Apparatus and instruments for processing, reproducing, transmitting and recording sound, namely, microphones, loudspeakers, headphones, earphones, audio amplifiers, audio mixers, audio signal processors, electronic sound field processors, digital equalizers, remote controllers for all the aforesaid goods, amplifiers for musical instruments, effectors for musical instruments, remote controllers for the aforesaid goods, parts for all the aforesaid goods, computer software for sound field processing
Electrical and Scientific Apparatus