iPod can not support all video and audio formats.

The video formats it supports are: .M4V, .MP4, and .MOV

The audio formats it supports are: AAC, MP3, WAV, and AIFF

So If you want to convert videos to iPod and extract audios from video to iPod, you need to convert videos to the formats that compatible with iPod. This is a tutorial on how to convert video to iPod video and iPod audio on Mac OS X (Tiger and Leopard).

Blow away any previous tools and software you might have installed that you don't need and you think might conflict with getting a good DVD rip. Also blow away any old media files you don't need. This process is fairly heavy on resources so generally the more room you have and the less things that can get in the way, the better.

Software you need:

1. iSkysoft DVD Ripper for Mac (Only $39.00 - Has a Free Trial!)

iSkysoft DVD Ripper for Mac is a powerful DVD to iPod Mac software that can rip DVDs to iPod format with super high quality. It can rip DVD to MP4 format that compatible with iPod on Mac. It can also extract audio from DVD and then convert to iPod audio format files such as AAC, MP3.

2. iTunes (free download)

Step 1, Install and Run DVD Ripper for Mac

You can download it for free:

Intel Version

Power PC Version

To install it, simply mount the .dmg archive by double-clicking it, and copy the application to your applications folder (or wherever you want it).

Step 2, Load DVD movies

Insert your DVD movie into your DVD drive .Click the Load DVD button (Or click the Load IFO button) to load your DVD.

Step 3, Convert DVD to iPod on Mac OS X

If you want to convert videos to iPod format, you need to select the output format as iPod video MPEG-4 (*MP4).

If you want to extract audio from video to iPod, you need to select the output format as AAC or MP3.

You can learn more: How to edit, crop, trim DVD clips and capture pictures on Mac OS X?

Step 4, Transfer video to iPod on Mac

Connect your iPod and start iTunes. Find the file you made above and drag it onto your iPod.

Click add file to library

Open the file in iTunes. Go to video source on top left menu just beneath library.

It won't be on your iPod until you sync - make sure you have the movies box checked in your iPod preferences.

That's it. Enjoy!