乐器共鸣板用木材声学振动性能改良研究现状及趋势

木材是制作乐器共鸣板的重要材料, 木材的声学性能在很大程度上决定了乐器的声学品质。文中在分析乐器板用木材声学振动性能改良的着手点与切入点的基础上, 总结木材声学振动性能改良方面的研究进展, 认为以下几个方面将成为未来研究的热点:1)从弹性模量、比弹性模量、声辐射品质常数和声阻抗等指标出发进行木材声学性能功能性改良研究; 2)开展乐器共鸣板用木材的替代树种用材的功能性改良研究, 扩大可用于制作乐器共鸣板的资源范围; 3)从改善木材声学振动效率和振动音色角度进行木材功能性改良的研究; 4)开展新型的乐器共鸣板用材研究。

Research Status and Prospect of Acoustic Vibration Properties Modification of Wood Used for Soundboard

Wood is one of the most important materials and its acoustic vibration properties determine to large extent the acoustical quality of musical instrument. The paper summarized the research progess on the modification of acoustic vibration properties of wood used for soundboard based on the analysis on the start points of the modification. The prospect was also analyzed and the further research hotspots were proposed: 1) The research on the modification of acoustic vibration properties of wood from the indexes of modulus of elasticity, specific dynamic elastic modulus, acoustic radiation damping, acoustic impedance, etc.; 2) The research on functional modifictiaon of alternative wood species to wood used for soundboard for expanding the choice of materials for soundboard making; 3) the research on wood functional modification from the perspective of improving acoustic vibration efficiency and vibration music quality of wood; 4) the research on new materials for soundboard.