If heat exhaustion is left untreated, it can lead to heat stroke, in which the body's thermoregulatory system shuts down. Upon detection of double-talk status, operation of the echo canceller is suspended. 如果对热衰竭忽视不管,将会导致中暑,人体体温调节系统将停止运作,当侦测到一双方交谈状态时,双方交谈侦测装置能够停止回音消除系统的调整。