1、 IEC 60958-3 Edition 3.0 2015-06 INTER NA TIONA L STA NDA R D Digital audio interface Part 3:Consumer applications IEC 60958-3:2006-05/A MD2:2015-06(en)AMENDMENT 2 Copyright International Electrotechnical Commission THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC,Geneva,Switzerland All r
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11、terface Part 3:Consumer applications INTER NA TIONAL ELECTROTECHNICAL COMMISSION ICS 33.160.01 ISBN 978-2-8322-2680-3 Registered t rademark of t he Int ernational Electrot echnical Commission W arning!Make sure that you obtained this publication from an authorized distributor.AMENDMENT 2 Copyright I
12、nternational Electrotechnical Commission 2 IEC 60958-3:2006/AMD2:2015 IEC 2015 FOREWORD This amendment has been prepared by technical area 4:Digital system interf aces and protocols of IEC technical committee 100:Audio,video and multimedia systems and equipment.The text of this amendment is based on
13、 the f ollowing documents:FDIS Report on voting 100/2464/FDIS 100/2494/RVD Full inf ormation on the voting f or the approval of this amendment can be f ound in the report on voting indicated in the above table.The committee has decided that the contents of this amendment and the base publication wil
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15、ssued at a later date._ _ _ _ _ INTRODUCTION to Amendment 2 The revision of IEC 60958-3:2006 has become necessary to document the protocol f or transmitting the audio signal and its inf ormation in current improved audio f ormats and systems.To apply IEC 60958-3 and its IEC 60958 conf ormant data f
16、ormat transmitting as part or whole of the multichannel audio data,a general channel assignment number specif ied in IEC 62574 is added to the C-bit.Loudness inf ormation is added to the U-bit to enable loudness control.Copyright International Electrotechnical Commission IEC 60958-3:2006/AMD2:2015 3 IEC 2015 2 Normative ref erences Insert,i n the list of normat ive references,t he following new publicat ion:IEC 62574:2011,Aud i o,vid eo and mult i med i a systems General channel assi gnment of m