The echo canceller includes an adaptive finite impulse response filter that generates an adaptive filter weight vector.此迴音消除系统由一适应性有限脉冲响应滤波器所组成，它能产生一组适应性滤波器权值向量。
Upon detection of double-talk status, operation of the echo canceller is suspended.当侦测到一双方交谈状态时，双方交谈侦测装置能够停止迴音消除系统的调整。