1、 IEC 60958-4Edition 2.1 2008-07INTERNATIONAL STANDARD Digital audio interface Part 4:Professional applications IEC 60958-4:2003+A1:2008(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright
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9、LOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60958-4Edition 2.1 2008-07INTERNATIONAL STANDARD Digital audio interface Part 4:Professional applications INTERNATIONAL ELECTROTECHNICAL COMMISSION CEICS 33.160.30 PRICE CODEISBN 2-8318-9703-3 Registered trademark of the I
10、nternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60958-4 IEC:2003+A1:2008(E)CONTENTS INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Interface format.6 4.1 General
11、.6 4.2 Validity bit.6 5 Channel status.7 5.1 General.7 5.2 Professional linear PCM application.7 6 User data.15 6.1 General.15 6.2 Application.15 7 Implementation.15 7.1 General.15 7.2 Transmitter.15 7.3 Receivers.16 8 Electrical requirements.16 8.1 General.16 8.2 Balanced line.16 8.3 Unbalanced coa
12、xial cables.21 Bibliography.22 Figure 1 Simplified example of the configuration of the circuit(balanced).17 Figure 2 Intrinsic jitter measurement filter.18 Figure 3 Jitter attenuation mask(optional).18 Figure 4 Eye diagram.19 Figure 5 A suggested equalizing characteristic for the receiver operating
13、at a frame rate of 48 kHz.19 Figure 6 Receiver jitter tolerance template.20 Table 1 Channel status data format for professional linear PCM application.8 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60958-4 IEC:2003+A1:2008(E)3 INTER
14、NATIONAL ELECTROTECHNICAL COMMISSION _ DIGITAL AUDIO INTERFACE Part 4:Professional applications 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 pro
15、mote 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(hereaf
16、ter 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 preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions determined by agreement between the two organizations.2)The form
