EARC AV receivers

eARC

— ARC (Audio Return Channel) allows you to transfer video / audio from the receiver to the TV, and audio from the TV to the receiver via one HDMI connector. An improved version of eARC was introduced at the same time as the HDMI 2.1 standard and received a number of improvements. Here are the main ones:

- Up to 40x more bandwidth, allowing uncompressed 5.1 and 7.1 surround sound, HD audio and Dolby Atmos and DTS:X "object-oriented" multi-channel codecs (see Decoders).
- Technology Lip Sync Correct, eliminating desynchronization between video and sound.
- Proprietary protocol to automatically detect audio formats supported by both connected devices and select the best option.

Of course, in order to use eARC, both the receiver and the TV it is connected to must support it.

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