, plus DG’s comments, S Levenson, N Goodkin changed captions on figures to automatically number and made all references links to the figures. Moved 3.4.2.4 to Metadata Scrubbed Chapter 4 to get rid of cut & paste errors & use consistent styles. TBD: Move Audio Section – chapter 7 from Audio Essence – HL will work with Seth off-line. 2/02/10 V0.7b Section 7.11.4.1 changes B Baggelaar 2/04/10 V0.7c Changed reference for Broadcast Wave to B Vessa Recommendation ITU-R BR.1352-3 (2007). Added comments in red under the "samples per frame" table in 3.4.1.5. 4 Private Draft Document. Not for Publication 2/04/10 V0.7d Added working document from the OPL group: A Ramamurthy overview and XML examples 2/05/10 V0.7e Stereoscopic additions for Composition, Metadata, A Chang Dynamic Metadata and OPL 2/05/10 V0.7f Remainder of Stereoscopic additions from A Chang S Levenson 2/05/10 V0.7g Miscellaneous edits to clean up the doc and N Goodkin complete changes initiated during the Tech Committee conference call today. 2/19/10 V0.7h Miscellaneous edits N Goodkin 3/02/10 V0.7i Changes made during the 2/26/10 conference call. S Levenson, N Goodkin Took out Bit-Depth, kept Quality Layers, updated fractional samples per frame, incorporated & redistributed B Vessa's comments. Saved as a Word document, type .doc. 3/08/10 V0.7j “Fractional samples only allow audio editorial N Goodkin granularity of once very five frames.” Updated the CPL section to address this as well (7.4.4) Ref: 3.3.1.6 Updated the description of stereoscopic tracks. 3/09/10 V0.7k Changes made during the Tech Meeting: Accepted S Levenson changes to Stereoscopic Content, removed Bit Depth, changed the note about JPEG 2000 supporting IMF requirements, and updated 3.3.2.2 to refer to DPX (SMPTE 268-2005). 3/18/10 V0.7m 2.2.2.5 IMF replaces DSM in the text B Vessa 2.2.2.8 ...encapsulating the essence AND data into well understood...... 3.3.2.1 pulled the text regarding the exact codec out of the end of 3.3.2.1.1 (was bulleted), and put it into a separate sub section, 3.3.2.1.2, "Image Compression Codecs". 3.3.3.1 Fixed reference to "table 3". 3.4.1.4 added text for the fractional frame rates in the table that references SMPTE 382M. 3.4.1.4 Pulled out the audio group text into a comment. 3.4.1.12.1 Added comment to discuss moving to the CPL section 3.4.2 In the table, changed a word in the example for Audio Content: "Hearing Impaired" to "Visually Impaired" 5.3.6 Added comment that this needs rewording 5.5.4 Added comment 5.6.4 Added comment 5 Private Draft Document. Not for Publication 6.6 Added comment regarding sample rate 6.9.8.5 Added comment regarding fractional frame rates 6.9.8.6 Added comment regarding 382M encoding.