ISO IEC 14496-26 AMD 2-2010 Information technology - Coding of audio-visual objects - Part 26 Audio conformance - Amendment 2 BSAC conformance for broadcasting《.pdf

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1、 Reference number ISO/IEC 14496-26:2010/Amd.2:2010(E) ISO/IEC 2010INTERNATIONAL STANDARD ISO/IEC 14496-26 First edition 2010-05-01 AMENDMENT 2 2010-10-01 Information technology Coding of audio-visual objects Part 26: Audio conformance AMENDMENT 2: BSAC conformance for broadcasting Technologies de li

2、nformation Codage des objets audiovisuels Partie 26: Conformit audio AMENDEMENT 2: Conformit BSAC pour diffusion gnrale ISO/IEC 14496-26:2010/Amd.2:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but

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5、by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized i

6、n any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 2

7、2 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2010 All rights reservedISO/IEC 14496-26:2010/Amd.2:2010(E) ISO/IEC 2010 All rights reserved iiiForeword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commis

8、sion) 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 deal with particular fields of technical activity. ISO

9、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 IEC have established a joint technical committee, ISO/

10、IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national

11、 bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. 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 for i

12、dentifying any or all such patent rights. Amendment 2 to ISO/IEC 14496-26:2010 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. This Amendment is to provide additional BSAC conformanc

13、e bitstreams to assist implementation of Terrestrial-DMB products. ISO/IEC 14496-26:2010/Amd.2:2010(E) ISO/IEC 2010 All rights reserved 1Information technology Coding of audio-visual objects Part 26: Audio conformance AMENDMENT 2: BSAC conformance for broadcasting Page 51, 7.6.2.3, Table 26 Add Tabl

14、e 26.A after “Table 26 ER BSAC Object Type with SBR tool” as follows: Table 26.A ER BSAC Object Type for T-DMB File base name Content Base Layer Bitrate (kbit/s) Top Bitrate (kbit/s) Top Layer (n) Number of ES Number of channel Intensity MS TNS PNS epConfig SBA Highest Layer Test procedure er_bs24_e

15、p0 music 16 64 48 1 1 Yes 0 No 48 none er_bs25_ep0 noise 16 64 48 1 1 Yes Yes 0 No 48 none er_bs26_ep0 sine sweep 32 128 48 1 2 0 No 48 RMS er_bs27_ep0 sine sweep 32 128 48 1 2 Yes Yes 0 No 48 RMS er_bs28_ep0 music 32 128 48 1 2 0 No 48 none er_bs29_ep0 noise 32 128 48 1 2 Yes 0 No 48 PNS-1 er_bs30_

16、ep0 noise 32 128 48 1 2 Yes 0 No 48 PNS-2/3 er_bs31_ep0 music 32 128 48 1 2 Yes 0 No 48 none er_bs32_ep0 music 32 128 48 1 2 Yes 0 No 48 none er_bs33_ep0 noise 32 128 48 1 2 Yes Yes 0 No 48 PNS-1 er_bs34_ep0 noise 32 128 48 1 2 Yes Yes 0 No 48 PNS-2/3 er_bs35_ep0 music 32 128 48 1 2 Yes 0 No 48 none

17、 ISO/IEC 14496-26:2010/Amd.2:2010(E) 2 ISO/IEC 2010 All rights reservedTable 26.A (continued) File base name Content Base Layer Bitrate (kbit/s) Top Bitrate (kbit/s) Top Layer (n) Number of ES Number of channel Intensity MS TNS PNS epConfig SBA Highest Layer Test procedure er_bs36_ep0 music 32 128 4

18、8 1 2 Yes Yes 0 No 48 none er_bs37_ep0 noise 32 128 48 1 2 Yes Yes 0 No 48 none er_bs38_ep0 music 32 128 48 1 2 Yes Yes 0 No 48 none er_bs39_ep0 music 32 128 48 1 2 Yes Yes 0 No 48 none er_bs40_ep0 noise 32 128 48 1 2 Yes Yes Yes 0 No 48 none er_bs41_ep0 music 32 128 48 1 2 Yes Yes Yes 0 No 48 none

19、er_bs42_ep0 music 32 128 48 1 2 Yes 0 No 48 none er_bs43_ep0 noise 32 128 48 1 2 Yes Yes 0 No 48 none er_bs44_ep0 music 32 128 48 1 2 Yes Yes 0 No 48 none er_bs45_ep0 music 32 128 48 1 2 Yes Yes 0 No 48 none er_bs46_ep0 noise 32 128 48 1 2 Yes Yes Yes 0 No 48 none er_bs47_ep0 music 32 128 48 1 2 Yes Yes Yes 0 No 48 none er_bs48_ep0 music 32 128 48 1 2 Yes Yes Yes Yes 0 No 48 none Where the covered sampling rates are 24, 44.1 and 48 kHz. ISO/IEC 14496-26:2010/Amd.2:2010(E) ICS 35.040 Price based on 2 pages ISO/IEC 2010 All rights reserved