1457Chapter 39
Digital Audio Interfacing and
Networking
by Ray Rayburn
39.1 Background........................................................................... 1461
39.1.1 Synchronous Connections............................................................. 1461
39.1.2 Asynchronous Connections............................................................ 1461
39.1.3 Isochronous Connections............................................................. 1462
39.1.4 AES5............................................................................. 1462
39.1.5 Digital Audio Interconnections......................................................... 1462
39.1.6 AES11............................................................................ 1463
39.2 AES3................................................................................ 1463
39.2.1 Subframe Format.................................................................... 1464
39.2.2 Frame Format...................................................................... 1464
39.2.3 Channel Coding..................................................................... 1465
39.2.4 Preambles......................................................................... 1465
39.2.5 Channel Status Format............................................................... 1466
39.3 AES3 Implementation................................................................... 1466
39.3.1 AES3 Transmitters.................................................................. 1466
39.3.2 AES3 Receivers..................................................................... 1466
39.3.3 Electrical Interface................................................................... 1466
39.3.4 Line Drivers........................................................................ 1471
39.3.5 Jitter.............................................................................. 1471
39.3.6 Line Receivers...................................................................... 1471
39.3.7 AES3 Connectors................................................................... 1472
39.4 AES-3id.............................................................................. 1473
39.4.1 Line Driver........................................................................ 1473
39.4.2 Interconnect System................................................................. 1473
39.4.3 Line Receiver....................................................................... 1473
39.5 AES42 (AES3-MIC).................................................................... 1474
39.5.1 Synchronization..................................................................... 1474
39.5.2 Microphone ID and Status Flags........................................................ 1474
39.5.3 Remote Control..................................................................... 1474
39.5.4 Simple Instruction Set................................................................ 1475
39.5.5 Direct Commands................................................................... 1475
39.5.6 Remote Control Pulse Structure........................................................ 1477
39.5.7 Synchronization..................................................................... 1477
39.5.8 Microphone Identification and Status Flags............................................... 1478
39.5.8.1 Organization................................................................... 1478
39.5.9 XLD Connector for AES3-MIC Applications.............................................. 1481