Missing frames in iMovie

I am trying to convert my old 8mm Camcorder tapes to iMovie HD. I have bought a Pyro A/V Link (analog to DV converter) and am connecting it to my iMac via a Firewire cable. However, after a few minutes of playing a tape into the converter and iMovie I get missing frames as if the computer can't keep up with the frames per sec coming from the Camcorder and converter. Does anyone have any clues on how to overcome this problem? I have all other applications turned off and it doesn't matter where I save the movie on the hard disc, the problem persists. Any suggestions would be most welcome.

Hi Gazza51,
Welcome to the forum!
I would advise to return the Pyro A/V link to the store where you bought it and have it replaced with Canopus ADVC 110. I own and have used one a lot with iMovie until I upgraded my equipment. Also, you will find many posts on this forum recommending exactly this piece of hardware. Firthermore, the iMovie forum could be a better place for you to search information about iMovie (it is already there I am sure and you do not even have to ask) than this forum which is more about Pro applications such as Final Cut.

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