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Can I shoot video and sync sound separately and sync in iMovie?

1570 Views 7 Replies Latest reply: Nov 6, 2012 11:04 AM by acewriter RSS
acewriter Calculating status...
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Oct 19, 2012 2:00 PM

I hope this is the right board to post this question. (I'm posting on the iMovie board as well)

 

Can I shoot a video (of people talking) on a camera (using 720p or 1080p) at 30 fps, while recording the sound on a separate mic (usb) plugged directly into the computer (iMac) using GarageBand and have them sync up in iMovie for editing?

 

I know how to add sound from GarageBand to iMovie - the question is - will they be in sync?

 

What is the "frame rate" of GarageBand? Is it compatible with a video camera if the video and audio are shot separately? We're talking about sync sound here - that is - people talking - so it has to be in perfect sync

 

Since the camcorder I'm using doesn't have an external mic, I want to shoot somewhat like the old film method when we shot on a duel system using a camera and a Nagra tape recorder. Of course in that case the camera and recorder were synced using a vibrating crystal.

 

Thank you.

  • Christoph Drösser Level 6 Level 6 (11,270 points)

    It should work fine. The audio in movies doesn't have "frames", or better: its "frame number" is the sample rate of the audio. GB's is 44.1K, i.e. 44,100 samples per second.

  • Junky099 Calculating status...

    For me it doesn't work.

     

    I recorded the video with Photo Booth (using the webcam), and recorded the audio with GarageBand, and I tried to sync them in iMovie, but it's not possible. They have different speeds (different frames per second), so if I sync them at one place, they'll just get out of sync futher along the clip.

     

    Does anyone know how to sync them?

  • isteveus Level 5 Level 5 (4,125 points)

    Junky099, Why not use iMovie for rcording the video and the usb audio. You can use the iMovie audio eq for adjustment or send the movie to garageband for audio work.

     

    I just want to say that I make a lot of video with video shot or still and video cameras and record audio with a old Zoom or Mic on my iPad and sync them with iMovie without a problem.

  • Junky099 Level 1 Level 1 (0 points)

    I'm not using USB to record audio, I'm using just a minijack, which I plug into Mac's Line-In. I don't know how to record sound through Line-In in iMovie. I think that's what GarageBand should be for.

     

    I just don't get it how I can have such problems with such simple stuff. Whenever I see tutorials for syncing audio with video, nobody has this problem of different speeds, they just align them together and it works.

     

    What I still haven't tried was to record the video in iMovie (instead of Photo Booth), I don't know if that would help. So, I'm recording me playing piano, that's why I want to record the sound through line-in, so that the quality of the piano is better.

  • isteveus Level 5 Level 5 (4,125 points)

    Doesn't matter if you are using usb or line in for audio with iMovie. Just click on the mic icon and choose built in input.

  • Junky099 Level 1 Level 1 (0 points)

    I managed to record it. Now I recorded the video in iMovie (and audio still in GarageBand), and it worked

     

    I guess Photo Booth just screws up the video or something.

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