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21ASUS Xonar Essence ST
SPDIF Out/DDL
Xonar Essence ST is capable of outputting Dolby Digital Live, which is a real-time
encoder that transcodes any audio, including games and music, into industry-
standard Dolby Digital bit-streams on-the-y. This is ideal for playback through a
home theater system, creating an impressive cinema surround sound experience.
It enables a single digital connection to carry high quality Dolby Digital surround
audio from your PC to digital speakers and AV Receivers.
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1
S/PDIF Out enable/disable
Tick this checkbox to enable S/PDIF output.
2
S/PDIF Output Formats/Functions
From the dropdown list, select one of these formats:
• PCM (Pulse Code Modulation, which is a typical raw audio data format.)
• Dolby Digital Live real-time 5.1ch encoding
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Dobly Digital Live advanced upmixing option
This advanced setting will automatically upmix stereo (2ch) content to 5.1
channel surround with Dolby Pro-Logic II when using Dolby Digital Live output.