Amendment 1 - Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 1: General

Amendement 1 - Audionumérique - Interface pour les flux de bits audio à codage MIC non linéaire conformément à la CEI 60958 - Partie 1: Généralités

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Status
Published
Publication Date
11-Oct-2011
Current Stage
DELPUB - Deleted Publication
Completion Date
24-Feb-2021
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IEC 61937-1:2007/AMD1:2011 - Amendment 1 - Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 1: General
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IEC 61937-1
Edition 2.0 2011-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Digital audio – Interface for non-linear PCM encoded audio bitstreams applying
IEC 60958 –
Part 1: General
Audionumérique – Interface pour les flux de bits audio à codage MIC non
linéaire conformément à la CEI 60958 –
Partie 1: Généralités
IEC 61937-1:2007/A1:2011
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61937-1
Edition 2.0 2011-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Digital audio – Interface for non-linear PCM encoded audio bitstreams applying
IEC 60958 –
Part 1: General
Audionumérique – Interface pour les flux de bits audio à codage MIC non linéaire
conformément à la CEI 60958 –
Partie 1: Généralités
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE PRICE CODE
CODE PRIX
ICS 33.160.30 ISBN 978-2-88912-692-7
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – 61937-1 Amend.1 © IEC:2011
FOREWORD

This amendment has been prepared by technical area 4: Digital system interfaces and

protocols, of IEC technical committee 100: Audio, video and multimedia systems and

equipment.
The text of this amendment is based on the following documents:
CDV Report on voting
100/1810/CDV 100/1883/RVC

Full information on the voting for the approval of this amendment can be found in the report

on voting indicated in the above table.

The committee has decided that the contents of this amendment and the base publication will

remain unchanged until the stability date indicated on the IEC web site under

"http://webstore.iec.ch" in the data related to the specific publication. At this date, the

publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
---------------------- Page: 4 ----------------------
61937-1 Amend.1 © IEC:2011 – 3 –
INTRODUCTION to Amendment 1

The revision of IEC 61937-1 (2007) has become necessary to specify the additional definition

of length-code. Amendment 1 contains the following significant technical changes with respect

to the base publication (IEC 61937-1, second edition).
– New 8-bytes unit definition of length-code is added.

– An erratum in Clause 7 as for indication of the burst-payload type is corrected.

3.1 Definitions
Replace, in 3.1.12, the existing definition by the following:
3.1.12
length-code

code indicating the length of the data-burst-payload in bits, bytes or 8-bytes unit

6.1.6 Burst-preamble
Replace the entire existing first paragraph by the following:

The burst-preamble consists of four mandatory fields. Pa and Pb represent a synchronization

...

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