Public address systems; sound reproduction apparatus; loudspeakers; cabinets for loudspeakers; inline assemblies comprising a plurality of audio speakers and/or loudspeakers; component parts of audio speakers and loudspeakers; components of audio speakers and loudspeakers; electronic servo devices and circuits for controlling speakers; simulation, management, programming and/or measurement software for optimizing the installation of speakers and loudspeakers, for controlling and programming speakers and loudspeakers

'address':2 'and/or':19,45 'apparatus':6 'assembl':12 'audio':17,24,30 'cabinet':8 'circuit':38 'compon':21,28 'compris':13 'control':40,57 'devic':36 'electron':34 'inlin':11 'instal':51 'loudspeak':7,10,20,27,33,55,62 'manag':43 'measur':46 'optim':49 'part':22 'plural':15 'program':44,59 'public':1 'reproduct':5 'servo':35 'simul':42 'softwar':47 'sound':4 'speaker':18,25,31,41,53,60 'system':3

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