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AES/EBU Digital Audio (XLR)

AES/EBU (Audio Engineering Society / European Broadcasting Union) is the professional digital audio standard carrying two channels of PCM audio over balanced XLR cables. Higher level and lower impedance than consumer S/PDIF.

// connector diagram 3 pins
// loading diagram...
// Specifications
Standard
AES3 / IEC 60958-4
Connector
XLR 3-pin (same as balanced audio)
Impedance
110 ohm balanced
Signal Level
3–10V p-p (much higher than S/PDIF)
Sample Rates
32kHz to 192kHz
Use Case
Professional studio, broadcast
// Pin Reference Table
PinNameFunctionType
1 GND Shield and ground GND
2 DATA+ AES3 data positive (non-inverting) BUS
3 DATA- AES3 data negative (inverting) BUS

AES/EBU (Audio Engineering Society / European Broadcasting Union) is the professional digital audio standard carrying two channels of PCM audio over balanced XLR cables. Higher level and lower impedance than consumer S/PDIF.