TDOA based locator is adopt.With this strategy, a two-step procedure is adopted.The first step is to acquire the TDE of each microphone pair.

• 系统采用基于时延估计的方法来估计声源位置,这类方法分两步进行:第一步是获得麦克风对的TDE,第二步是根据TDE和麦克风的位置获得位置估计。