Mayhem Fm Born to be connected to Pi Mayhem. We give you the sounds from in hi res audio. Hi res audio is invented by Sony Music Entertainment and is a part of the new audio engineering.In 2014 the Japan Electronics and Information Technology Industries Association (JEITA) announced a specification and accompanying "Hi-Res AUDIO" logo for consumer audio products.Sony reaffirmed its commitment towards the development in the high-resolution audio segment by offering a slew of Hi-Res Audio products