Re-encoding compressed audio or video is a lossy process which will make
it worse as you go. If you're sure you really want to do it and you
don't mind playing around in the terminal, the ffmpeg package can do
this for you pretty easy:
ffmpeg -i sample_iPod.m4v output.mp4
I can't recall if ffmpeg is installed with handbrake or if I installed
it via macports. Anyway, when I tried it on a sample m4v file from Apple
it complained that the AAC decoder was experimental and to enable it I
had to add -strict -2 to the command line. So the command which worked
for me was:
ffmpeg -i sample_iPod.m4v -strict -2 output.mp4
The resulting file was about 25% smaller, but this could be because the
quality was 25% lower, although I couldn't really tell.
CB
On 3/7/14 12:04 AM, Maxwell Ivey wrote:
hi list; i'm wanting to convert my m4v files to mp4 so they will tai up less
room but i'm not finding anything easy. what do you all use. i have audacity
but couldn't find mp4 as an output. i have vlc but it doesn't let me select mp4
even though its there. perhaps there is an online converter instead of
software. I'm open to any suggestions. thanks, max
--
¯\_(ツ)_/¯
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