S/PDIF stands for Sony/Philips Digital Interconnect Format and it is used to transfer the digital audio signals between the devices and the stereo components. It specifies a Info Link Layer protocol and the election of the Physical Layer for transferring the signals.

S/PDIF uses 'bi-phase aim code' for modulation in which a logical 1 is resembled by two zero-crossings of the locution and one zero-crossing of the expression funds a logical 0. It further uses inexpensive 75ohm coaxial cable or optical cable along with TOSLINK, BNC or RCA connectors. The vocable comparable form in the Sony/Philips Digital Interconnect Format ranges from 0.5 to 1 volt and the sub-code ammo is if via SCMS. In everyone block, 384 bits of the channel status and the sub-code hookup are transmitted. These sub-code bits are used by manufacturers at their will. In appendix to this, S/PDIF has no defined facts proportion and the most typical transfer closeness for Digital Audio Tape is 48 kHz and 44.1 kHz for Disc attribute audio.

The maximum resolution offered by S/PDIF is of 20 bits only. In cast to give back sources having exemplification authenticity of less than 20 bits, the superfluous bits are locate to zero. It can extremely be used to transport 24-bit samples by using four additional bits on the contrary this is not supported by all the equipments as some accoutrement ice the extra bits.

DVD Players, personal computer sound cards, receivers and CD players are some of the general devices that holding supply of the Sony/Philips Digital Interconnect Format (S/PDIF).