ony/ hilips igital nter ace. The SPDIF is an advanced technological Digital Interface, as opposed to transferring signals via conventional analog interfaces, designed by the Sony and Philips corporations.

This is digital audio, and can be either coaxial cable or fiber optic.

Abbreviation for Sony/Philips Digital Inter-Face. Digital transmission format for the consumer marked. This self-clocking stereo signal can be transmitted optically or via an Cinch cable. The format is like the AES/EBU Standard but with other channel status and other electrical specifications.