关键词:体积积分;分支定界;三维空间 摘 要:We consider the set of continuous-time1 audio signals {s1(t), s2(t), . . . , sM(t)} corresponding to M different microphones, and the problem of finding the location of a sound source in a three-dimensional space, identified by a coordinate vector x = (x, y, z). In the general case we can consider that signals si(t) had been prefiltered to improve performance.