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<blockquote data-quote="RoChess" data-source="post: 835868" data-attributes="member: 18896">Re: Scanning during Live TVYou could look at your splitter and codec setup.Some splitter and codec combinations are much better multi-thread optimized then others. The import process is done on background threads, so only when codecs are in use that do not 'share' the system resources nicely do you end up with stuttering.I personally use the MPC-HC standalone codecs and splitters and can run a MovingPictures full-refresh via IMDb+ plugin (takes about 6 hours), an MP-TVSeries import scan and watch media full-screen at the same time without any stuttering. And this is on a relative weak dual-core AMD BE-2400 CPU.You might be dealing with a mainboard/BIOS combination that has terrible 'Deferred Procedure Calls' latency issues. Even on a brand new Core i7 system, I've seen DPC issues that cause serious audio/video stuttering when other things were going on at the same time. Sometimes it can be indirect as well, for example with onboard LAN and a bad chipset/driver it can be that network access can generate huge amount of CPU time wasted. I've seen situations where LAN caused 80% CPU spikes on an 8-core Core-i7, which was fixed to 1% after BIOS, chipset and driver updates.Debugging the cause (as it can be many things, or even combinations of things) can be time consuming, but it is doable if you take your time and follow a good checklist.</blockquote>

[QUOTE="RoChess, post: 835868, member: 18896"] [b]Re: Scanning during Live TV[/b] You could look at your splitter and codec setup. Some splitter and codec combinations are much better multi-thread optimized then others. The import process is done on background threads, so only when codecs are in use that do not 'share' the system resources nicely do you end up with stuttering. I personally use the MPC-HC standalone codecs and splitters and can run a MovingPictures full-refresh via IMDb+ plugin (takes about 6 hours), an MP-TVSeries import scan and watch media full-screen at the same time without any stuttering. And this is on a relative weak dual-core AMD BE-2400 CPU. You might be dealing with a mainboard/BIOS combination that has terrible 'Deferred Procedure Calls' latency issues. Even on a brand new Core i7 system, I've seen DPC issues that cause serious audio/video stuttering when other things were going on at the same time. Sometimes it can be indirect as well, for example with onboard LAN and a bad chipset/driver it can be that network access can generate huge amount of CPU time wasted. I've seen situations where LAN caused 80% CPU spikes on an 8-core Core-i7, which was fixed to 1% after BIOS, chipset and driver updates. Debugging the cause (as it can be many things, or even combinations of things) can be time consuming, but it is doable if you take your time and follow a good checklist. [/QUOTE]

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