I brought a third-party C-HDMI cable with sound (normal audio playback with pause/cut in milliseconds). I ended up bringing this cable from Cable Matters to replace and it works great! I don't notice any lag in graphics or audio. The outer diameter of the cable is smaller than my old cable and the jacket material seems flexible. No driver required, just plug and play. Don't look for C-HDMI, this is the cable you need!
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