0231[Fn]+[名無しさん]垢版 | 大砲2020/04/02(木) 14:04:38.36ID:nsBIRBAI How to cut a video and audio file from 00:15 to 01:00. ffmpeg -ss 15 -i "input.webm" -t 45 -c copy "output.webm" from 01:30 to end ffmpeg -ss 90 -i "input.mp3" -c copy "output.mp3"