Enhanced Audio Return Channel (eARC)

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HDMI® Enhanced Audio Return Channel (eARC)

HDMI 2.1b features Enhanced Audio Return Channel (eARC) which is an advancement over the previous Audio Return Channel (ARC). eARC simplifies connectivity and provides greater ease of use for multiple components discovery and audio optimization. It supports the latest high-bitrate audio formats up to192kHz, 24-bit, and uncompressed 5.1 and 7.1, and 32-channel uncompressed audio. It also supports DTS-HD Master Audio™, DTS:X®, Dolby® TrueHD, Dolby Atmos®. Now it’s easier than ever to experience movie theater quality sound in a living room for an immersive multi-dimensional experience and enhanced audio detail and depth.

eARC enables the audio to a TV that originates from cable, satellite, streaming or source devices to be sent to an AVR or sound bar through a single HDMI cable. This ensures the simplicity of connectivity and that the original audio can be experienced.

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HDMI® Licensing Administrator, Inc. (HDMI LA) is the agent appointed by the HDMI Forum to license Version 2.1b of the HDMI Specification and is the agent appointed by the HDMI Founders to license earlier HDMI Specifications.

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