近几年来,个人电脑纷纷进入家庭。虽然电脑档次还不高,但功能却十分齐全。然而大多数人只是把电脑当作计算器和打字机使用。而在国外早已给普通产品装上微电脑,摇身一变成为“智能产品”。最近,英国特莱尔公司推出的新型智能防盗报警系统可以在窗户被推开时,准确识别出其音频信号。因 In recent years, personal computers have entered the home. Although the computer grade is not high, but the function is very complete. Most people, however, simply use the computer as a calculator and typewriter. In foreign countries already have ordinary products installed on the microcomputer, transformed into a “smart product.” Recently, the new intelligent anti-theft alarm system launched by the British company TELLER can accurately recognize the audio signal when the window is pushed open. because