Convert amr to sou

What is the difference between .amr and .sou?

Description: An AMR file is an audio file saved in a compressed audio format developed by Ericsson. It is used by many 3G cell phones for voice recordings such as MMS messages. AMR files incorporate the Algebraic Code Excited Linear Prediction (ACELP) algorithm, which is designed to efficiently compress human speech audio.; The .sou file extension is associated with SBStudio II, a music composition and editing program. A .sou file represents a SBStudio II Sound File, which contains audio data used by the software. These files are typically used to store instrument sounds or sound effects that can be integrated into music tracks created within the SBStudio II environment. The format is designed specifically for use with the SBStudio II software, making it a specialized audio file type for music production within this specific program.