ACOUSTIC RESONANCE TRANSFORMER, PIANO AND GRAND PIANO USING THE SAME AND METHOD OF OPTIMISING SOUND OF PIANOS AND GRAND PIANOS

摘要

Acoustic resonance transmitter, comprising a flexible suspension, and two or more acoustic resonance transmission elements, which are arranged on the flexible suspension, wherein at least one of the acoustic resonance transmission elements is slidably arranged on the flexible suspension, piano and grand piano with the same and method for sound optimization of pianos and grand pianos .