利用四阶时域有限差分法模拟三维室内声场

来源 :2016年全国声学学术会议 | 被引量 : 0次 | 上传用户：liouyun

【摘要】

：

将四阶精度时域有限差分法(FDTD)用于三维房间的声场模拟,获得房间脉冲响应后,通过Dirac软件计算其混响时间RT、早期衰变时间EDT等室内声场音质参数,并与二阶精度方法的结果进行比较.结果显示,四阶算法可取比二阶算法更粗的网格,计算更快、更准确,将其利用于大空间的声场模拟更高效.

【作者】

：

黄武琼卢义刚

【机构】

：

华南理工大学建筑学院,广州510640

【出处】

：

2016年全国声学学术会议

【发表日期】

：

2016年12期

【关键词】

：

三维房间室内声场时域有限差分法四阶精度

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利用四阶时域有限差分法模拟三维室内声场

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