Read this: BBC HD 1080p/1080i Switching Causing Audio Dropouts On Some Sony HDTVs
Summary: It transpired that the Beeb upgraded the encoding software on its Freeview high-definition channels on 22nd and 23rd of March, allowing programmes which are natively shot at 1080p25 to be automatically transmitted in progressive mode instead of interlaced 1080i25. The Japanese TV manufacturer is aware of the problem, and is working hard on a firmware update to ensure there is no disruption in picture and sound data during transitions from progressive to interlaced modes and vice versa. This is probably due to the televisions aspect ratio being pegged independently to different video formats, and should be rectifiable by setting the same aspect ratio ideally without overscan for both 1080i and 1080p content. - hdtvtest.co.ukRead full article: BBC HD 1080p/1080i Switching Causing Aud…
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