About NOMURA HIDEYUKI
About 日本音響学会誌
About loudspeaker
About principle
About utilization
About parametric effect
About directionality
About waveform distortion
About acoustic wave propagation
About array
About sound source
About distribution
About parametric array
About strain
About parametric loudspeaker
About acoustic radiator
About sound pressure distribution
About Audio equipment
About Propagation of sound waves
About パラメトリックスピーカ
About 原理
About 応用