Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 3: 3D audio — Amendment 1: MPEG-H, 3D audio profile and levels

Technologies de l'information — Codage à haute efficacité et livraison des medias dans des environnements hétérogènes — Partie 3: Audio 3D — Amendement 1: Niveaux et profil audio 3D MPEG-H

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INTERNATIONAL ISO/IEC
STANDARD 23008-3
First edition
2015-10-15
AMENDMENT 1
2016-08-01
Information technology — High
efficiency coding and media delivery
in heterogeneous environments —
Part 3:
3D audio
AMENDMENT 1: MPEG-H, 3D audio
profile and levels
Technologies de l’information — Codage à haute efficacité et livraison
des medias dans des environnements hétérogènes —
Partie 3: Audio 3D
AMENDEMENT 1: Niveaux et profil audio 3D MPEG-H
Reference number
ISO/IEC 23008-3:2015/Amd.1:2016(E)
©
ISO/IEC 2016

---------------------- Page: 1 ----------------------
ISO/IEC 23008-3:2015/Amd.1:2016(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may 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 ISO’s member body in the country of
the 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
copyright@iso.org
www.iso.org
ii © ISO/IEC 2016 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/IEC 23008-3:2015/Amd.1:2016(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
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 ISO documents should 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 shall not be held responsible 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 the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,
as well as information about ISO’s adherence to the World Trade Organization (WTO) principles in the
Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.
Amendment 1 to ISO/IEC 23008-3:2015 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

---------------------- Page: 3 ----------------------
ISO/IEC 23008-3:2015/Amd.1:2016(E)
Information technology — High efficiency coding and
media delivery in heterogeneous environments —
Part 3:
3D audio
AMENDMENT 1: MPEG-H, 3D audio profile and levels
Page 346
Add the following section after Clause 18.
19 MPEG-H 3D Audio Profile Definition
19.1 Profile: Main Profile
The Main Profile for MPEG-H 3D Audio contains all normative bitstream elements and normative
decoder tools defined in MPEG-H 3D Audio specification.
That means that the following tools will be included Main Profile decoders:
— MPEG-H 3D Audio Core Decoder
— HOA Rendering
— SAOC 3D Renderer
— Static object metadata (MAE) and rendering
— Dynamic object metadata (OAM) and rendering
— Generic Loudspeaker Rendering/Format Conversion
— Immersive Loudspeaker Rendering/Format Conversion
— Binaural Rendering Time Domain and/or Frequency Domain
— H2B Binaural Rendering
— Loudness Metadata
— DRC processing
© ISO 2016 – All rights reserved 1

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ISO/IEC 23008-3:2015/Amd.1:2016(E)

The following table specifies the levels of the Main Profile.
Mpegh3daProfile Applicable Max. Max. Max Max. PCU in Max. RCU
a
LevelIndication Notes number of sampling number of wMOPS
core rate of core loudspeaker
channels output
channels
1 8 48000 8 138
2 16 48000 16 265
3 1) 2) 3) 32 48000 24 448
4 1) 2) 3) 64 48000 24 830
5 1) 2) 3) 128 96000 64 3223
General restrictions for all levels:

 2 
N +1
()
 
—  HOA: The number of active predictions must not be larger than ceil (NumActivePred in
 
4
 
 
Table 127 Syntax of HOAPredictionInfo(DirSigChannelIds, NumOfDirSigs)). N is the HOA order. For the
de
...

DRAFT AMENDMENT
ISO/IEC 23008-3: DAM 1
ISO/IEC JTC 1/SC 29 Secretariat: JISC
Voting begins on: Voting terminates on:
2015-05-11 2015-08-11
Information technology — High efficiency coding and
media delivery in heterogeneous environments —
Part 3:
3D audio
AMENDMENT 1: MPEG-H, 3D Audio Profile and Levels
Technologies de l’information — Codage à haute efficacité et livraison des medias dans des
environnements hétérogènes
AMENDEMENT 1
ICS: 35.040
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/IEC 23008-3:2015/DAM 1:2015(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO/IEC 2015

---------------------- Page: 1 ----------------------
ISO/IEC 23008-3:2015/DAM 1:2015(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2015
All rights reserved. Unless otherwise specified, no part of this publication may 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 ISO’s 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 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO/IEC 2015 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/IEC 23008-3:201x/DAM 1
Foreword
ISO (the International Organization for Standardization) 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 deal 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 IEC have established a joint technical committee, ISO/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 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 identifying any or all such patent rights.
Amendment 1 to ISO/IEC 23008-3:201x 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 2015 – All rights reserved iii

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DRAFT AMENDMENT ISO/IEC 23008-3:201x/DAM 1

Information technology — High efficiency coding and media
delivery in heterogeneous environments — Part 3: 3D audio,
AMENDMENT 1: MPEG-H, 3D Audio Profiles and Levels
Add the following to Section
1 MPEG-H 3D Audio Profile Definition
1.1 Profile: Main Profile

The Main Profile for MPEG-H 3D Audio contains all normative bitstream elements and normative decoder
tools defined in MPEG-H 3D Audio DIS [1].
That means that the following tools will be included Main Profile decoders:

• MPEG-H 3D Audio Core Decoder
• HOA Rendering
• SAOC 3D Renderer
• Static object metadata (MAE) and rendering
• Dynamic object metadata (OAM) and rendering
• Generic Loudspeaker Rendering/Format Conversion
• Immersive Loudspeaker Rendering/Format Conversion
• Binaural Rendering Time Domain and/or Frequency Domain
• H2B Binaural Rendering
• Loudness Metadata
• DRC processing

The following table specifies the levels of the Main Profile.

Mpegh3daProfile Applicable Max. Max. Max number Max. PCU in Max. RCU
LevelIndication Notes number of sampling of wMOPS *)
core rate of loudspeaker
channels core output
channels
1 8 48000 8
138
2
16 48000 16
265
3 1) 2) 3) 32 48000 24
448
4 1) 2) 3) 64 48000 24
830
© ISO/IEC 2015 – All rights reserved 1

---------------------- Page: 4 ----------------------
ISO/IEC 23008-3:201x/DAM 1
5 1) 2) 3) 128 96000 64 3223

General restrictions for all levels:
• HOA: The number of active predictions must not be larger than (NumActivePred in Table 127
Syntax of HOAPredictionInfo(DirSigChannelIds, NumOfDirSigs)). N is the HOA order. For the definition of
global HOA parameters refer to Section 12.4.1.1.
• The HOA order must not be larger than 3 for Level 1, 4 for Level 2, 5 for Level 3, 6 for Level 4 and 7 for Level
5 (se
...

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