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I just imported the dialog audio from the QT video of this clip and for some reason the clip gets really distorted, but sounds fine on the actual QT video. I imported other SFX files into the session and they come out just fine. This is what the waveform (stereo) looks like: http://instagr.am/p/hz8UK/
I've had issues importing the audio from a QT into PT before where the audio is fine when playing the video in QT but when I import, only one channel is at the wrong sample rate playing at half speed but the other tracks from the QT are fine.
Not sure if this will work for you, but the work around I did was in QT pro, export the QT video as an AIFF or WAV with the proper session settings. For whatever reason, this fixed my issue of the single track importing into PT at the wrong speed. This may help with your audio if it's fine on the QT but distorted on PT import.
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