Original sentence: DivX's profiles differ from the standardized profiles of the ISO/IEC MPEG-4 international standard.These are sets of MPEG-4 features as determined by DivX.To group the various MPEG-4 options in a different way than what is specified in the MPEG-4 standard itself to create a DivX-specific device certification process for device manufactureres, DivX has defined many profiles
Edited sentence: In an attempt to standardize on the various MPEG-4 options so that device manufactures can participate in device certification, DivX has implemented many profiles.These are simply defined sets of MPEG-4 features