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<blockquote data-quote="seco" data-source="post: 197909" data-attributes="member: 54595">I've been going mad for past few weeks because of a stuttering when watching live/recorded TV. I tried several codecs with no luck. I was also having video/audio out-of-sync problem with some of my 720p content. Only 1080p was playing nice.I'm using nVidia 7900GT with Mirai 42&quot; FullHD LCD television, Purevideo as MPEG2 decoder.Yesterday I finally found the solution:The refresh rate for my 1080p resolution was wrong. For 720p the nVidia drivers give me 50Hz and 60Hz and 720p@60Hz runs with no problems. For 1080p drivers give me 50Hz, 59Hz(?) and 60Hz. When setting to 1080p resolution, driver selects automatically 59Hz which causes stuttering and out of sync problems. When I manually changed to 1080p@60Hz ALL PROBLEMS are finally gone: TV, 720p and 1080p runs so smooth. I hope this gives you some ideas what to try next.Btw, for me disabling the exclusive mode didn't make any difference, but the problem could be seen better: Every time the picture was stuttering, it was also tearing.</blockquote>

[QUOTE="seco, post: 197909, member: 54595"] I've been going mad for past few weeks because of a stuttering when watching live/recorded TV. I tried several codecs with no luck. I was also having video/audio out-of-sync problem with some of my 720p content. Only 1080p was playing nice. I'm using nVidia 7900GT with Mirai 42" FullHD LCD television, Purevideo as MPEG2 decoder. Yesterday I finally found the solution: The refresh rate for my 1080p resolution was wrong. For 720p the nVidia drivers give me 50Hz and 60Hz and 720p@60Hz runs with no problems. For 1080p drivers give me 50Hz, 59Hz(?) and 60Hz. When setting to 1080p resolution, driver selects automatically 59Hz which causes stuttering and out of sync problems. When I manually changed to 1080p@60Hz ALL PROBLEMS are finally gone: TV, 720p and 1080p runs so smooth. I hope this gives you some ideas what to try next. Btw, for me disabling the exclusive mode didn't make any difference, but the problem could be seen better: Every time the picture was stuttering, it was also tearing. [/QUOTE]

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