How to rip DVD to AVI on Mac
DVD to AVI Ripper for Mac can rip DVD to AVI video, it also can rip DVD to all the other video and audio formats including MPEG, MPG, MKV, MP4, WMV, MOV, FLV, M4V, MP3, MKA, AIFF, WMA, M4A, AC3, AAC, WAV, OGG, etc on Mac OS X.
Here is a step-by-step guide to rip DVD to AVI on Mac OS X.
Step 1: Free download and install DVD to AVI Ripper for Mac
To install it, simply mount the .dmg archive by double-clicking it, and copy the application to your applications folder (or wherever you want).
Step 2: Load DVD to convert to AVI video
Insert DVD into your DVD-ROM. Click "Load DVD" button to load your DVD. Just Click "Load IFO" button and press DVD folder or DVD IFO file.

Step 3: Select AVI as output format
Use the “format” on the bottom of the window to control the output format. Click on the toggle to the right of the "Format" label to get format drop-down menu.

Step 4: Change AVI Video and audio Settings
You can change the Resolution, Encoder, Bit rate and Frame rate of the AVI video and Sample Rate, Channels, Encoder and Bit Rate of the AVI Audio. The size of the AVI file depends a lot on these settings.
Step 5: Click "Start" to Rip DVD to AVI on Mac.
If you want to trim, crop, capture screen picture, merge several video clips on to one file and more editing, please go to how to edit videos with DVD to AVI Ripper on Mac.
What's AVI?
AVI stands for. AVI is known as one of the most popular video formats nowadays. In fact, AVI was first introduced to the world by Microsoft in November 1992 as a multimedia format, part of Microsoft Video for Windows technology. AVI files can contain audio data and video data, which are interleaved for the playback. The resolution of AVI video varies from 640*480 to 160*120, keeping a 4:3 ratio.
The video quality of AVI file is usually better. And AVI format is widely supported on a vast range of operating systems and devices. The disadvantage of AVI is that the compression standard is not universal. Different compression standard can cause failure while playing an AVI file compressed in early standard on the newest windows media player. An AVI file that contains the same time span of video always takes larger storage space.

