It fixed itself after I reinstalled the latest up to date software and drivers from Hauppauge. I had that happen all of a sudden on a few videos a couple of months ago. If it starts to lag at a certain point later in time look for a glitch in the playback video just before the out-of-sync begins. 250ms early or late all the way through or does it start out ok and get worse with time? If it's constant you can apply a + or - delay to the audio in MultiAVCHD. Was the original capture video with aac out-of-sync or only the final version converted by MultiAVCHD. There are restrictions above 4k with H.264 but you won't run into those here.I take it you converted the audio in MultiAVCHD. TS (can think of them like a ZIP or RAR) and has no resolution restrictions apart from the restrictions the placed on the video formats it can contain, like H.264. If you are planning on capturing analog SD formats like Video8, VHS, Hi8, and others then you will need to deinterlace, either with the Colossus or with a second re-encoding. Should I consider something before I get one of these capture devices? What I was trying to say was that if you record HD programming, like 1080i content then your recording will also be interlaced and need to be deinterlaced by the player. If analog sources resolutions are lower than mp4 resolutions, does it cause problem? Our aim is to capture in mp4 format and play mp4 files on TVs or computers without any problems. Actually, I can't understand your last sentence.

As often times it is going to need to be able to deinterlace 1080i content that you record, should you want to play these recordings raw.

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