There are several standards of HDMI as this has improved over time.
This is High- Definition Multimedia IInterface is an interface from both uncompressed video data and audio. 2.8 Do Linn DSM products support HDMI 2.1?.2.7 Hiss or White noise Audio from a Linn DSM HDMI connection.2.6 No Audio from a Linn DSM HDMI connection.2.5 APPLE TV4 switching TV On and Off Plus controlling Tv volume.2.3 No Audio playback on HDMI connection.2.2.5 HDMI connection with Video scalers.2.2 I cannot get any picture through the HDMI.1.8 Surround formats supported by the Linn Surround Module.