Powerful Put and Play videos to New iPhone 4 on Mac or PC The wait is finally over. Apple's new iPhone 4 hits Australian, Canada, New Zealand, etc shelves now. Do you get your cool iPhone 4 with a remarkable 3.5 inch 960*640 resolution screen? Are you too impatient to wait playing your favorite video collections n PC or Mac on iPhone 4 with 720p high quality? If you have, and if you want to put kinds of videos like TiVo, FLV, F4V, AVI, EVO, AVCHD, etc to iPhone 4 for enjoyment, I can help you to make it happen. Let's know in what situation should you convert/transcode videos to iPhone 4? If your videos are not H.264, MPEG4, AAC encoded MP4, MOV, M4V format, you'll have to. If your videos are over 720p, you'll have to. The iPhone 4 can't play other video format and anything with higher resolution. If you want to enjoy content of different formats like TiVo, FLV, F4V, AVI, EVO, AVCHD, MKV, M2TS, VOB, WMV, MOD, Divx, Xvid, etc in iPhone 4, you can use an application like Aunsoft iPhone 4 Video Converter (For Mac: iPhone 4 Video Converter for Mac) to convert and transcode these videos into iPhone 4 workable H.264 (*.mp4), MPEG4 (*.mp4) format. If you want to watch movies over 720p in iPhone 4 widescreen with maximum display, you can also convert/transcode your videos into the iPhone 4's retina screen natively supports: 960 by 640 pixels. Of course, when you transcode a 1080p, 1080i movies, you will take them all the way down to 960 by 640 pixels or 720p (1280 by 720 pixels) or less resolution with a noticeable drop in quality. In Aunsoft iPhone 4 Video Converter, there is a function of presetting parameters of output format (iPhone 4 MPEG-4 640*480 (*.mp4), iPhone 4 H.264 720p (*.mp4) by clicking "Settings" section, you can adjust the size (resolution), bitrate, frame rate, sample rate, etc for better your output videos with minimum quality losses. You can also use the default settings it prepared for you, for it has tested to be the nice sweet settings, which can play just fine on your iPhone 4. If your videos are in 4:3 letterbox aspect ratio and you want to zoom into full screen, you can also use Cropping function in Editor window to cut off the black tops and bottoms from the videos. The image will be some or less stretched, but checking the box of "Keep Original Aspect Ratio" can help you stretch while preserving aspect ratio with good quality and no letterboxing (black areas). Then make video to iPhone 4 conversion, after that, you can load yourconverted videos into your iPhone 4 for playing.