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HDMI ARC and eARC: Audio Return Channel for beginners - CNET
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What Is HDMI ARC (Audio Return Channel)?
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alsa-lib 1.2.5(-2 on arch) only one of two connected hdmi/displayport outputs visible at once. My mic is completely MIA · Issue #148 · alsa-project/alsa-lib · GitHub
HDMI ARC support is the best feature of the latest Apple TV 4K — Cameo Pro Consulting
HDMI - Home Theater | BRAVIA TV Connectivity Guide
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