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Reverberation in a trapezoidal room

机译:梯形室内的混响

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摘要

The problem of sound decay in a trapezoidal room with a nonuniform distribution of wall absorption is considered. It is shown that the sound energy decay may be either anomalously slow, obeying the law ~1/t, or fast, obeying an exponential law. It is found that the type of the decay law depends on the presence of stable ray trajectories in the room. Manifestations of stable ray trajectories in both laboratory and field experiments are demonstrated.
机译:考虑了梯形房间中壁吸收分布不均匀的声音衰减问题。结果表明,声能衰减可能异常缓慢,服从〜1 / t定律,或者速度快,遵循指数定律。发现衰减规律的类型取决于房间中是否存在稳定的射线轨迹。在实验室和野外实验中都证明了稳定的射线轨迹的表现。

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