Audio amplifiers; audio apparatus; sound mixing apparatus; sound recording apparatus; sound reproduction apparatus; sound transmitting apparatus; boom poles for sound transmission apparatus; microphone cables; personal headphones for sound transmitting apparatuses; audio digitisers; audio devices and radio receivers; sound processors; audio interfaces; acoustic membranes used in sound recording or reproducing apparatus; microphones; sound level meters; audio mixers;, microphone mixers; analog...

computer software for the browsing, classification, and retrieval of digital audio that is stored on computer disks, in databases, and in web sites