Sound or audio data transmitting apparatus and devices, namely, telecommunication machines, apparatus and their parts and electronic machines, apparatus and their parts, all for transmitting sound and audio data; speaker systems primarily consisting of audio speakers; loudspeakers; microphones; amplifiers; stereo receivers; radio tuners; tape recorders; head-phones; pick-ups; audio mixers; echo units, namely echo sounders; audio equalizers; digital and analog time delay units as sound equipments; audio level compressors; audio level limiters; audio and sound noise reduction units and converters, both for telecommunication machines, apparatus and their parts and for electronic machines, electronic apparatus and their parts; information processors, namely, data processors and digital signal processors; blank optical disks; magnetic recording tapes, namely, blank magnetic tapes for tape recorders; sound or image recording apparatus; sound or image reproduction apparatus; broadcasting machines and apparatus, namely, cable broadcast transmission machine and apparatuses; telecommunication machines, apparatus and their parts, namely, audio and signal processors, digital/analog converters, computer-controlled system connectable with LAN and primarily consisting of a digital data receiver, digital/ analog converter and an amplifier, electrical controllers for sound reproduction apparatus, electronic and optical telecommunications instruments and components, namely, optical transmitters, optical receivers, digital transmitters and digital receivers; electronic machines, apparatus and their parts, namely, computer peripherals, computer-connectable system primarily comprising computers for inputting, converting and outputting digital and analog audiosignals, computer hardware for telecommunications, computer interface board and computer network adapters; parts for telecommunication machines that record, edit, transmit and reproduce sound, namely, computer programs for recording, editing, transmitting and reproducing sound