Changing the audio mode
The TV has two audio modes, accessed by navigating in the Home screen menu to Settings >Audio >
Audio mode:
Stereo – Use this setting for internal speakers, headphones, and external stereo amplifiers
connected through HDMI® ARC, SPDIF optical, or headphone jack.
Auto – Use this setting to automatically detect the best audio setting based on the audio stream
in the content you are watching. If you have connected the TV to an external Dolby Audio™
compatible amplifier, receiver, or sound bar through HDMI® ARC or SPDIF optical, the TV
automatically selects the appropriate surround sound capabilities of the device based on the
characteristics of the current program.
Setting up a digital audio connection
You can connect the TV to an external amplifier, receiver, or sound bar by using either of these two
connections:
HDMI ARC – The HDMI® Audio Return Channel enables the TV to output digital audio
on one of its HDMI® connectors. The connected amplifier can also function
simultaneously as an input source to the TV, if needed. To use the ARC capability, you
must connect an HDMI® cable from your amplifier’s HDMI® ARC connector to the
HDMI ARC connector on the TV. You also must:
o Be sure your HDMI® cable is certified by HDMI®.
o Enable HDMI ARC under Settings > System > Control other devices (CEC), as explained
in Enable HDMI® ARC.
SPDIF optical – The TV has an SPDIF optical connector that outputs a digital audio
signal. To use the optical output, connect a TOSLINK optical cable from the amplifier
to the Optical or SPDIF connector on the TV.
Note: Dolby Audio™ supporting Dolby Digital Plus™ format is not available through the SPDIF
optical output. This format is only available through the HDMI® ARC connection.
After making the required HDMI® ARC or SPDIF optical connection, go to Settings > Audio > S/PDIF and
ARC option and select the audio format to use.
Note: In most cases, Auto detect is the best option. Other settings can result in no sound when the
content you are viewing does not contain the audio stream type you selected.
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