FFmpeg: Extract Audio from Video, Edit and Reinsert

FFmpeg notes (including FFmpeg install): https://www.rickmakes.com/ffmpeg-notes/

FFmpeg playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZOPDZ71Khzt5PX4X4j6flkg

FFmpeg mapping inputs to outputs: https://trac.ffmpeg.org/wiki/Map

View Video Settings
ffprobe noisy_audio.mov
Extract Audio Track as WAV Format
ffmpeg -i noisy_audio.mov -vn noisy_audio.wav

Modify audio file in software like Audacity. In my case, I added a reverb to the whole file.

Create a New Movie with Original Video and Newly Edited Audio
ffmpeg -i noisy_audio.mov -i noisy_audio_reverb.wav -vcodec copy -map 0:v:0 -map 1:a:0 -acodec aac noisy_audio_reverb.mp4

FFmpeg: Add Background Image to an Audio File

FFmpeg notes (including FFmpeg install): https://www.rickmakes.com/ffmpeg-notes/

FFmpeg playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZOPDZ71Khzt5PX4X4j6flkg

View Video Settings
ffprobe train_whistle.mp4
Add Background Image to an Audio File
ffmpeg -loop 1 -f image2 -i airplane.jpg -i train_whistle_audio.aac -vf crop=in_w:in_w*9/16,scale=1920:1080,fps=fps=30 -pix_fmt yuv420p -vcodec libx264 -shortest train_whistle_airplane.mp4

FFmpeg: Add Solid Color Background to an Audio File

FFmpeg notes (including FFmpeg install): https://www.rickmakes.com/ffmpeg-notes/

FFmpeg playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZOPDZ71Khzt5PX4X4j6flkg

FFmpeg Color Notes:

https://ffmpeg.org/ffmpeg-utils.html#Color

View Video Settings
ffprobe train_whistle.mp4
Add Solid Color Background to Audio File
ffmpeg -i train_whistle_audio.m4a -f lavfi -i color=c=blue:s=640x480:r=15 -acodec copy -shortest train_whistle_blue_background.mp4

FFmpeg: Extract Video/Remove Audio from a Video File

FFmpeg notes (including FFmpeg install): https://www.rickmakes.com/ffmpeg-notes/

FFmpeg playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZOPDZ71Khzt5PX4X4j6flkg

View Video Settings
ffprobe train_whistle.mp4
Extract Video/Remove Audio
ffmpeg -i train_whistle.mp4 -vcodec copy -an train_whistle_no_audio.mp4