関連ワード:  what is hdmi arc mean    what is hdmi 1 arc mean    what is hdmi 3 arc mean    what is hdmi 2 arc mean    what is hdmi arc port mean    what is hdmi (earc/arc) mean    what does hdmi arc mean on tv    what does hdmi arc mean on roku tv    what does hdmi arc mean on soundbar    what is meant by hdmi arc