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1 vote
1 answer
219 views

A/V Controls button for Slow motion in QuickTime Player (10.5)?

I find that Apple answers this question Slow motion in QuickTime Player (10.5) in Mac? From https://discussions.apple.com/thread/250493652 You can use the keyboard shortcuts below for slow motion ...
wonderich's user avatar
  • 111
0 votes
0 answers
2k views

MP4 video file does not play audio in Quicktime on macOS 10.14

Consider the following MP4 audio file, with the following codec information (Cmd+I in VLC): When I open this file with QuickTime, or QuickLook, this file does not play with audio. However, when I ...
brtdv's user avatar
  • 1
0 votes
2 answers
333 views

mov's play without sound unless in iMovie

I have a lot of videos from a Canon mini dv video camera. I imported them from my camera into iMovie, so now I have them all in an event. The videos play perfectly fine in iMovie. I tried to copy ...
Daniel's user avatar
  • 151
2 votes
2 answers
328 views

Command line way to flatten a multi-channel-audio .Mov into a single-channel-audio .Mov?

Caveat: I'm not very familiar with audio codecs and terminology, so it could be that I'm not using the correct words to describe what I want to do. I've attempted to make that clear. I'm using ecamm'...
M. Scott Ford's user avatar
0 votes
0 answers
1k views

How to fix a .mov file in hex editor from Photo Booth crash on OS X?

I was recording a ~4GB video using Photo Booth on OS X. The program terminated for some reason (unsure of whether it was computer sleep or something else). I have a corrupted file of about 4GB in ...
Eric's user avatar
  • 11
1 vote
1 answer
702 views

How can I use Quicktime to record my screen with sound?

I know how to do a screen capture with audio. I already installed Soundflower. I select the output to Soundflower, and I set the setting on my Quicktime. My question is...how can I also listen to ...
Alex's user avatar
  • 2,481
3 votes
2 answers
3k views

Why is QuickTime’s volume significantly softer than VLC’s?

I have a Unibody Macbook running 10.5.5. When I play videos in QuickTime the audio is low even after I raise both the QuickTime volume meter and the system volume meter to the maximum. When I play the ...
hekevintran's user avatar
  • 2,747