If you want mp3, just tell youtube-dl that: youtube-dl -x –audio-format mp3 https://www.youtube.com/watch?v=uWusmdmc0to will get you an audio version (-x, short for –extract-audio) in or converted to mp3 (that’s the –audio-format option). youtube-dl will automatically pick the best quality and most appropriate format. Note that the listed qualities are just guesses. In practice, opus is … Read more
With FFmpeg the ordering of parameters is significant. All of the parameters that come directly before an input will apply to that input. The same is true for an output… the parameters directly before it apply to the output. Consider this command line: ffmpeg -ss 132 -i input.mp3 output.mp3 -ss is the parameter to seek, … Read more
stereo + stereo → stereo Normal downmix Use the amix filter: ffmpeg -i input0.mp3 -i input1.mp3 -filter_complex amix=inputs=2:duration=longest output.mp3 Or the amerge filter: ffmpeg -i input0.mp3 -i input1.mp3 -filter_complex amerge=inputs=2 -ac 2 output.mp3 Downmix each input into specific output channel Use the amerge and pan filters: ffmpeg -i input0.mp3 -i input1.mp3 -filter_complex “amerge=inputs=2,pan=stereo|c0<c0+c1|c1<c2+c3” output.mp3 mono … Read more
Replace audio ffmpeg -i video.mp4 -i audio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4 The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info. This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the … Read more
You could use this command: ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3 Explanation of the used arguments in this example: -i – input file -vn – Disable video, to make sure no video (including album cover image) is included if the source would be a video file -ar – Set the … Read more