87630172
Oct 2, 2017
Room acoustics enhancement system, namely, a system comprised of loudspeakers, microphones, signal processors and electric control panels for enhancing the reverberation of a room; electronic equipment directed to acoustic simulation used in conjunction with large performance venues, in particular, auditoriums, performing art centers, and theaters, namely, microphones, preamplifiers, equalizers being audio apparatus, digital audio sound processors, amplifiers, and speakers
Electrical and Scientific Apparatus