Is it better to use HDMI ARC or optical?
HDMI ARC or digital optical audio? HDMI ARC is a better option. It supports Dolby Digital Plus, Dolby Atmos, and up to 7.1 channels of uncompressed audio while Digital Optical only supports Dolby Digital and up to 5.1 channels of uncompressed audio. What is better sound quality HDMI ARC or optical? Although optical is a fine connection for older systems …