• Part 1 What’s MP3?
• Part 2 How to extract MP3 from DVD on Mac (Lion included)?
• Part 3 How to extract audio from video to MP3 on Mac?

PART 1. WHAT’S MP3?

MP3 stands for MPEG-1 Audio Layer III. It is not a separate format, but a part of MPEG-1 video encoding format, developed by MPEG group in early 1990′s. MPEG-1 Audio Layer III (MP3) is a method to store good quality audio into small files by using psychoacoustics in order to get rid of the data from the audio that most of the humans can’t hear.

Now MP3 is the most popular format for downloading and storing music. MP3 is supported by all computer systems, all portable players (iPod, iPhone, Apple TV, Zune, PSP, PS3, Creative Zen, iRiver, Mobile Phone, PMP, Archos, etc.), all DVD players and some car stereos.

PART 2. HOW TO EXTRACT AUDIO FROM DVD TO MP3 ON MAC OS X?

Sometimes you may want to extract a certain beautiful section of music or dialog from your DVD video file and save them as MP3 files. How can you get the perfect output MP3 music as the originals from DVD movies for burning CD or playing on your computer and portable players? The article then would show you how to finish the Mac DVD to MP3 task step by step.

Software you need: Mac DVD Ripper

iSkysoft DVD Audio Ripper for Mac is an ideal solution of ripping music DVD and converting DVD to MP3 for Mac as well as to other audio file like AAC with excellent quality and super high speed. It lets you choose the audio of any chapters or titles to convert, select DVD audio track, trim the audio of your DVD title or chapter, and even merge the audio from selected titles or chapters into one file. This DVD to MP3 Mac Converter also supports batch conversion, so you can extract several sections of a DVD audio track easily at one time.

Step 1. Import DVD to the Mac DVD to MP3 Converter

Drag & drop DVD disc icon  on the desktop to the Mac DVD to MP3 program. Or go to “File” menu, choose “Load DVD” to locate the DVD movies (including commercial DVDs and homemade DVDs) you want to add.

Step 2. Choose the output format (MP3)

To convert DVD to MP3 Mac, you here need choose “MP3″ from the format list as your output format.

Tip: If you are about to make the beautiful music as your iPhone ringtone, you can use iPhone Ringtone Makerto help you.

Step 3. Start to convert DVD to MP3 on Mac OS X

Start the DVD to MP3 Mac conversion now. After you successfully converted you DVD to MP3 music, you can put them on you iPod, iPhone, or some other MP3 players and take them with you on mobile devices.

PART 3. HOW TO EXTRACT AUDIO FROM VIDEO SUCH AS AVI, WMV, MP4 TO MP3 ON MAC?

Software you need: Video Converter for Mac

iSkysoft Video to Audio Converter for Mac can extract the audio track from your video files to all popular audio formats such as MP3, WAV, AAC, AC3, M4A, etc. with high sound quality.

Step 1.Add Video files you want to convert to the program

Step 2.Choose the output format (MP3)

Step 3. Start the video to MP3 conversion on Mac

Click the Convert button to start the video to MP3 conversion on Mac. This program completes conversions in seconds, and you can convert and play batches of files at a time.