Multi-channel Audio Digital Interface.
MADI is widely used in the audio industry, especially in the professional sector. Its advantages over other audio digital interface protocols and standards such as AES/EBU (AES3), ADAT, TDIF and S/PDIF are:
The latest specification, called AES10-2003, adds a 64 channel capability as well as support for "double-rate" sampling at 96 kHz.