作者: Robert B. DiSanto
DOI:
关键词: Bridge (instrument) 、 Sound (geography) 、 Piano 、 Hammer 、 Engineering 、 Acoustics 、 Engineering drawing
摘要: A piano ( 1 ) having a dense sound-enhancing component 2 ), said case 6 frame 3 located within the strings 5 keys 9 in connection with hammers 11 two bridges 13 each of stone top face 27 bottom 28 first side 29 and second 30 bridge pins 16 extending from at an angle, across adjacent to soundboard 4 amount epoxy 18 between ). The is material, preferably granite, enhances sound by holding sustaining pitch longer, providing longer stronger signal, higher volume or decibel level decreased fall-off as compared conventional pianos utilizing wood bridge(s).