Audio is 50% speed, half missing when importing .mov file - video is OK

Forum|Forum|2 years ago
February 20, 2024
2 replies
882 views

A phone-recorded .mov file. When I import into Premiere, the audio gets slowed down to 50%, out of sync with video. On import, the audio and video clips are the same length, the audio is just 50% speed. Unlinked the clip, set the speed of the audio to 200% and now it sounds fine and syncs with the video, but half of the audio is missing! I’ve adjusted various settings, tried created a new project, and copied the files into new locations, renamed, cleared caches but nothing seems to work, even took to coworker's computer, and same thing on his machine.

Playing the .mov file in any media player works just fine. It only goes wonky on import into Premiere.

Premiere Pro 24.1.0 (Build 85)

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M

Media Editor

Inspiring

Does Shutter Encoder and HandBrake convert Variable Framerate to Constant Framerate without loss of quality?

Peru Bob

Community Expert

Nearly lossless, depending upon settings used.

Ann Bens

Community Expert

Variable framerate footage such as phone footage is known to cause issues.

If the footage is variable framerate convert to constant framerate with Handbrake or Shutter Encoder before bringing into Premiere.

Make sure Default Input in the Audio Hardware in the Preferences is set to No Input.

K

Kenneth34558707eg6rAuthor

Participant

Here are the specs of the .mov file. I tried converting it to various formats in Media Encoder, no luck. I used the "High Quality" setting in the presets and that wound up turning the video upside down... the other settings had no effect on makign the import correct. I finally played the video on screen and used my graphics card to capture the video as it played, that was my only work aorund. Two of my acquaintences, pros in the video business, are trying to see what they come up with. So far, it's been the same experience for all of us.

Ann Bens

Community Expert

Your clip could be problematic, very low quality, and it is not larger than a post stamp

224x128 and 15 fps (compare this to average HD 1920x180p 60 fps)

Don't think converting will do much good.

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