Audio and video recordings featuring music and artistic performances; Audio processing equipment, namely, limiters and compressors; Computer hardware for communicating audio, video and data between computers via a global computer network, wide-area computer networks, and peer-to-peer computer networks; Computer software for controlling the operation of audio and video devices; Computer software for manipulating digital audio information for use in audio media applications; Computer software for use in the encryption and decryption of digital files, including audio, video, text, binary, still images, graphics and multimedia files; Computer software to control and improve computer and audio equipment sound quality; Computer software to enhance the audio-visual capabilities of multimedia applications, namely, for the integration of text, audio, graphics, still images and moving pictures; Digital audio and video recorders and players; Digital audio players; Distribution amplifiers for audio and video signals; Electric audio playback units; Electronic interconnecters for audio and video signals; Interactive, motion sensitive electronic announcer for recording and playback of an audio message or instruction; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Portable handheld electronic digital video messengers for recording, storage, transmission or reproduction of visual, audio and data content; Software to control and improve audio equipment sound quality