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I'm still new to this so wait for others to confirm my results.

I suspect if my DVD source would have been lossless, the extract audio would also have been lossless using MKVToolNix. My VOB (dvd source) had lossy compression and the extracted audio had lossy compression as well. "Lossy" loses a very small bit of information. Now that you know the original audio format, you can use the following methods to extract audio from the video without re-encoding: ffmpeg -i myvideo.mp4 -vn -acodec copy audio.ogg. Internet research says "lossless" format is what you want. Replace myvideo.mp4 With video file name / path, and audio.ogg And the name and extension to be used for the audio output file name.

Using Mediainfo., I compared the audio information for the video and audio files separately and they look 100% identical. Now that you know the original audio format, you can use the following methods to extract audio from the video without re-encoding: ffmpeg -i myvideo.mp4 -vn -acodec copy audio.ogg.

I bought the software from and it has Windows Media Player 圆4 included, if there a 圆4 version of Windows Media Player, where I can get its standalone installer for Win10 1803?Ĭheers. Most of videos are in mp4 format, but I also have some vob and web video format as well? There are so many many software around to convert or extract audio from video files.īut I need the one which DOES NOT convert at all, and just extract the exact same audio from video file WITHOUT quality loss!