https://eu.community.samsung.com/t5/audio-video/pcm-or-bitstream/m-p/1769948#M7324 <P>If you do not have av receiver or sound bar or any other equipment to send sound by. leave it on PCM</P> Fri, 29 May 2020 07:16:34 GMT Audio1 2020-05-29T07:16:34Z https://eu.community.samsung.com/t5/audio-video/pcm-or-bitstream/m-p/1769948#M7324 <P>If you do not have av receiver or sound bar or any other equipment to send sound by. leave it on PCM</P> Fri, 29 May 2020 07:16:34 GMT https://eu.community.samsung.com/t5/audio-video/pcm-or-bitstream/m-p/1769948#M7324 Audio1 2020-05-29T07:16:34Z https://eu.community.samsung.com/t5/audio-video/pcm-or-bitstream/m-p/1796115#M7596 Hi - apols for jumping in. Can’t see how to start a question. Have just bought a QE55Q80RATXXU. Expert sound will only offer PCM. Have SkyQ and Sony PlayStation as inputs to TV and TV ARC out to Yamaha Soundbar (it wont pass through HDR only 4K) . Have also tried optical cable but still all greyed out less PCM. Wed, 10 Jun 2020 20:11:17 GMT https://eu.community.samsung.com/t5/audio-video/pcm-or-bitstream/m-p/1796115#M7596 BullsTroop 2020-06-10T20:11:17Z