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(FFmpeg) How to Mix Additional Audio into a Video? - John ...
http://johnriselvato.com/ffmpeg-how-to-mix-additional-audio-into-a-video/
April 15, 2020. By: jdriselvato. Tags: FFmpeg. Adding an additional audio source on top of the audio already in a video can be accomplished with the amix filter. This might be useful for adding background music to a commentary video. The command is as follows: $ ffmpeg -i input.mp4 -i input.mp3 -filter_complex "amix" -map 0:v -map 0:a -map 1:a output.mp4.
How to merge audio and video file in ffmpeg - Super User
https://superuser.com/questions/277642/how-to-merge-audio-and-video-file-in-ffmpeg
Open command promt ( windows + R -> Cmd + Enter ). Then go to inside the folder where you have audio and video file. Apply this command: ffmpeg -i "videoFile.mp4" -i "audioFile.mp3" -shortest outPutFile.mp4. You will get a new file named outPutFile.mp4 (a merged file of audio and video) Share. Improve this answer.
ffmpeg - Loop and mix audio on video - Video Production ...
https://video.stackexchange.com/questions/17195/loop-and-mix-audio-on-video
It works if you mix audio separately. ffmpeg -y -i test.mp4 \ -f lavfi -i amovie=bg_sound.mp3:loop=55555 \ -filter_complex " [0:a] [1:a]amerge, \ pan=stereo|c0=0.5*c0+0.5*c2|c1=0.5*c1+0.5*c3" \ output.flac. Share. Improve this answer. Follow this answer to receive notifications.
ffmpeg concat video and mix audio - 简书
https://www.jianshu.com/p/0109e53fafd5
ffmpeg concat video and mix audio 需求. 将N个片段视频文件连接，并合并额外的音频文件. 解决方案： 在ffmpeg中，官网给出两种连接媒体文件(音频、视频、etc..)的解决方案。. the concat "demuxer" the concat "protocol"
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