HDMI To DVI Audio Converter Optical TOSLINK SPDIF 3.5mm Jack Digital to Analog Audio Converter Video Adapter Support DTS AC3 LPCM/PCM ETC 2.0ch/5.1ch For PS3/4/XBOX - Newegg.com
HDMI Feedthrough Adapter D-shape Housing PCM-RPMC-18 (Pack of 500)
4K HDMI Audio Embedder and Extractor - PureLink AV
Change the audio format on your Samsung TV
Amazon.com: 4K HDMI to Optical Audio Converter + HDMI PCM 5.1 7.1 to Analog Surround Decoder : Electronics