You can also learn more about the advantages of Audio Return Channel (ARC) and its step-up technology, Enhanced Audio Return Channel (eARC) in this video tutorial. (Please only use certified cables with 'HDMI' on the packaging). However, high-speed HDMI cables with Ethernet are enough to support eARC, just like the next generation Ultra-High-Speed HDMI Cables. Some HDMI cables do not have enough bandwidth to carry high-frame-rate video and high-bit-rate audio channels. Not all HDMI cables can let you experience the full capacity of eARC. Image source: What HDMI cable should I use? However, due to bandwidth limitations, you will not be able to experience the maximum high-bitrate audio from the source. You will still be able to listen to audio through your Sound system. Due to the limitations of regular ARC, only eARC can currently process these formats.ĭo not worry if your TV is compatible with eARC, but your Soundbar or amplifier is only compatible with ARC. As a result, with an eARC channel, you can enjoy the depth of movie-theatre-quality surround sound via formats such as DTS:X and DOLBY ATMOS. Higher bandwidth also means that digital audio signal doesn’t have to be compressed and is much more detailed, rich and vibrant. Higher bandwidth translates into a higher amount of data that can be transferred (a larger pipe). You can picture it as a water pipe that can only transport a limited amount of water at a time, depending on the diameter of the pipe. Bandwidth represents the range of frequencies or amount of data that is being transferred at a time. The enhanced version of the Audio Return Channel has a much higher bandwidth than its predecessor. The main differences between ARC and eARC lie in bandwidth and speed. One of the most annoying things about TVs is the limited number of ports to connect things like streaming boxes and game consoles. With the evolution of sound technologies, (such as object-based sound audio), improving the Audio Return Channel connection became necessary to allow it to carry much more information. If you know you need an HDMI switcher but don't want to get bogged down in details, our experts think you should buy the Kinivo 550BN HDMI switcher: It has the right price, the right amount of inputs, and it just works. Image source: What’s so enhanced about eARC? In that sense, the HDMI cable sends both visual and audio information back and forth between your TV and a Sound Bar or amplifier / AV receiver. The Audio Return Channel allows digital audio data to be transferred solely via the HDMI cable. Fortunately, less cable management is required today thanks to HDMI ARC. What is Audio Return Channel?īefore the advent of ARC, you had to use an analogue or optical cable to carry the digital audio stream between your amplifier / Sound Bar and your television. It’s an improved version of ARC (regular Audio Return Channel). Check the Applicable Products and Categories section of this article before starting these steps.ĮARC stands for Enhanced Audio Return Channel. IMPORTANT: This article applies only to specific products and/or operating systems.
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