From YLS Software:
APE2AMR enables you convert APE to AMR Audio. The Adaptive Multi-Rate (AMR or AMR-NB) audio codec is a audio data compression scheme optimized for speech coding. Now you can enjoy the versatile audios on your AMR Player wherever and whenever. Simple settings, high speed, and friendly interface. Converting in batches, convert multiple files at one time; It is very easy to use without any special setting, only a few clicks complete the task of convert audio; It can detect your hardware configuration and decide an optimized convert scheme automatically; Provide greater than 300% converting speed by multithreading, so fast beyond your imagination; Both multithreading and batch conversion supported; Automatically shutdown the computer after conversion.