Digital audio interface - Part 3: Consumer applications

IEC 60958-3:2021 is available as IEC 60958-3:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60958-3:2021 specifies the consumer application of the interface for the inter-connection of digital audio equipment defined in IEC 60958-1. IEC 60958-3:2021 cancels and replaces the third edition published in 2006, Amendment 1:2009 and Amendment 2:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) The relevant part of IEC 60958-5 is supported.

Interface audionumérique - Partie 3: Applications grand public

IEC 60958-3:2021 est disponible sous forme de IEC 60958-3:2021 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 60958-3:2021 spécifie l'application grand public de l'interface pour l'interconnexion des appareils audionumériques définie dans l'IEC 60958-1.
L'IEC 60958-3:2021 annule et remplace la troisième édition parue en 2006, l'Amendement 1:2009 et l'Amendement 2:2015. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) la partie pertinente de l'IEC 60958-5 est prise en compte.

General Information

Status
Published
Publication Date
01-Sep-2021
Current Stage
PPUB - Publication issued
Completion Date
02-Sep-2021
Ref Project

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IEC 60958-3
Edition 4.0 2021-09
INTERNATIONAL
STANDARD
Digital audio interface –
Part 3: Consumer applications
IEC 60958-3:2021-09(en)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2021 IEC, Geneva, Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form

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copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or

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IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
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About the IEC

The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes

International Standards for all electrical, electronic and related technologies.
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---------------------- Page: 2 ----------------------
IEC 60958-3
Edition 4.0 2021-09
INTERNATIONAL
STANDARD
Digital audio interface –
Part 3: Consumer applications
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.160.01 ISBN 978-2-8322-1017-1

Warning! Make sure that you obtained this publication from an authorized distributor.

® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 3 ----------------------
– 2 – IEC 60958-3:2021 © IEC 2021
CONTENTS

FOREWORD ......................................................................................................................... 7

1 Scope ............................................................................................................................ 9

2 Normative references..................................................................................................... 9

3 Terms and definitions .................................................................................................... 9

4 Interface format ............................................................................................................. 9

5 Channel status .............................................................................................................. 9

5.1 General ................................................................................................................. 9

5.2 Application .......................................................................................................... 10

5.2.1 Channel status general format ...................................................................... 10

5.2.2 Mode 0 channel status format for digital audio equipment for consumer

use .............................................................................................................. 13

5.3 Copyright management guidelines for consumer application of the digital

audio interface .................................................................................................... 18

5.3.1 General ....................................................................................................... 18

5.3.2 Category code groups .................................................................................. 19

6 User data .................................................................................................................... 22

6.1 General ............................................................................................................... 22

6.2 Application .......................................................................................................... 22

6.2.1 User data bitstream ...................................................................................... 22

6.2.2 User data message structure ........................................................................ 22

6.2.3 Equipment classification ............................................................................... 23

6.2.4 User data message length and contents ....................................................... 24

6.3 Information for synchronization ............................................................................ 26

6.3.1 General ....................................................................................................... 26

6.3.2 SMPTE time code information ...................................................................... 26

6.3.3 Latency information ...................................................................................... 27

6.3.4 Loudness information ................................................................................... 28

Annex A (normative) Application of the digital audio interface in the compact disc

digital audio system ............................................................................................................ 30

A.1 Overview............................................................................................................. 30

A.2 General: application-specific details..................................................................... 30

A.3 Channel status: application-specific details .......................................................... 30

A.4 User data: application-specific details .................................................................. 30

Annex B (normative) Application of the digital interface in the 2-channel PCM

encoder/decoder ................................................................................................................. 32

B.1 Overview............................................................................................................. 32

B.2 General: application-specific details..................................................................... 32

B.3 Channel status: application-specific details .......................................................... 32

B.4 User data: application-specific details .................................................................. 32

Annex C (normative) Application of the digital interface in the 2-channel digital audio

tape recorder in the consumer mode ................................................................................... 33

C.1 Overview............................................................................................................. 33

C.2 General: application-specific details..................................................................... 33

C.3 Channel status: application-specific details .......................................................... 33

C.4 User data: application-specific details .................................................................. 34

Annex D (normative) Application of the digital interface in laser optical digital audio

systems for which no other category code is defined ........................................................... 37

---------------------- Page: 4 ----------------------
IEC 60958-3:2021 © IEC 2021 – 3 –

D.1 Overview............................................................................................................. 37

D.2 General: application-specific details..................................................................... 37

D.3 Channel status: application-specific details .......................................................... 37

D.4 User data: application-specific details .................................................................. 37

Annex E (normative) Application of the digital interface in a digital audio mixer in the

consumer mode .................................................................................................................. 38

E.1 Overview............................................................................................................. 38

E.2 General: application-specific details..................................................................... 38

E.3 Channel status: application-specific details .......................................................... 38

E.4 User data: application specific details .................................................................. 38

Annex F (normative) Application of the digital interface with a sampling rate converter

in the consumer mode ......................................................................................................... 39

F.1 Overview............................................................................................................. 39

F.2 General: application-specific details..................................................................... 39

F.3 Channel status: application-specific details .......................................................... 39

F.4 User data: application-specific details .................................................................. 39

Annex G (normative) Application of the digital interface with a digital sound sampler

in the consumer mode ......................................................................................................... 40

G.1 Overview............................................................................................................. 40

G.2 General: application-specific details..................................................................... 40

G.3 Channel status: application-specific details .......................................................... 40

G.4 User data: application specific details .................................................................. 40

Annex H (normative) Application of the digital interface in a digital broadcast receiver

(Japan) in the consumer mode ............................................................................................ 41

H.1 Overview............................................................................................................. 41

H.2 General: application-specific details..................................................................... 41

H.3 Channel status: application-specific details .......................................................... 41

H.4 User data: application-specific details .................................................................. 41

Annex I (normative) Application of the digital interface in a digital broadcast receiver

(Europe) in the consumer mode .......................................................................................... 42

I.1 Overview............................................................................................................. 42

I.2 General: application-specific details..................................................................... 42

I.3 Channel status: application-specific details .......................................................... 42

I.4 User data: application-specific details .................................................................. 42

Annex J (normative) Application of the digital interface in a digital broadcast receiver

(USA) in the consumer mode .............................................................................................. 43

J.1 Overview............................................................................................................. 43

J.2 General: application-specific details..................................................................... 43

J.3 Channel status: application-specific details .......................................................... 43

J.4 User data: application-specific details .................................................................. 43

Annex K (normative) Application of the digital interface for electronic software

delivery in the consumer mode ............................................................................................ 44

K.1 Overview............................................................................................................. 44

K.2 General: application-specific details..................................................................... 44

K.3 Channel status: application-specific details .......................................................... 44

K.4 User data: application-specific details .................................................................. 44

Annex L (normative) Application of the digital interface in the digital compact cassette

system in the consumer mode ............................................................................................. 45

L.1 Overview............................................................................................................. 45

L.2 General: application-specific details..................................................................... 45

---------------------- Page: 5 ----------------------
– 4 – IEC 60958-3:2021 © IEC 2021

L.3 Channel status: application-specific details .......................................................... 45

L.4 User data: application-specific details .................................................................. 45

L.4.1 General ....................................................................................................... 45

L.4.2 Marker mode ................................................................................................ 45

L.4.3 Extended mode ............................................................................................ 46

Annex M (normative) Application of the digital interface in the mini-disc system in the

consumer mode .................................................................................................................. 50

M.1 Overview............................................................................................................. 50

M.2 General: application-specific details..................................................................... 50

M.3 Channel status: application-specific details .......................................................... 50

M.4 User data: application-specific details .................................................................. 50

Annex N (normative) Application of the digital interface in a digital sound processor in

the consumer mode ............................................................................................................ 51

N.1 Overview............................................................................................................. 51

N.2 General: application-specific details..................................................................... 51

N.3 Channel status: application-specific details .......................................................... 51

N.4 User data: application-specific details .................................................................. 51

Annex O (normative) Application of the digital interface in the digital versatile disc

system (DVD) in the consumer mode ................................................................................... 52

O.1 Overview............................................................................................................. 52

O.2 General: application-specific details..................................................................... 52

O.3 Channel status: application-specific details .......................................................... 52

O.4 User data: application-specific details .................................................................. 52

Annex P (informative) Use of original sampling frequency, sampling frequency and

clock accuracy .................................................................................................................... 53

Annex Q (normative) Application of the digital interface in magnetic disc digital audio

systems in the consumer mode ........................................................................................... 55

Q.1 Overview............................................................................................................. 55

Q.2 General: application-specific details..................................................................... 55

Q.3 Channel status: application-specific details .......................................................... 55

Q.4 User data: application-specific details .................................................................. 55

Annex R (normative) Explanations of category code implementation ................................... 56

R.1 Multi-media player ............................................................................................... 56

R.2 Home-recorded medium player ............................................................................ 56

R.3 Monitoring output from a recorder ........................................................................ 57

R.3.1 Real-time monitoring (direct monitoring) ....................................................... 57

R.3.2 Monitoring after recording ............................................................................ 57

R.4 Integrated products ............................................................................................. 58

R.5 Implementation rule of category code groups for digital/digital converter and

signal-processing products .................................................................................. 58

R.5.1 Discrete product worked as a digital/digital converter or a signal
......................... 58

processing unit ...................................................................

R.5.2 Integrated product including a digital/digital converter or a signal

processing unit ............................................................................................ 58

R.6 Magnetic disc recorder unit inside an integrated product ...................................... 59

R.7 Category code assignment .................................................................................. 59

R.7.1 No category code in a corresponding category code group ............................ 59

R.7.2 No category code group for a corresponding product .................................... 59

R.8 Other assignment of integrated products .............................................................. 60

---------------------- Page: 6 ----------------------
IEC 60958-3:2021 © IEC 2021 – 5 –

Annex S (informative) Application of the digital audio interface for synchronization of

audio, video and multi-media equipment .............................................................................. 61

S.1 General ............................................................................................................... 61

S.2 Lip-sync system model ........................................................................................ 61

S.3 How to compensate lip-sync ................................................................................ 61

S.3.1 General ....................................................................................................... 61

S.3.2 Detection methods ....................................................................................... 62

S.4 Use of time code ................................................................................................. 63

S.5 Use of latency information ................................................................................... 64

S.6 Example of latency parameter transmission method with TL ............................... 64

S.6.1 An example for solving lip-sync problems ..................................................... 64

S.6.2 Another example for solving lip-sync problems.............................................. 65

Annex T (normative) MPEG Surround over PCM ................................................................. 66

T.1 Format of MPEG Surround buried data frames ..................................................... 66

T.2 MPEG Surround detection ................................................................................... 66

Bibliography ....................................................................................................................... 67

Figure 1 – Example of message structure using information units ........................................ 23

Figure 2 – First UI contents ................................................................................................. 24

Figure 3 – Second UI contents ............................................................................................ 24

Figure 4 – Third UI contents ................................................................................................ 25

Figure 5 – User information ................................................................................................. 25

Figure 6 – SMPTE time code information ............................................................................. 26

Figure 7 – LTC information alignment .................................................................................. 26

Figure 8 – VITC information alignment ................................................................................ 27

Figure 9 – Latency information ............................................................................................ 27

Figure 10 – Latency information alignment .......................................................................... 28

Figure 11 – Loudness information ....................................................................................... 28

Figure 12 – Loudness information alignment ........................................................................ 29

Figure C.1 – Example of different combinations of start-ID and shortening-ID ....................... 36

Figure L.1 – Marker mode ................................................................................................... 45

Figure L.2 – Extended mode ............................................................................................... 46

Figure P.1 – Player and interface model .............................................................................. 53

Figure R.1 – Multi-media player .......................................................................................... 56

Figure R.2 – Home-recorded medium player ........................................................................ 57

Figure R.3 – Direct monitoring............................................................................................. 57

Figure R.4 – Monitoring after recording ............................................................................... 57

Figure R.5 – Integrated product ........................................................................................... 58

Figure R.6 – Digital/digital converter ................................................................................... 58

Figure R.7 – Integrated product including digital/digital converter ......................................... 59

Figure R.8 – Integrated product including magnetic disc recorder......................................... 59

Figure S.1 – Lip-sync system model .................................................................................... 61

Figure S.2 – Lip-sync compensation .................................................................................... 62

Figure S.3 – Time-code transmission .................................................................................. 62

Figure S.4 – Latency parameter transmission ...................................................................... 63

---------------------- Page: 7 ----------------------
– 6 – IEC 60958-3:2021 © IEC 2021

Figure S.5 – Latency parameter transmission with TLv ........................................................ 63

Figure S.6 – Example of latency parameter transmission ..................................................... 64

Figure S.7 – Another example for solving lip-sync problems ................................................. 65

Figure T.1 – Relation between MPEG Surround buried data frame and IEC 60958-3

frame .................................................................................................................................. 66

Table 1 – Channel status general format for consumer use .................................................. 11

Table 2 – Mode 0 channel status format for consumer use ................................................... 13

Table 3 – Category code groups .......................................................................................... 19

Table 4 – Category code groups for laser optical products ................................................... 20

Table 5 – Category code groups for digital/digital converter and signal-processing

products ............................................................................................................................. 20

Table 6 – Category code groups for magnetic tape or magnetic disc based products ............ 20

Table 7 – Category code groups for broadcast reception of digitally encoded audio

with/without video signals ................................................................................................... 21

Table 8 – Category code groups for musical instruments, microphones and other

sources that create original sound ....................................................................................... 21

Table 9 – Category code groups for A/D converters for analogue signals without

copyright information .......................................................................................................... 21

Table 10 – Category code groups for A/D converters for analogue signals with

copyright information .......................................................................................................... 21

Table 11 – Category code groups for solid state memory based products ............................. 22

Table A.1 – Example of 2-channel compact disc format ....................................................... 31

Table C.1 – Use of Cp-bit, L-bit and category code for DAT ................................................. 33

Table C.2 – User data application in the DAT system ........................................................... 35

Table L.1 – Layout of message number "000000" ................................................................ 46

Table L.2 – Deck status codes ............................................................................................ 47

Table L.3 – ITTS packet extended message example .......................................................... 48

Table P.1 – Term definitions ............................................................................................... 53

Table P.2 – Cases .............................................................................................................. 54

Table P.3 – Example ........................................................................................................... 54

---------------------- Page: 8 ----------------------
IEC 60958-3:2021 © IEC 2021 – 7 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIGITAL AUDIO INTERFACE –
Part 3: Consumer applications
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international

co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and

in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,

Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their

preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with

may participate in this preparatory work. International, governmental and non-governmental organizations liaising

with the IEC also participate in this preparat
...

IEC 60958-3
Edition 4.0 2021-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Digital audio interface –
Part 3: Consumer applications
Interface audionumérique –
Partie 3: Applications grand public
IEC 60958-3:2021-09(en-fr)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2021 IEC, Geneva, Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form

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International Standards for all electrical, electronic and related technologies.
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---------------------- Page: 2 ----------------------
IEC 60958-3
Edition 4.0 2021-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Digital audio interface –
Part 3: Consumer applications
Interface audionumérique –
Partie 3: Applications grand public
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.160.01 ISBN 978-2-8322-1052-4

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 60958-3:2021 © IEC 2021
CONTENTS

FOREWORD ........................................................................................................................... 7

1 Scope .............................................................................................................................. 9

2 Normative references ...................................................................................................... 9

3 Terms and definitions ...................................................................................................... 9

4 Interface format ............................................................................................................... 9

5 Channel status ................................................................................................................ 9

5.1 General ................................................................................................................... 9

5.2 Application ............................................................................................................ 10

5.2.1 Channel status general format ....................................................................... 10

5.2.2 Mode 0 channel status format for digital audio equipment for consumer

use ................................................................................................................ 13

5.3 Copyright management guidelines for consumer application of the digital

audio interface ...................................................................................................... 18

5.3.1 General ......................................................................................................... 18

5.3.2 Category code groups.................................................................................... 19

6 User data....................................................................................................................... 22

6.1 General ................................................................................................................. 22

6.2 Application ............................................................................................................ 22

6.2.1 User data bitstream ....................................................................................... 22

6.2.2 User data message structure ......................................................................... 22

6.2.3 Equipment classification ................................................................................ 23

6.2.4 User data message length and contents ........................................................ 24

6.3 Information for synchronization ............................................................................. 26

6.3.1 General ......................................................................................................... 26

6.3.2 SMPTE time code information ........................................................................ 26

6.3.3 Latency information ....................................................................................... 27

6.3.4 Loudness information .................................................................................... 28

Annex A (normative) Application of the digital audio interface in the compact disc

digital audio system .............................................................................................................. 30

A.1 Overview............................................................................................................... 30

A.2 General: application-specific details ...................................................................... 30

A.3 Channel status: application-specific details ........................................................... 30

A.4 User data: application-specific details ................................................................... 30

Annex B (normative) Application of the digital interface in the 2-channel PCM

encoder/decoder ................................................................................................................... 32

B.1 Overview............................................................................................................... 32

B.2 General: application-specific details ...................................................................... 32

B.3 Channel status: application-specific details ........................................................... 32

B.4 User data: application-specific details ................................................................... 32

Annex C (normative) Application of the digital interface in the 2-channel digital audio

tape recorder in the consumer mode ..................................................................................... 33

C.1 Overview............................................................................................................... 33

C.2 General: application-specific details ...................................................................... 33

C.3 Channel status: application-specific details ........................................................... 33

C.4 User data: application-specific details ................................................................... 34

Annex D (normative) Application of the digital interface in laser optical digital audio

systems for which no other category code is defined ............................................................. 37

---------------------- Page: 4 ----------------------
IEC 60958-3:2021 © IEC 2021 – 3 –

D.1 Overview............................................................................................................... 37

D.2 General: application-specific details ...................................................................... 37

D.3 Channel status: application-specific details ........................................................... 37

D.4 User data: application-specific details ................................................................... 37

Annex E (normative) Application of the digital interface in a digital audio mixer in the

consumer mode .................................................................................................................... 38

E.1 Overview............................................................................................................... 38

E.2 General: application-specific details ...................................................................... 38

E.3 Channel status: application-specific details ........................................................... 38

E.4 User data: application specific details ................................................................... 38

Annex F (normative) Application of the digital interface with a sampling rate converter

in the consumer mode ........................................................................................................... 39

F.1 Overview............................................................................................................... 39

F.2 General: application-specific details ...................................................................... 39

F.3 Channel status: application-specific details ........................................................... 39

F.4 User data: application-specific details ................................................................... 39

Annex G (normative) Application of the digital interface with a digital sound sampler

in the consumer mode ........................................................................................................... 40

G.1 Overview............................................................................................................... 40

G.2 General: application-specific details ...................................................................... 40

G.3 Channel status: application-specific details ........................................................... 40

G.4 User data: application specific details ................................................................... 40

Annex H (normative) Application of the digital interface in a digital broadcast receiver

(Japan) in the consumer mode .............................................................................................. 41

H.1 Overview............................................................................................................... 41

H.2 General: application-specific details ...................................................................... 41

H.3 Channel status: application-specific details ........................................................... 41

H.4 User data: application-specific details ................................................................... 41

Annex I (normative) Application of the digital interface in a digital broadcast receiver

(Europe) in the consumer mode ............................................................................................ 42

I.1 Overview............................................................................................................... 42

I.2 General: application-specific details ...................................................................... 42

I.3 Channel status: application-specific details ........................................................... 42

I.4 User data: application-specific details ................................................................... 42

Annex J (normative) Application of the digital interface in a digital broadcast receiver

(USA) in the consumer mode ................................................................................................ 43

J.1 Overview............................................................................................................... 43

J.2 General: application-specific details ...................................................................... 43

J.3 Channel status: application-specific details ........................................................... 43

J.4 User data: application-specific details ................................................................... 43

Annex K (normative) Application of the digital interface for electronic software

delivery in the consumer mode ............................................................................................. 44

K.1 Overview............................................................................................................... 44

K.2 General: application-specific details ...................................................................... 44

K.3 Channel status: application-specific details ........................................................... 44

K.4 User data: application-specific details ................................................................... 44

Annex L (normative) Application of the digital interface in the digital compact cassette

system in the consumer mode ............................................................................................... 45

L.1 Overview............................................................................................................... 45

L.2 General: application-specific details ...................................................................... 45

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L.3 Channel status: application-specific details ........................................................... 45

L.4 User data: application-specific details ................................................................... 45

L.4.1 General ......................................................................................................... 45

L.4.2 Marker mode ................................................................................................. 45

L.4.3 Extended mode.............................................................................................. 46

Annex M (normative) Application of the digital interface in the mini-disc system in the

consumer mode .................................................................................................................... 50

M.1 Overview............................................................................................................... 50

M.2 General: application-specific details ...................................................................... 50

M.3 Channel status: application-specific details ........................................................... 50

M.4 User data: application-specific details ................................................................... 50

Annex N (normative) Application of the digital interface in a digital sound processor in

the consumer mode .............................................................................................................. 51

N.1 Overview............................................................................................................... 51

N.2 General: application-specific details ...................................................................... 51

N.3 Channel status: application-specific details ........................................................... 51

N.4 User data: application-specific details ................................................................... 51

Annex O (normative) Application of the digital interface in the digital versatile disc

system (DVD) in the consumer mode .................................................................................... 52

O.1 Overview............................................................................................................... 52

O.2 General: application-specific details ...................................................................... 52

O.3 Channel status: application-specific details ........................................................... 52

O.4 User data: application-specific details ................................................................... 52

Annex P (informative) Use of original sampling frequency, sampling frequency and

clock accuracy ...................................................................................................................... 53

Annex Q (normative) Application of the digital interface in magnetic disc digital audio

systems in the consumer mode ............................................................................................. 55

Q.1 Overview............................................................................................................... 55

Q.2 General: application-specific details ...................................................................... 55

Q.3 Channel status: application-specific details ........................................................... 55

Q.4 User data: application-specific details ................................................................... 55

Annex R (normative) Explanations of category code implementation .................................... 56

R.1 Multi-media player ................................................................................................ 56

R.2 Home-recorded medium player ............................................................................. 56

R.3 Monitoring output from a recorder ......................................................................... 57

R.3.1 Real-time monitoring (direct monitoring) ........................................................ 57

R.3.2 Monitoring after recording .............................................................................. 57

R.4 Integrated products ............................................................................................... 58

R.5 Implementation rule of category code groups for digital/digital converter and

signal-processing products ................................................................................... 58

R.5.1 Discrete product worked as a digital/digital converter or a signal

processing unit .............................................................................................. 58

R.5.2 Integrated product including a digital/digital converter or a signal

processing unit .............................................................................................. 58

R.6 Magnetic disc recorder unit inside an integrated product ....................................... 59

R.7 Category code assignment .................................................................................... 59

R.7.1 No category code in a corresponding category code group ............................ 59

R.7.2 No category code group for a corresponding product ..................................... 59

R.8 Other assignment of integrated products ............................................................... 60

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Annex S (informative) Application of the digital audio interface for synchronization of

audio, video and multi-media equipment ............................................................................... 61

S.1 General ................................................................................................................. 61

S.2 Lip-sync system model .......................................................................................... 61

S.3 How to compensate lip-sync ................................................................................. 61

S.3.1 General ......................................................................................................... 61

S.3.2 Detection methods ......................................................................................... 62

S.4 Use of time code ................................................................................................... 63

S.5 Use of latency information..................................................................................... 64

S.6 Example of latency parameter transmission method with TL ................................ 64

S.6.1 An example for solving lip-sync problems ...................................................... 64

S.6.2 Another example for solving lip-sync problems .............................................. 65

Annex T (normative) MPEG Surround over PCM .................................................................. 66

T.1 Format of MPEG Surround buried data frames ...................................................... 66

T.2 MPEG Surround detection..................................................................................... 66

Bibliography .......................................................................................................................... 67

Figure 1 – Example of message structure using information units ......................................... 23

Figure 2 – First UI contents ................................................................................................... 24

Figure 3 – Second UI contents .............................................................................................. 24

Figure 4 – Third UI contents.................................................................................................. 25

Figure 5 – User information ................................................................................................... 25

Figure 6 – SMPTE time code information .............................................................................. 26

Figure 7 – LTC information alignment ................................................................................... 26

Figure 8 – VITC information alignment .................................................................................. 27

Figure 9 – Latency information .............................................................................................. 27

Figure 10 – Latency information alignment ............................................................................ 28

Figure 11 – Loudness information ......................................................................................... 28

Figure 12 – Loudness information alignment ......................................................................... 29

Figure C.1 – Example of different combinations of start-ID and shortening-ID ....................... 36

Figure L.1 – Marker mode ..................................................................................................... 45

Figure L.2 – Extended mode ................................................................................................. 46

Figure P.1 – Player and interface model ............................................................................... 53

Figure R.1 – Multi-media player ............................................................................................ 56

Figure R.2 – Home-recorded medium player ......................................................................... 57

Figure R.3 – Direct monitoring .............................................................................................. 57

Figure R.4 – Monitoring after recording ................................................................................. 57

Figure R.5 – Integrated product ............................................................................................ 58

Figure R.6 – Digital/digital converter ..................................................................................... 58

Figure R.7 – Integrated product including digital/digital converter ......................................... 59

Figure R.8 – Integrated product including magnetic disc recorder ......................................... 59

Figure S.1 – Lip-sync system model...................................................................................... 61

Figure S.2 – Lip-sync compensation ..................................................................................... 62

Figure S.3 – Time-code transmission .................................................................................... 62

Figure S.4 – Latency parameter transmission ....................................................................... 63

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Figure S.5 – Latency parameter transmission with TLv ......................................................... 63

Figure S.6 – Example of latency parameter transmission ...................................................... 64

Figure S.7 – Another example for solving lip-sync problems ................................................. 65

Figure T.1 – Relation between MPEG Surround buried data frame and IEC 60958-3

frame .................................................................................................................................... 66

Table 1 – Channel status general format for consumer use ................................................... 11

Table 2 – Mode 0 channel status format for consumer use .................................................... 13

Table 3 – Category code groups ........................................................................................... 19

Table 4 – Category code groups for laser optical products .................................................... 20

Table 5 – Category code groups for digital/digital converter and signal-processing

products................................................................................................................................ 20

Table 6 – Category code groups for magnetic tape or magnetic disc based products ............ 20

Table 7 – Category code groups for broadcast reception of digitally encoded audio

with/without video signals ..................................................
...

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