NARU Natural-gradient AutoRegressive Unlossy audio compressor THIS IS AN EXPERIMENTAL CODEC. CURRENTLY SUPPORTS 16-bit/sample WAV FILE ONLY. How to build Requirement CMake >= 3.15 Build NARU Codec git clone https://github.com/aikiriao/NARU.git cd NARU/tools/naru_codec cmake -B build cmake --build build Usage NARU Codec Encode ./naru -e INPUT.wav OUTPUT.nar you can change compression mode by -m option. Following example encoding in maximum compression (but slow) option. ./naru -e -m 4 INPUT.wav OUTPUT.nar Decode ./naru -d INPUT.nar OUTPUT.wav License MIT