美国Ａｍｅｒｉｔｅｃｈ通讯科技开发公司已研制出一种由语音操作控制的电话系统。该系统的特点是不需要在电话机的终端用户上加装任何设备,只要在电话程控交换中心增设一套语音程控系统即可。这样,每户电话用户最多可以输入存储多达七十组的电话名录号码,用户只需拿起话筒,说 Ameritech Communications Technology Development Corporation of the United States has developed a voice-operated telephone system. The system is characterized by no need to install any equipment on the phone’s end user, as long as the program-controlled telephone exchange to add a voice program control system can be. In this way, each home phone user can enter up to seventy groups of phone directory numbers, the user simply picks up the phone, says