<Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2011) (Learn how and when to remove this template message) </Td> </Tr> <P> Toshiba originally created TOSLINK to connect their CD players to the receivers they manufactured, for PCM audio streams . The software layer is based on the "Sony Philips Digital Interconnect Format" (S / PDIF), while the hardware layer utilizes a fiber optic transmission system, rather than the electrical (copper) hardware layer of S / PDIF . TOSLINK was soon adopted by manufacturers of most CD players . It can often be found on video source (DVD and Blu - ray players, cable boxes and game consoles) to connect the digital audio stream to Dolby Digital / DTS decoders . </P> <P> The name is a registered trademark of Toshiba, created from TOShiba - LINK . Variations of the name, such as TOSlink, TosLink, and Tos - link, are also seen, while the official generic name for the standard is EIAJ optical . </P> <P> ADAT Lightpipe or simply ADAT Optical uses an optical transmission system similar to TOSLINK, and is used in the professional music / audio industry . While the ADAT Lightpipe format uses the same JIS F05 connectors as TOSLINK, the ADAT Lightpipe data format is not compatible with S / PDIF . </P>

3.5mm headphone jack s/pdif optical digital output