From WinXMedia Software:
WinXMedia AVI/WMV PSP Converter is a powerful and easy-to-use PSP MP4 video converter. With it, you can convert AVI(DivX, XviD, MPEG-4, YUV), MPEG1 MPEG2 WMV ASF video to PSP MP4 video files and play them in your Sony PSP. Its' operation is simple, intuitive and very easy. Converts AVI (DivX, XviD, MPEG4, YUV) to PSP MP4 video. The features are the following: Converts MPEG1(mpg,mpeg,mpa,dat) to PSP MP4 video Converts MPEG2(mpg,mpeg,vob) to PSP MP4 video Converts WMV to PSP MP4 video Converts ASF to PSP MP4 video Converts MP2 MP3 AAC WAVE to PSP MP4 audio Splits large files to multi-volumes Offers a video player to previews and select video Monitors the converting process in video mode. Can convert batch video files of various types in one time. Supports select a section of video to convert, by setting start point and duration.
Version 3.01 improves conversion quality, supports more codecs.