LG UQ7570PUJ 50" 4K HDR Smart LED TV - Manual (Page 79)

When connected with HDMI eARC, the output audio type will depend on the audio type
supported by the connected device.
Using eARC Supported Audio Device
Sound Advanced Settings eARC Support
eARC is a technology that can send and receive more sound information faster thanks
to its wider bandwidth than that of the conventional ARC. You can enjoy TV sound with
higher quality than ARC through a connected audio device.
AI Service
AI Brightness Settings
General AI Service AI Brightness Settings
Set to On . AI adjusts the dark areas according to the brightness around your TV and
specific contents.
AI Sound / AI Sound Pro
General AI Service AI Sound / AI Sound Pro
If set to On , the optimal sound and realistic surround effects are provided per the content
based on artificial intelligence.
This setting only applies to the internal speakers of the TV or HDMI (eARC/ARC)
connected devices that support Sound Mode Share .
When this feature is set to On , Sound Select Mode is changed to AI
Sound / AI Sound Pro .
Depending on the device connected and input audio type, it can be output as Dolby
Metadata-Enhanced Audio Transmission PCM (Dolby MAT PCM).
●
If Digital Sound Output is set to Pass Through and HDMI input is Dolby TrueHD or
Multi-Channel PCM, audio can be output as Bypass.
●
Connect an audio device that supports eARC to the HDMI (eARC/ARC) port. 01
Go to Sound Out Use Wired Speaker and choose HDMI(ARC) Device . 02
Set eARC Support to On . 03
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