Read this if your new Apple TV is messing up your TV or receiver
HDMI CEC: What? Why? How? - YouTube
Hdmi-cec simplify your remotes using the functions of your new TV. - YouTube
HDMI 2.0 Audio Extractor Converter with Downmix [JTECH-EXD2] - J-Tech Digital
Decoder DVB-T2 Hevc H265 MAIN 10 Bit funzione CEC, Full High Definition Ricevitore Digitale Terrestre,USB funzione media player, HDMI, LAN, SCART, Telecomando 2 in 1 per controllare il TV - ANFEL 2.0 -
XOLORspace D368 LPCM 7.1CH HDMI Audio Decoder
Control your TV from Kodi, or vice versa! USB - CEC Adapter
Kramer KDS-DEC7 AVoIP Decoder for 4K60 over 1G Network KDS-DEC7
HDMI LPCM 7.1 5.1 Multi-Channel Audio Decoder
HDMI CEC protocol decode? - Test and Measurement - Digilent Forum
GitHub - floe/CEC: Arduino library for HDMI CEC communication
Amazon.com: AV Access 4K Video Matrix, Support Video Wall up to 8X8 Over TCP/IP, HDMI Extender Over Ethernet Decoder up to 394ft, Rotate 180 Degree, Zero Configuration & Visual Control, PoE, CEC (