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Movies and Video For people making movies and editing video with their Mac.

HELP! Tried Recording a HD Video. Results are a MESS! 24p video has weird audio

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Member Since: Dec 06, 2006
Posts: 409
MacNewbie is an unknown at this point

MacNewbie is offline
My equipment:

Canon Vixia HRF100

Settings: Full 1920x1080, 24fps, Cinema Mode, everything else was default.

playing the raw MTS file on my computer yields a very choppy video with audio sounding like its playing back in slow motion....

however if i open imovie and select "import video from camera" and play the video in the preview screen, the video is much better BUT the sound although not slow mo sounds very choppy as if i am speaking through a fan....

what am i doing wrong pls help

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Member Since: Oct 04, 2010
Posts: 26
sguniverse is an unknown at this point

sguniverse is offline
Just a suggestion have you tried to play it with VLC?
Perhaps is a codec problem.
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Member Since: Feb 25, 2009
Posts: 2,109
Nethfel is a glorious beacon of lightNethfel is a glorious beacon of lightNethfel is a glorious beacon of lightNethfel is a glorious beacon of lightNethfel is a glorious beacon of lightNethfel is a glorious beacon of light
Mac Specs: Late 2013 rMBP, i7, 750m gpu, OSX versions 10.9.3, 10.10

Nethfel is offline
Is it an HF100? I don't recognize the model reference HRF.

One thing to consider is that I don't know if iMovie supports 24p (xstep would probably know) - another thing to consider, if it's an HF100, it's recording the 24p within a 60i container (yes, I have an HF100, yes, I know this is how it works - but like I mentioned that "HRF" is a designator that isn't familiar to me), so it would need to be inverse-telecined to get it to 24p (something AFAIK iMovie does not do) - although I wouldn't imagine that causing an audio issue BUT, you can try using JES Deinterlacer on the files to perform an inverse telecine.

I wouldn't suggest using VLC to play back the mts files from the avchd structure, the most successful I've been in playing back raw AVCHD files has been using movist.

My Macs: Late 2013 rMBP w/ 750m; Mac mini G4, 1.25 GHz, 512m ram (server); Late 2011 11" MBA, 1.8GHz i7, 4Gig Ram, 256Gig SSD, HD3000; Powerbook 12" G4 1.33GHz running Debian as a server; Apple TV (1080p version)
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