HDMIARC
HDMI ARC stands for High-Definition Multimedia Interface Audio Return Channel. It is a feature integrated into the HDMI specification that allows an audio signal to travel from the television back to an AV receiver or soundbar. Traditionally, HDMI connections were used to send audio and video signals from a source device, such as a Blu-ray player or gaming console, to a display. However, with ARC, the need for a separate audio cable is eliminated for certain audio sources.
When ARC is enabled, a single HDMI cable can carry both video and audio signals. For example,
To utilize HDMI ARC, both the television and the audio device must support the ARC feature, and