Samsung Smart TV UE37D5520 E-Manual page 61

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Dolby❑Digital❑Comp❑(Line❑/❑RF): This function minimizes signal disparity
between a dolby digital signal and a voice signal (i.e. MPEG Audio, HE-AAC,
ATV Sound).
Select
N
between loud and soft sounds at night time.
Line: Set the output level for signals greater or less than -31dB (reference) to
either -20dB or -31dB.
RF: Set the output level for signals greater or less than -20dB (reference) to
either -10dB or -20dB.
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to obtain dynamic sound, and
Line RF
English
to reduce the difference
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