DV Squeeze to 640x480
Squeeze 720x480 (0.9 px ratio) to 640x480 (1 px ratio)
This process is used for two reasons:
1. We will squeeze DV pixels to square pixels for internet use
2. We will upres later to a 1280x720
By this point you should make sure your footage is true progressive (no interlace frames). You can check this by importing the clip in FCP and scrubbing frame by frame.
Open Compressor before we import any clips we will add a new settings for our purpose.
In your settings window click on add a custom setting

click on QuickTime Movie

You will see a new "untitled QuickTime Movie" in your custom folder.

In the inspector window we will change some settings.

Start off by naming your settings we will use "squeeze". Under the Encoder tab click on "video settings". This is where you will select the out put of your video. We use Apple ProRes422, so our out put will look like this. Make sure the frame rate is 23.98fps.

Now select the geometry tab button (
). Under this tab we will select the size we want.

Also make sure that the pixel aspect is square.
So under the summary tab you should have some thing like this:

Now we are ready to import the clips. In your main window drag the clips you want to squeeze. With all clips highlighted click and drag your setting.

All the clips will have the setting applied to them. Make sure you rename your clips. With all clips selected go to the target menu and select destination, other and select your folder where you want to store the new squeezed clips.

Once this is done you can check the size and frame rate in QuickTime
Before:

After:

This footage is ready to go for web use or for upres.

