Software for the digital recording and reproduction of sound; software for controlling microphones, voting and interaction devices as well as interpreters devices; softwarefor the control of conference rooms; software for audio processing; computers; keyboards; mouses; displays; touch panels; digital and analog interfaces to amplifiers anddirecting ports; digital interfaces to LAN and Internet; slide-in units, plug-in modules; wired as well as wireless connections, in particular by infrared and radio transmission as far as comprised in class 9

Computer programming, in particular programming and rental of software for the simulation and substitution of electroacoustic and electronic components, modules, plug-in modules, interfaces as well as devices of information technology, which, among other can be changed and extended by users