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(Sony/Philips Digital InterFace) A serial interface for transferring digital audio from CD and DVD players to amplifiers and TVs. S/PDIF is typically used to transmit PCM and Dolby Digital 5.1, but it is not tied to any sampling rate or audio standard.

S/PDIF uses unbalanced 75 ohm coaxial cable up to 10 meters with RCA connectors or optical fiber terminated with a TOSLINK (Toshiba link) connector. See AES/EBU and TOSLINK.

AES/EBU is the professional version of S/PDIF and uses a higher signal voltage. They both support the same audio data with slight differences in the frame bits. Conversion between these interfaces must be handled with electronic circuits, not by adapting one connector to another.

S/PDIF shares the same 75 ohm coaxial cable as its AES3id professional counterpart, but also has an optical alternative.

Electrical and Optical Sockets
On the back of this DVD deck are S/PDIF electrical and optical sockets. The RCA jack for the coaxial cable (left) is generally colored orange, but not in this particular unit. If the optical is not used, the stopper plug (at bottom) is inserted to block the laser.
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References in periodicals archive ?
SER = [[beta].sub.0] + [[beta].sub.1] GDPP + [[beta].sub.2] PDIF + [[beta].sub.3] INN + [[beta].sub.4] FDI + [[beta].sub.5] TOP + [e.sub.t] ...
PDIF, INN, FDI and TOP indicate GDP Per Capita, productivity difference (productivity gap), innovation, foreign direct investment and trade openness respectively.
The point is, whether it's with Big Blue's PDIF or with another SOA system, data moves freely among systems; no one need take into account that they're working on two separate systems, which by rights shouldn't be interacting so easily.
PDIF INCOMES FROM DIVIDEND AND SHARE AUCTIONS/in EURO Year Dividend Share auctions 1998 812.000 9.259.000 1999 1.116.000 2.886.000 2000 875.000 252.845 2001 641.000 2.724.000 2002 320.000 2.805.000 2003 341.000 335.447 2004 334.000 827.000 2005 294.000 449.000 2006 369.000 15.652.000 2007 95.609 922.000 2008 349.268 1.587.000 2009 315.000 1.213.000