2.Add files you would like to convert by click "Add Files ".
3.Click "Settings" to open the Settings window.
In the Video Settings, you can select Encoder, Frame Rate, Resolution and Video Bitrate to convert your movie.
In the Audio Settings, you can select Encoder, Channels, Bitrate and Sample Rate to convert your movie.
4.Select the output format for your video by pressing "Profile" button.
5.Click "Browse" to specify a location on your computer to save the converted movie.
Some other functions supported by the MP4 to iPod Touch Converter.
1).Set movie effect.
Click "Effect" to open the Effect window to adjust the brightness, contrast and saturation of video and volume of the audio.
2).Cut your movie.
Click "Trim" to open the Trim window.
Enter the start time in the " Set Start Time" box and click OK, then enter the end time in the " Set End Time" box and click OK.
3).Crop movies.
Clicke "Crop" to open the Crop window.
Select a crop mode in the Crop Mode drop-down list and click OK to save the crop.
6.Click 
to start conversion.
Key Features:
1. Set output video and audio parameters.
Detailed video and audio settings are provided by this MKV to WAV Converter software for you to adjust, such as Resolution, Video Bitrate, Frame Rate, Sample Rate..
2. Fastest Conversion Speed.
Provide the fastest conversion speed (>400%).
3.Easy to use
It is very easy to use MP4 to iPod Touch Converter. With just a few pinches or taps of your finger to finish the process of conversion.