Creating video or audio clips using ffmpeg

ffmpeg clip audio interval with starting and end time

Cut part from video file from start position to end position with FFmpeg

Using ffmpeg to cut up video

Convert video format without re-encoding
ffmpeg -i input.m2ts -c:v copy -c:a aac -strict experimental -b:a 128k output.mp4

Replacing audio in a video

Replacing video audio using ffmpeg

Create a single image video (for audio clips uploaded to Youtube)

Combine one image + one audio file to make one video using FFmpeg