encode any audio file to a poor bitrate. strip artwork from file. optimize for speed. optimize for size. My goal is to have a bare-bone file encoded in mp3 in the fastest time possible, quality does not matter (even 96kbps or less), it just needs to be extremely fast. ffmpeg.
The -ss option tells FFmpeg to start converting at a specific time in the video, and -t tells it the duration of the audio to convert. In our example, FFmpeg will trim the start at 10 seconds and convert just 5 seconds of audio. Here is the trimmed MP3 file: Changing the speed of the audio. You can speed up or slow down the extracted audio file
Assuming you're trying to convert the output into MP3, you need something that can handle transcoding the audio. There are a number of tools available, but my personal preference is FFmpeg . It's a command line tool so you will need to take that into account, but otherwise it's very easy to use.
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convert wav to mp3 ffmpeg
