12/27/2023 0 Comments Extract audio from video androidPhoto by Stas Knop on How to Replace Audio in a Video using FFMpeg? q:a uses quality presents defined in LAME’s documentation ranging from 0-6 where 0 is high-quality audio and 6 is on the lower end. ffmpeg.exe -i videoWithAudio.mp4 -vn -c:a libmp3lame -q:a 1 onlyAudio.mp3 Here’s how to extract the audio from the video using FFmpeg and then encoding it to a different quality level using libmp3lame and storing it as an mp3 file. Now, let’s take a different use case where you might want to re-encode the audio after extracting it. ffmpeg -i videoWithAudio.mp4 -vn -acodec copy onlyAudio.aac This is done using the -acodec copy command that tells FFmpeg to only copy the audio and not re-encode it. Then, all you have to do is copy the audio from the source to the destination. The -vn command is similar to the -an command which removes the audio track. In the first case, let’s take a look at extracting the audio out of a media file and storing it without re-encoding it.Įxtracting the audio involves discarding the video, right? And this is easily achieved using the -vn command that removes the video. You can do this with and without re-encoding the audio. How to Extract Audio from Video using FFMpeg?Īnother very useful and common operation is extracting audio from video using FFmpeg. Related: HLS Packaging using FFmpeg - Easy Step-by-Step Tutorial If you want to re-encode, you can use the appropriate audio/video codecs with your choice of quality settings.
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