9 Apparatus for recording, transmission, enhancement or reproduction of sound or images, in particular, apparatus for the sound source separation, the control of selective audio enhancement, noise reduction and sound enhancement; blank magnetic data carriers in the nature of recording discs; data processing equipment, namely, computers; computer software for 3D audio and audio enhancement software for content enhancement, spatial effects, playback optimisation and positional 3D audio; computer hardware and software for sound source separation, control of selective audio enhancement, noise reduction and sound enhancement on devices, in particular, mobile telephones, smartphones, tablets, TVs, portable music players, portable navigation devices, headphones, headsets, telecommunication devices, infotainment system devices and personal digital assistants PDA; computer hardware and software for sound enhancement and reinforcement, processing, reproducing, synchronizing, recording, organizing, downloading, uploading, transmitting, streaming, receiving and playback of audio, video and data files; audio control systems composed of mobile telephones, smartphones, tablets, TVs, portable music players, portable navigation devices, headphones, headsets, telecommunication devices, infotainment system devices, personal digital assistants, remote controls, PDA and software for audio control and audio enhancement software for content enhancement, spatial effects, playback optimization, positional 3D audio and multi-room playback