According to the sound field design theory described by Yoichi Ando (1980), the determining factor of an ideal reverberation time length lies in the effective delay of autocorrelation function ( e).

• 因此，本研究选择以不同的音乐样本进行实验分析，探讨声源之空间感知是否因乐曲之改变而有明显之差异。