Samsung UE40D7000LU E-Manual page 78

● Audio Format
(digital channels only)
When sound is emitted from both the main speaker and the audio receiver, a
sound echo may occur due to the decoding speed difference between the main
speaker and the audio receiver. In this case, use the TV Speaker function.
Audio Format
N
digital sound is only available when connecting an external speaker through an
optical cable.
◀
option may differ depending on the broadcast. 5.1ch Dolby
English
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