Well, you can convert video to audio format with professional video converter software. Here's a good one
How to convert video to audio format
The video converter software is easy to use, just few mouse clicks and you can convert your video files to audio format. You can then enjoy them on your devices like mp3 player.
The video converter software can convert any videos such as avi, mp4, mov, wmv, asf, mkv, avchd to audio format, such as mp3, wav, ac3, wma, etc.
More information
How to convert AVCHD videos to mp4 format
Best video converter for Windows 10
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