Choppy Sound on video import

I use a Sony HD Handycam to record video. During playback on the camera the sound and video is flawless. But when I import it into iMovie HD the sound is choppy and difficult to understand and the video playback is also choppy, almost like it's playing back at a higher speed than it was recorded.
How do I solve this problem? HELP!

Hi
First thoughts:
• Did You record in LP-mode (90min on a 60min tape) ? Don't
And if it is so:
Use same Camera + set iMovie pref to NOT import as individual clips
• Free space on internal (start-up) hard disk less than 10Gb ?
I try to have at least 25Gb free
• Lot's of audio clips > 50 ?
Mix down audio to one audio .aiff file
• Other programs running in background
Turn them off + Simple desktop back ground (not animated/changing)
Turn off energy save
Turn off screen saver
Don't use "File Vault"
Yours Bengt W

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