No sound on hd Forum › Forums › Freeview HD › FVP 4000T, 5000T › No sound on hd Tagged: No sound on HD This topic has 1 reply, 2 voices, and was last updated 4 years, 2 months ago by Martin Liddle. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts September 14, 2021 at 2:00 pm #22170 AnonymousInactive My new recorder has normal sound on all channels except HD. I am using the optical output from the recorder to a sound bar. September 14, 2021 at 4:29 pm #107533 Martin LiddleParticipant Decay – 2 hours ago » My new recorder has normal sound on all channels except HD. I am using the optical output from the recorder to a sound bar. Not my area of expertise but try on the Humax under Settings>General Settings> Audio try experimenting with the options for S/PDIF. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In