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MP4Box problems with AC3 using command line - VideoHelp
https://forum.videohelp.com/threads/316396-MP4Box-problems-with-AC3-using-command-line#:~:text=MP4Box.exe%20-add%20%22c%3Atempfile.mp4%231%22%20-add%20file.ac3%20outputfile.mp4%20Note%20that,This%20is%20what%20I%20get%20on%20the%20output%3A
MP4Box problems with AC3 using command line - VideoHelp
https://forum.videohelp.com/threads/316396-MP4Box-problems-with-AC3-using-command-line
MP4Box.exe -add "c:\temp\file.mp4#1" -add file.ac3 outputfile.mp4. Note that this is the exact syntax that Yamb gave me in the log. This is what I get on the output: IsoMedia import - track ID 1 - Video (size 720 x 400) Unknown input file type. Unknown input file type.
Adding subtitles and audio tracks to an MP4 video with …
https://gist.github.com/jamiew/5110703
# Add subtitle track: MP4Box -add minecraft_uncut.srt:lang=eng:layout=0x60x0x-1:group=2:hdlr= " sbtl:tx3g " Minecraft2_mobile.mp4 # Add audio track # 1. doesnt work in quicktime/itunes: MP4Box -add commentary_audio.aac Minecraft2_mobile.mp4 # 2. supposed to work in quicktime/itunes but doesn't seem to; :name at least is definitely not supported
How to alter the Audio Language of tracks in MP4 files ...
https://www.floyd.dk/2016/02/01/how-to-alter-the-audio-language-of-tracks-in-mp4-files-m4v/
AC3 stream – Sample Rate 48000 – 2 channel(s) – bitrate 192000 Alternate Group ID 1. 3. To change the language use the following command: mp4box – lang 2=Eng name.of.my.file.m4v. This will alter the language of track 2 to “English”. You can either use the short form “Eng” or the full “English” when setting the language.
Bernd's blog: How to merge MPEG4 with AC3 audio
https://berndporr.blogspot.com/2011/11/how-to-merge-mpeg4-with-ac3-audio.html
MP4Box -raw 1 attr_2_resiliance03_sonyavc.mp4 assuming that stream 1 contains your H264. Merge with AC3 audio: MP4Box -add attr_2_resiliance03_sonyavc_track1.h264 -add attr_2_resiliance03.ac3 merged.mp4; That's it. And it's even streamable for flash. Update: this bug only shows up if the audio rate is higher than 192kbit/sec.
How to add audio tracks to an MP4 video file without re ...
https://www.youtube.com/watch?v=Rl9NyoB1UOk
In this video I explain how to add an audio track to an MP4 file without the need to re-encode, this means the original quality of your video will be preser...
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