HDMI was marketed as an easy fix for improving the sound quality of your home theater experience. The reality is that HDMI ARC/eARC don't always work as advertised.
STR-AN1000/TA-AN1000, Help Guide
OREI UHDS-401A: 4x1 HDMI Switch, Key Features:, HDMI 2.0b, HDCP 2.2 / 1.x, and DVI 1.0 compliant, Video resolution up to 4K2K@60Hz RGB/YCbCr 4:4:4,
4K HDMI 2.0 4x1 HDMI Switch With Audio Extractor ARC/eARC Supported (UHDS-401A)
What You Need to Know About HDMI ARC & eARC
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What is the Audio Return Channel (ARC) feature?
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HDMI ARC and HDMI eARC explained: The evolution of the Audio Return Channel
WTF is HDMI ARC/eARC?
