Isolated Inter-IC Sound (I²S)
Isolating digital audio reduces the system noise floor by eliminating ground loops. IsoLoop S-Series
isolators precision edge
placement (only 50 ps typical jitter) all but eliminates noise-induced
phase error and hum in the analog side of the audio system.
Isolator jitter and its importance in precision audio (01:26)
An illustrative circuit for a CD transport or other audio subsystem is: