SPDIF or S/PDIF

S/PDIF: Sony/Philips Digital Interconnect Format

SPDIF : Sony Philips Digital Interconnect Format

Digital audio interfaces:

ref:

http://en.wikipedia.org/wiki/Digital_audio#Digital_audio_interfaces

http://en.wikipedia.org/wiki/S/PDIF

"S/PDIF specifies a Data Link Layer protocol and choice ...
carrying digital audio signals between devices and stereo components over either optical or electrical cable.

The name stands for Sony/Philips Digital Interconnect Format ...

"