SPDIF
S/PDIF specifies a
Data Link Layer protocol and choice of
Physical Layer specifications for carrying
digital audio signals between
devices and
stereo components. The name stands for
Sony/Philips Digital Interconnect Format (more commonly know as
Sony Philips Digital Interface), the two companies being the primary designers of the S/PDIF format. It is more recently part of a larger collection of standards IEC 60958 (often referred to as
AES/EBU), where it is known as
IEC 958 type II. S/PDIF is essentially a minor modification of the original AES/EBU standard for consumer use, providing small differences in the protocol and requiring less expensive hardware.
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