I've got a 4-bit WAV that's resisting my attempts to decode. I've tried uLAW, aLAW, and VOX ADPCM without luck. I've also tried to open it with the proprietary X-Box ADPCM and Dreamcast CDI ADX ...

I recently got a voice recorder that saves audio as IMA ADPCM wav files. I am trying to encode the m in to mp3. As I understand it, IMA ADPCM wav files are some sort of compressed wav file, so most ...