Electrical apparatus for recording, transmission and replay of sound and picture; computer and data processing apparatus including software therefore; data input and output equipment, machine readable data carriers, namely, magnetic tapes, magnetic tape cassettes and storage disks, compact disks, hard disks, removable hard disks, optical storage disks, namely CD-ROMs and multiple overwritable and erasable CD-ROMs, CD-Rs, CD-RWs, DVDs; programmed mechanical data carriers of all kind, namely, with programs to copy, erase, manage compress, de-compress and restore data, with programs to read, inscribe and erase readable and inscribable data carriers, namely, overwritable compact disks, magnetic disks and hard disks, including the pertaining user surface; with programs to make CD recordings CD-R recordings CD-RW recordings, DVD-recordings; with programs to prepare mechanical data carriers, namely, for formatting mechanical data carriers for subsequent describing with data; data processing programs and software, namely software to copy, erase, administer, compress, decompress and restore data, software to read, describe and erase readable and writeable and rewriteable data carriers, namely, compact discs, magnetic discs, hard drives including the pertaining user surface, software to control CD-Recorders, CD-R-Recorders CD-RW Recorders, DVD-Recorders; software for preparing mechanical data carriers, namely to format the data carriers for subsequent inscription thereof with data; Software, namely BIOS-, operation system and application software, namely software for audio and video recording and playback; software to emulate telecommunication functions, including telephone, telefax, short notes (SMS), paging, electronic posting and e-mail for the use in computers, televisions, set top boxes and data carrier networks; software for the configuration, monitoring administration, securing and operation of data carrier networks; software to transfer data between components of data carrier networks including AD/DA transfer, data compression, monitoring of mistakes and corrections, authentication, encoding and decoding; software to ward off viruses and hacker attacks, namely firewalls; software to store and archive data; software for translation; data banks