Doesn't sound like a Quicktime problem. VLC does't use Quicktime for playback. You can try MPlayerX (which also doesn't rely on QT). What does VLC show for the codec details on the video and audio ...
After demuxing, the m1v file (playing in VLC) will have no sound, since the audio part is in that ac3 file. The AC3 needs to be converted to AIFF or some other format and be pasted into the m1v (and ...
Extracting audio from video files on a Mac is a straightforward process, especially when using the built-in QuickTime Player. Here’s how you can do it efficiently. To start, locate the QuickTime ...
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