HDMI 2.1 Features Start Trickling into AV Gear

Enhanced audio return channel (eARC), a key HDMI 2.1
feature that supports high-bandwidth audio formats, has begun rolling out in select 4K TVs, AV receivers, and soundbars as a firmware update, but the HDMI 2.1 feature supporting high-bandwidth video formats such as native 8K won’t appear in TVs and audio products until late 2019 or 2020, says the organization that licenses HDMI technology.

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