How to Convert MP4 to MP3 on Mac OS X?

Aiseesoft MP4 to MP3 Converter Mac is the best software to Convert MP4 to MP3 for Mac os x with super fast conversion speed and excellent output quality. It can convert itunes mp4, m4v movie files to music mp3 files but also can convert mp4 files in any codec such as AVI, MPEG4, H264 to MP3 music format.This MP4 to MP3 Converter Mac works perfectly for all the portalbe device Players such as iPhone, iPod, Sansa, Sony Walkman, Creative Zen, Apple TV, Nokia, PSP, Zune and so on. With the powerful editing functions of the best MP4 to MP3 converter for Mac, you can set audio sample rate, audio bitrate, frame rate and save as your own Profiles. Also you can trim a part of your file, and join them into a single one.MP4 to MP3 Converter Mac,iSkysoft MP4 to MP3 Mac,Xilisoft MP4 Converter for Mac,iMacsoft MP4 to MP3 for MacHere is a tutorial for you to learn step by step.1. Convert any video to MP3 format for MacVideo MP4 to MP3 Converter for Mac can convert almost all the popular video format MPG, MPEG, MPEG 2, VOB, DAT, MP4, M4V, TS, RM, RMVB, WMV, ASF, MKV, AVI, 3GP, 3G2, FLV, SWF, MPV, MOD, TOD, QT, MOV, DV, DIF, MJPG, MJPEG and HD video to all the portable devices supported Audio MP3 formats.2. Capture video clipsClick "Trim" button on the top of the main interface to open the edit window. You can get any time-length clips from your source video exactly or casually.3. Customize output parametersClick "Settings" button on the bottom of the window to open the Settings window. You can adjust output Audio Encoder, Sample Rate, Channels, Audio Bitrate. For the well-customized profile, save as the “User-Defined” profile for your later direct use.4. Join several files into a single oneCheck the "Merge into one file" option to merge several separated files into one file for you to enjoy it successively.Done! Enjoy your MP3 movies with your friends now! all of you can experience this powerful dvd software easily!!! Try it !