WonderShare DVD Slideshow Builder projects (*.dsb) can be exported to several multimedia formats, including the 3GP for wireless networks. Most likely the only way how DSB files can be converted.
Convert WonderShare DVD Slideshow Builder project file to Multimedia files for wireless networks.
We found one software available in the database for this conversion.
Microsoft Windows software - convert dsb to 3gp on Windows
A program for making DVD photo slideshows
Convert from dsb file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.