Aiseesoft Walkman Video Converter advanced Sony Walkman Video Converter which enables you to convert all popular video(MPG MPEG MPEG 2 VOB DAT MP4 M4V TS RM RMVB WMV ASF MKV AVI 3GP 3G2 FLV SWF MPV MOD TOD QT MOV DV DIF MJPG MJPEG HD video) and audio(AAC AIF AIFF CUE FLAC M4A MP3 MP2 APE OGG AC3 RM RAM AU WAV WMA) files to Walkman 3GP AVI DivX H.264 H.264MPEG-4 AVC MPEG2 MPEG-4 WMV video and M4A MP3 WAV WMA audio formats. Moreover it will bring you much faster converting speed with AMD APP and NVIDIA CUDA technology and it can also support 5.1 channel audio now after upgraded.Key Functions1. Crop and trim This Walkman Video Converter endows you the ability to crop video playing area and frame aspect ratio.2. Add watermark for video Watermark your video by using this Walkman Video Converter in the form of Text or Picture. Advanced settings like the watermark Horizontal Vertical position adjusting its Transparent setting and so forth.3. Audio track and subtitle Provides the solution to select you want audio track and subtitle for more comfortable video enjoyment.4. Merge several videos into one file The Sony Walkman Video Converter software provides an easy way to combine and join multiple videos together. Just select the videos you want to join and check the merge into one file check box you can finish it easily.5. Modify video effect Get your desired video quality by modifying video Brightness Contrast Saturation Hue and Volume. With it you also can apply your modified standard to all the movies.6. Snapshot picture and preview With this Sony Walkman Video Converter it provides the original video preview and output video preview you can see the video effect when you modify it. Once you get one desired movie scene you can take snapshot and saved it as JPEG GIF or BMP formats picture.