4Videosoft Walkman Video Converter - Version 4.0.02 4Videosoft Walkman Video Converter is the professional Sony Walkman Converter designed to convert all video to MP4, MP4 AVC(.mp4)video and MP3, M4A, WAV, WMA audio for all the Sony Walkman players like Sony Ericsson Walkman phone, Walkman Bean, Walkman Buzz, Walkman Fitness, Sony XPERIA, even PSP, PS3, etc. Moreover, it is newly updated to support 6X faster conversion speed with NVIDIA CUDA.