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    ISO IEC 23003-2 AMD 5-2016 Information technology - MPEG audio technologies - Part 2 Spatial Audio Object Coding (SAOC) - Amendment 5 SAOC Reference Software《信息.pdf

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    ISO IEC 23003-2 AMD 5-2016 Information technology - MPEG audio technologies - Part 2 Spatial Audio Object Coding (SAOC) - Amendment 5 SAOC Reference Software《信息.pdf

    1、Information technology MPEG audio technologies Part 2: Spatial Audio Object Coding (SAOC) AMENDMENT 5: SAOC Reference Software Technologies de linformation Technologies audio MPEG Partie 2: Codage dobjet audio spatial (SAOC) AMENDEMENT 5: Logiciel de rfrence SAOC INTERNATIONAL STANDARD ISO/IEC 23003

    2、-2 First edition 2010-10-01 Reference number ISO/IEC 23003-2:2010/Amd.5:2016(E) AMENDMENT 5 2016-11-01 ISO/IEC 2016 ii ISO/IEC 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may

    3、 be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the

    4、requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO/IEC 23003-2:2010/Amd.5:2016(E) ISO/IEC 23003-2:2010/Amd.5:2016(E) Foreword ISO (the International Organization for Standardizati

    5、on) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to d

    6、eal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and

    7、IEC have established a joint technical committee, ISO/IEC JTC 1. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of document shoul

    8、d be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible

    9、 for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for t

    10、he convenience of users and does not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformit y assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (

    11、TBT) see the following URL: www.iso.org/iso/foreword.html. Amendment 5 to ISO/IEC 23003-2:2010 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. ISO/IEC 2016 All rights reserved iii In

    12、formation technology MPEG audio technologies Part 2: Spatial Audio Object Coding (SAOC) AMENDMENT 5: SAOC Reference Software Page 1, Clause 11 Replace Clause 11 with the following. 11 Reference software 11.1 Reference software structure 11.1.1 General This clause contains simulation software for SAO

    13、C as defined in Clause 1 to Clause 9 and Annex A to Annex G. This software has been derived from verification models used in the process of developing the standard. Reference software is normative in the sense that it correctly implements the SAOC transcoding/decoding processes described in this doc

    14、ument. Complying implementations indicated in this document are not expected to follow the algorithms or the programming techniques used by the reference software. Although the decoding software is considered normative, it cannot add anything to the textual technical description of SAOC included in

    15、this document. The software contained in this clause and in Annex H is divided into three categories. a) Bitstream decoding software is catalogued in 11.2. This software accepts bitstreams encoded according to the normative specification given in this document and decodes the streams into the audio

    16、signals associated with each bitstream. While this software appears in the normative part of this specification, attention is drawn to the fact that the implementation techniques used in this software are not considered normative (several different implementations could produce the same result) but

    17、the software is considered normative in that it correctly implements the SAOC decoding processes described in this document. b) Bitstream encoding software is catalogued in Annex H. This software creates bitstreams from associated audio signals. The encoders are provided as a means to obtain bitstre

    18、ams with the normative syntax described in this document. The techniques used for encoding are not specified by this document, and the quality and complexity of these encoders has not been optimized. c) Utility software is catalogued in Annex H. This software was found useful by the developers of th

    19、e standard, but may not conform to the normative specifications given in this document. File locations in the source tree given in this document are expressed relative to the location of the corresponding reference software package attached to this document. 11.1.2 Copyright disclaimer for software

    20、modules Each source code module in this document contains a copyright disclaimer which shall not be removed from the source code module. The generic version of this disclaimer is provided below. ISO/IEC 23003-2:2010/Amd.5:2016(E) ISO 2016 All rights reserved 1 ISO/IEC 23003-2:2010/Amd.5:2016(E) Soft

    21、ware copyright licensing disclaimer for MPEG standards This software module was originally developed by () and edited by (), (), in the course of development of the for reference purposes and its performance may not have been optimized. This software module is an implementation of one or more tools

    22、as specified by the . ISO/IEC gives You a royalty-free, worldwide, non-exclusive, copyright license to copy, distribute, and make derivative works of this software module or modifications thereof for use in imple- mentations of the in products that satisfy conformance criteria (if any). Those intend

    23、ing to use this software module in products are advised that its use may infringe existing patents. ISO/IEC has no liability for use of this software module or modifications thereof. Copyright is not released for products that do not conform to audiovisual and image-coding related ITU Recommendation

    24、s and/or ISO/IEC International Standards. Assurance that the originally developed software module can be used (1) in the once the has been adopted; and (2) to develop the :grants ISO/IEC all rights necessary to include the originally developed software module or modifications thereof in the and to p

    25、ermit ISO/IEC to offer You a royalty-free, worldwide, non-exclusive, copyright license to copy, distribute, and make derivative works for use in implementations of the in products that satisfy conformance criteria (if any), and to the extent that such originally developed software module or portions

    26、 of it are included in the . To the extent that owns patent rights that would be required to make, use, or sell the originally developed software module or portions thereof included in the in a conforming product, will assure the ISO/IEC that it is willing to negotiate licenses under rea- sonable an

    27、d non-discriminatory terms and conditions with applicants throughout the world. ISO/IEC gives You a free license to this software module or modifications thereof for the sole purpose of developing the retains full right to modify and use the code for its own purpose, assign or donate the code to a t

    28、hird party and to inhibit third parties from using the code for products that do not conform to MPEG-related ITU Recommendations and/or ISO/IEC International Standards. This copyright notice should be included in all copies or derivative works. Copyright ISO/IEC 200_. NB1 In the text, should be repl

    29、aced with the appropriate International Standard, e.g. ISO/IEC 14496-1. NB2 = First Name, = Last name, = Company Name NB3 Sentences in italic not required in statement when the original developer does not wish to be identified NB4 Sentences in bold not required in statement when the original develop

    30、er allows unrestricted use of this software. NB5 Sentences underlined should be removed when the is published. NB6 Reference to “ITU Recommendation” may be omitted when the module is deemed not to be rele- vant for ITU Recommendations. 11.2 Bitstream decoding software 11.2.1 General The provided bit

    31、stream decoding software is a normative reference implementation of the respective specification.2 ISO 2016 All rights reserved ISO/IEC 23003-2:2010/Amd.5:2016(E) 11.2.2 SAOC decoding software Location Content saoc2mps SAOC transcoder/decoder mcu SAOC MCU combiner mp4spatialdec LD-MPS decoder Page 1

    32、29 Add the following Annex H. Annex H (informative) Reference software H.1 Bitstream encoding software H.1.1 General For the bitstream encoding software provided here, attention is called to the fact that these encoders are provided for the purpose of creating bitstreams with normative syntax. The p

    33、erformance of these encoders should not be taken as indicative of that which can be obtained from implementations where quality and computational optimization are given priority. The techniques used for encoding are not specified by this document. H.1.2 MPEG SAOC encoding software Location Content s

    34、aocenc SAOC encoder mp4spatialenc LD-MPS encoder H.2 Additional utility software H.2.1 General Software that appears in this annex has proven to be useful to the developers of the standard but is not a normative reference implementation. H.2.2 MPEG SAOC utility software Location Content conf_saoc To

    35、ols for SAOC conformance H.3 Providers of reference software The following organizations have contributed software: Dolby Sweden AB; Fraunhofer Institute for Integrated Circuits IIS; Royal Philips Electronics N.V. ISO 2016 All rights reserved 3 ISO/IEC 23003-2:2010/Amd.5:2016(E) ISO/IEC 2016 All rights reserved ICS 35.040 Price based on 3 pages


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