c# extract mp3 file from mp4 file
问题 is there any easy way of extracting a mp3 file from a mp4 file? I've already tried to change the file extension, but that won't let me to edit the mp3 description. thank you! 回答1: Use Xabe.FFmpeg. It's free (non-commercial use), has public repository on GitHub, cross-platform (written in .NET Standard). Extracting mp3 from mp4 just by 3 lines: string output = Path.ChangeExtension(Path.GetTempFileName(), FileExtensions.Mp3); IConversionResult result = await Conversion.ExtractAudio(Resources