声频工程中共振吸声材料特性及应用

Characteristics and application of resonant sound absorbing materials in audio engineering

薄板共振材料是在声频工程中最常用的吸声材料,主要吸收中低频声波。分析了穿孔板共振吸声材料的吸声原理与特性,对金属穿孔板、木制穿孔板、FC穿孔板、微穿孔吸声结构等共振吸声材料与结构的特点作了详细论述,说明了影响共振吸声性能的多种因素,明确了共振吸声材料与构造的应用场合与要求。

Thin plate resonant material is the most commonly used sound absorbing material in audio engineering,which mainly absorbs medium and low frequencies.The sound absorption mechanism of perforated plate resonant sound absorption material is analyzed.The characteristics of resonant sound-absorbing materials and structures,such as metal perforated plates,wood perforated plates,FC perforated plates and micro-perforated sound-absorbing structures,are discussed in detail.Various factors affecting resonance sound absorption performance are explained.The application occasions and requirements of resonance sound absorbing materials and structures are defined.