AU-1H1DD-4K22 - HDMI Audio De-Embedder with Dolby Digital & DTS Decoder (4K, HDCP2.2. HDMI2)
Dolby & DTS AV Signal Manager
Open Hour Chameleon RK3288 TV Box Gets (Partial) DTS-HD and Dolby TrueHD HDMI Pass-through Support - CNX Software
Our TV Input Tests: Audio Passthrough - RTINGS.com
Amazon.com: ATNEDCVH 5.1 Surround Sound Decoder Separator Converter for DTS AC3, 4K 60Hz HDMI 3 in 1 Out, HDCP 2.2 HDR, Digital Analog Audio Video System 192Khz/24Bit, with BT-5.0 Receiver (Silver, 4K