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How to Mux and Demux Video Using MP4Box for Mac - iClarified
https://www.iclarified.com/11343/how-to-mux-and-demux-video-using-mp4box-for-mac#:~:text=.%2FMP4Box%20-add%20%27Original%20Video_track1.mp4%27%20-add%20%27New%20Audio.mp3%27%20%27New,with%20the%20name%20of%20your%20replacement%20audio%20file.
Replace Audio in Video File - Nuendo - Steinberg Forums
https://forums.steinberg.net/t/replace-audio-in-video-file/104056
As a replacement I’ve been using a free program called My MP4box GUI. It can mux together any mp3 or aiff to a mp4. Not a graceful solution but it’s quick enough. It can also do the reverse and demux mp4’s. https://www.videohelp.com/software/My-MP4Box-GUI. Id certainly like to see this feature back in Nuendo though.
replacing (and syncing) an audio track of an MP4 video ...
https://forum.videohelp.com/threads/381715-replacing-(and-syncing)-an-audio-track-of-an-MP4-video-file
replacing (and syncing) an audio track of an MP4 video file • Take your video clip, and extract the audio track from it by dragging and dropping the file into Pazera Export that as... • Take your mp3 audio track and drag and drop that into Pazera. Export that as a 48KHz .wav file • Open the track ...
Syntax for using MP4box command line to name & swap …
https://github.com/gpac/gpac/issues/950
Set lang for audio track 1 and 2 to vie; Name the audio track 1 & 2; Swap the audio tracks from 1 to 2 and 2 to 1; After reading the doc, this is what tried and unsuccessfully. MP4box.exe input.mp4 -out output.mp4 -lang 2=vie -lang 3=vie -name 2=“vocal on” -name 3=“vocal off” -swap-track-id 2:3,3:2. Thank you for helping. Thank you
How to Mux and Demux Video Using MP4Box for Mac - iClarified
https://www.iclarified.com/11343/how-to-mux-and-demux-video-using-mp4box-for-mac
You may want to do this if you wish to replace the audio track of a video or movie without re-encoding. Step One Download MP4Box from here to your Desktop. It will be called "Pre-Compiled MP4Box ...
mp4box man page - gpac - General Commands | ManKier
https://www.mankier.com/1/mp4box
Add an SRT subtitle file into an MP4 file: mp4box -add input_subs.srt:lang=eng -add input.mp4 output.mp4; Combine audio from one file and video from another: mp4box -add input1.mp4#audio -add input2.mp4#video output.mp4; tldr.sh. Synopsis. MP4Box [options] [file] [options] General Options
Add Audio to Video, add or replace background music in ...
https://www.onlineconverter.com/add-audio-to-video
Replace Audio in Video, old audio in video will be removed. Keep Audio in Video, add new audio to the video as background music. Select a video file (such as *.mp4, *.mkv, *.avi, *.wmv, *.flv, *.mov, *.vob, *.3gp, *.rmvb, *.mts, *.m2ts, *.rm, *.divx, *.asf, *.webm and more). Select a audio file (such as *.mp3, *.wav, *.midi or *.wma).
Demuxing audio tracks from .mp4 using mp4box - Stack …
https://stackoverflow.com/questions/34337545/demuxing-audio-tracks-from-mp4-using-mp4box
The audio tracks are encoded using the ALAC codec. I want to extract those using mp4box. What I've tryed so far for extracting a track is this: mp4box -single 1 "inputfile.mp4" -out "outputfile.m4a". What happens is, it works as that a outputfile.m4a is created, but something with the header/codec/file info seems to be malformated.
How to add an additional Sound track to an existing …
https://askubuntu.com/questions/317739/how-to-add-an-additional-sound-track-to-an-existing-video
you can use Yamb for editing mp4, which is like mkvmerge GUI but then for mp4box. or you can use MACHETE to edit MP4 files using a GUI to add / replace audio can also edit the video with it and edit other formats like MKV with it but its not free it costs $19.00. Share. Improve this answer.
Replace audio in video without reencoding - Cockos ...
https://forums.cockos.com/showthread.php?t=96855
For muxing audio tracks in to existing videos, replacing the audio track that's already there : If you've got an AVI, you can use VirtualDub. If it's a Quicktime, you can use Quicktime Pro and probably some other apps out there, since virtually all post productions in the world use Quicktime.
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