How to extract mp3 from YouTube video on Mac

There is no doubt that sources from YouTube, Google, Myspace, Yahoo are filled with musicvideo that you maybe would like to have without needing to go online and get rid of the video to enjoy it. YouTube and similar video sharing site use the Macromedia Flash video format (FLV).

The audio within the file is already MP3, although compressed as VBR MP3 for better streaming. The sampling frequency of these files is generally 22kHz, which is quite a bit lower than CD audio's 44.1kHz. Even so, some videos on these sites, posted by normal users, have audio you simply cannot get elsewhere.

So how to extract the audio from FLV video on Mac OS X? First you need to download YouTube video, Google video, etc for Mac and then convert the video to mp3, aac, wma, mkv, m4a etc on Mac OS X.

Free Download YouTube FLV video on Mac

Many ways for you to download and copy YouTube video on Mac.

1. Try Wondershare Free YouTube downloader for Mac that 100% FREE download and manage YouTube videos.

2. Use online websites such as Keepvid.com.

3. Firefox add-ons. Video Downloadhelper is a firefox add-ons to downloade online videos.

Extract audio from YouTube on Mac OS X

After downloading YouTube videos, you need a converter to rip audio from YouTube video. Wondershare YouTube to mp3 Converter could extract MP3, AAC, M4V, WMA, etc from YouTube videos. As a Mac YouTube converter, it not only can split mp3 from YouTube video on Mac, but also can convert YouTube FLV video to other video formats like MP4, MOV, WMV, AVI, etc.

Step 1: Download YouTube to MP3 Converter for Mac and add downloaded FLV video files.

Step 2: Choose MP3 as output format to extract mp3 from YouTube video.

Last Step: Click "Start" to convert YouTube video to MP3 on Mac OS X.

After the downloading and conversion on FLV videos, you can play the audio in iPod (including new iPod Shuffle small talk), iPhone 3G, PSP, MP3/MP4 player, Mobile Phone, iTunes, QuickTime and so on.

Related Tutorials - How to extract audio from DVD, video clips and burn music CD on Mac.