1、Information technology Coding of audio-visual objects Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF)CAN/CSA-ISO/IEC 14496-20-09National Standard of Canada(ISO/IEC 14496-20:2008, IDT)NOT FOR RESALE.PUBLICATION NON DESTINE LA REVENTE.Legal Notice for
2、StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and interests to achieve consensus and develop a standard. Altho
3、ugh CSA administers the process and establishes rules to promote fairness in achieving consensus, it does not independently test, evaluate, or verify the content of standards.Disclaimer and exclusion of liabilityThis document is provided without any representations, warranties, or conditions of any
4、kind, express or implied, including, without limitation, implied warranties or conditions concerning this documents fitness for a particular purpose or use, its merchantability, or its non-infringement of any third partys intellectual property rights. CSA does not warrant the accuracy, completeness,
5、 or currency of any of the information published in this document. CSA makes no representations or warranties regarding this documents compliance with any applicable statute, rule, or regulation. IN NO EVENT SHALL CSA, ITS VOLUNTEERS, MEMBERS, SUBSIDIARIES, OR AFFILIATED COMPANIES, OR THEIR EMPLOYEE
6、S, DIRECTORS, OR OFFICERS, BE LIABLE FOR ANY DIRECT, INDIRECT, OR INCIDENTAL DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES, HOWSOEVER CAUSED, INCLUDING BUT NOT LIMITED TO SPECIAL OR CONSEQUENTIAL DAMAGES, LOST REVENUE, BUSINESS INTERRUPTION, LOST OR DAMAGED DATA, OR ANY OTHER COMMERCIAL OR ECONOMIC LOSS
7、, WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER THEORY OF LIABILITY, ARISING OUT OF OR RESULTING FROM ACCESS TO OR POSSESSION OR USE OF THIS DOCUMENT, EVEN IF CSA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES.In publishing and making thi
8、s document available, CSA is not undertaking to render professional or other services for or on behalf of any person or entity or to perform any duty owed by any person or entity to another person or entity. The information in this document is directed to those who have the appropriate degree of exp
9、erience to use and apply its contents, and CSA accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained in this document. CSA is a private not-for-profit company that publishes voluntary standards and related documents. CSA has no power
10、, nor does it undertake, to enforce compliance with the contents of the standards or other documents it publishes. Intellectual property rights and ownershipAs between CSA and the users of this document (whether it be in printed or electronic form), CSA is the owner, or the authorized licensee, of a
11、ll works contained herein that are protected by copyright, all trade-marks (except as otherwise noted to the contrary), and all inventions and trade secrets that may be contained in this document, whether or not such inventions and trade secrets are protected by patents and applications for patents.
12、 Without limitation, the unauthorized use, modification, copying, or disclosure of this document may violate laws that protect CSAs and/or others intellectual property and may give rise to a right in CSA and/or others to seek legal redress for such use, modification, copying, or disclosure. To the e
13、xtent permitted by licence or by law, CSA reserves all intellectual property rights in this document.Patent rightsAttention is drawn to the possibility that some of the elements of this standard may be the subject of patent rights. CSA shall not be held responsible for identifying any or all such pa
14、tent rights. Users of this standard are expressly advised that determination of the validity of any such patent rights is entirely their own responsibility.Authorized use of this documentThis document is being provided by CSA for informational and non-commercial use only. The user of this document i
15、s authorized to do only the following:If this document is in electronic form:.load this document onto a computer for the sole purpose of reviewing it;.search and browse this document; and.print this document if it is in PDF format. Limited copies of this document in print or paper form may be distri
16、buted only to persons who are authorized by CSA to have such copies, and only if this Legal Notice appears on each such copy.In addition, users may not and may not permit others to.alter this document in any way or remove this Legal Notice from the attached standard;.sell this document without autho
17、rization from CSA; or.make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make any copies of the contents hereof, and if you do make such copies, you are required to destroy them im
18、mediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.CSA Standards Update ServiceCAN/CSA-ISO/IEC 14496-20-09October 2009Title: Information technology Coding of audio-visual objects Part 20: Lightweight Application Scene Representation (LASeR) a
19、nd Simple Aggregation Format (SAF)Pagination: 179 pages (CSA/1CSA/5, ivii, and 167 text)To register for e-mail notification about any updates to this publicationgo to www.ShopCSA.caclick on E-mail Services under MY ACCOUNTclick on CSA Standards Update ServiceThe List ID that you will need to registe
20、r for updates to this publication is 2419923.If you require assistance, please e-mail techsupportcsa.ca or call 416-747-2233.Visit CSAs policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.The Canadian Standards Association (CSA),under whose auspices this
21、National Standard hasbeen produced, was chartered in 1919 andaccredited by the Standards Council of Canadato the National Standards system in 1973. It is anot-for-profit, nonstatutory, voluntary membershipassociation engaged in standards development andcertification activities.CSA standards reflect
22、a national consensus ofproducers and users including manufacturers,consumers, retailers, unions and professionalorganizations, and governmental agencies. Thestandards are used widely by industry and commerceand often adopted by municipal, provincial, andfederal governments in their regulations, part
23、icularlyin the fields of health, safety, building andconstruction, and the environment.Individuals, companies, and associations acrossCanada indicate their support for CSAs standardsdevelopment by volunteering their time and skillsto CSA Committee work and supporting theAssociations objectives throu
24、gh sustainingmemberships. The more than 7000 committeevolunteers and the 2000 sustaining membershipstogether form CSAs total membership from whichits Directors are chosen. Sustaining membershipsrepresent a major source of income for CSAsstandards development activities.The Association offers certifi
25、cation and testingservices in support of and as an extension to itsstandards development activities. To ensure theintegrity of its certification process, the Associationregularly and continually audits and inspects productsthat bear the CSA Mark.In addition to its head office and laboratorycomplex i
26、n Toronto, CSA has regional branch officesin major centres across Canada and inspection andtesting agencies in eight countries. Since 1919, theAssociation has developed the necessary expertise tomeet its corporate mission: CSA is an independentservice organization whose mission is to provide anopen
27、and effective forum for activities facilitating theexchange of goods and services through the use ofstandards, certification and related services to meetnational and international needs.For further information on CSA services, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississ
28、auga, Ontario, L4W 5N6CanadaThe Standards Council of Canada (SCC) is thecoordinating body of the National StandardsSystem, a coalition of independent, autonomousorganizations working towards the furtherdevelopment and improvement of voluntarystandardization in the national interest.The principal obj
29、ects of the SCC are to fosterand promote voluntary standardization as a meansof advancing the national economy, benefiting thehealth, safety, and welfare of the public, assistingand protecting the consumer, facilitating domesticand international trade, and furthering internationalcooperation in the
30、field of standards.A National Standard of Canada (NSC) is a standardprepared or reviewed by an accredited StandardsDevelopment Organization (SDO) and approvedby the SCC according to the requirements of CAN-P-2.Approval does not refer to the technical content of thestandard; this remains the continui
31、ng responsibility ofthe SDO. An NSC reflects a consensus of a number ofcapable individuals whose collective interests provide,to the greatest practicable extent, a balance ofrepresentation of general interests, producers,regulators, users (including consumers), and otherswith relevant interests, as
32、may be appropriate to thesubject in hand. It normally is a standard which iscapable of making a significant and timely contributionto the national interest.Those who have a need to apply standards areencouraged to use NSCs. These standards are subjectto periodic review. Users of NSCs are cautionedto
33、 obtain the latest edition from the SDO whichpublishes the standard.The responsibility for approving standards asNational Standards of Canada rests with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary application of this Standard
34、is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationCette norme est offerte en anglais seulement pour le moment. La CSA publiera la version enfranai
35、s ds quelle sera produite par lorganisme rdacteur.Reviewed byNational Standard of CanadaPublished in October 2009 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online
36、 Store at www.ShopCSA.caApproved byStandards Council of CanadaCAN/CSA-ISO/IEC 14496-20-09Information technology Coding of audio-visual objects Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF)Prepared by International Organization for Standardization/
37、International Electrotechnical CommissionCAN/CSA-ISO/IEC 14496-20-09Information technology Coding of audio-visual objects Part 20: Lightweight Application Scene Representation(LASeR) and Simple Aggregation Format (SAF)CSA/4 Canadian Standards Association October 2009CAN/CSA-ISO/IEC 14496-20-09Inform
38、ation technology Coding of audio-visual objects Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF)CSA PrefaceStandards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical
39、 Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committ
40、ee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).This Standard supersedes CAN/CSA-ISO/IEC 14496-20-07 (adoption of ISO/IEC 14496-20:2006). At the time of publication, I
41、SO/IEC 14496-20:2008 is available from ISO and IEC in English only. CSA will publish the French version when it becomes available from ISO and IEC.This International Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed
42、acceptable for use in Canada. From time to time, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for approval and publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. This Standard
43、 has been formally approved, without modification, by the Technical Committee and has been approved as a National Standard of Canada by the Standards Council of Canada.October 2009 Canadian Standards Association 2009All rights reserved. No part of this publication may be reproduced in any form whats
44、oever without the prior permission of the publisher. ISO/IEC material is reprinted with permission. Where the words “this International Standard” appear in the text, they should be interpreted as “this National Standard of Canada”.Inquiries regarding this National Standard of Canada should be addres
45、sed toCanadian Standards Association5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4000www.csa.caTo purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca or call toll-free 1-800-463-6727 or 416-747-4044.CAN/CSA-ISO/IEC 14
46、496-20-09Information technology Coding of audio-visual objects Part 20: Lightweight Application Scene Representation(LASeR) and Simple Aggregation Format (SAF)October 2009 Canadian Standards Association CSA/5CSA Standards are subject to periodic review, and suggestions for their improvement will be
47、referred to the appropriate committee. To submit a proposal for change to CSA Standards, please send the following information to inquiriescsa.ca and include “Proposal for change” in the subject line:(a) Standard designation (number);(b) relevant clause, table, and/or figure number;(c) wording of th
48、e proposed change; and(d) rationale for the change.Reference numberISO/IEC 14496-20:2008(E)ISO/IEC 2008INTERNATIONAL STANDARD ISO/IEC14496-20Second edition2008-12-01Information technology Coding of audio-visual objects Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregat
49、ion Format (SAF) Technologies de linformation Codage des objets audiovisuels Partie 20: Reprsentation de scne dapplication allge (LASeR) et format dagrgation simple (SAF) ISO/IEC 14496-20:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the re
