Samsung UN60ES7500FXZA - Manual (Page 99)

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Sound
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SPDIF Output
SPDIF (Sony Philips Digital Interface)
provides digital audio output to speakers
and various digital devices such as A/V
Receivers and Home Theaters which
reduces interference and distortion.
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Audio Format
You can select the Digital Audio output
(SPDIF) format. The available Digital
Audio output (SPDIF) format may differ
depending on the input source.