I am having this problem too, sound via HDMI (1080p) to LG 50PK590 then out via optical cable to surround sound system. Very annoying! Never used to have tis problem, it's only started relatively recently. Mfgr sw: 14.1.0, component sw: 1.7.2, platform 492, isp config 28.
I received my BT YouView box 2 days ago and been infuriated by this crackling sound on HD channels, which has not made the best first impression. Searching online shows that there have previously been other crackling sound issues (fixed in Jan?), however issues have arisen again. I am now left wondering whether YouView is…in Audio Crackling on HD channels Comment by iambigred 20 February 2013, 5:28PM