Key functions: 1. Aiseesoft iPhone 4 Movie Converter can easily convert videos for iPhone 4/iPod/Apple TV MPEG-4, H.264/MPEG-4 AVC, MOV, M4V video formats with high speed and great image/sound quality. 2. This iPhone 4 converter enables you to extract AAC, MP3, WAV, AIFF, M4A audio files from movie to iPhone 4 with high speed and excellent sound quality. 3. Using Aiseesoft iPhone 4 Movie Converter, you are able to convert one file to different formats simultaneously, or convert several files to different formats at the same time. 4. This software allows you to remove black edge of your movie and get any playing area of the video by using its "Crop" function. You can also select the "Zoom" mode to adjust your video to get perfect aspect ratio for your portable player. It can easily merge several video pieces together as a whole one and watermark your video in the form of a text/image. 5. You can easily set Video Encoder, Resolution, Frame Rate, Video Bitrate; and Audio Sample Rate, Channels, Audio Bitrate, to get ideal output video or audio files.