This method can convert YouTube FLV video to most of audio formats.

First download YouTube Video to your computer with YouTube video downloader; it is a 100% free YouTube video downloader. With YouTube Video Downloader you can download YouTube video more easy and fast.

Step-by-step Guide: How to get music from YouTube, and convert audio from YouTube.

Step 1: Free download the video to audio converter and save it in your computer, and then run it.

Step 2: Launch the video to MP3 converter and the concise interface is as follows:

Step 3: Click “Add” button to add the FLV file(s) that you download from YouTube website.

And the selected FLV files will be displayed in the main windows list:

Step 4: Click Profile combo-box to select MP3 as the output file.

After selecting certain output format, the right column will show general standard of the format. By clicking certain setting(s), you may specify it. Or just keep all the default setting to get the best output quality. And then you can click Save As button to save them as the appropriate name.

Step 5: Click Browse button to select an output path. Then the MP3 files extracted from FLV video will save to the folder.

Step 6: Click Converter button to start to convert YouTube FLV file to MP3.

OK. You successfully complete to rip the YouTube video to MP3 and extract audio from video with the video to audio converter. And it also supports converting various video formats including MPEG1, MPEG2, MPEG4, WMV, AVI, MP4, 3GP, MOV, RM to popular audio formats such as MP3, WAV, AC3, WMA, M4A, OGG, AAC etc.

Method 1:  How to get audio from YouTube video?