全固态数字录音电话机进入９０年代以来，一种新型的电话机崭露头角。它采用大规模集成电路和微处理器，将语音信号转换成数字信息存储在高存储容量的记忆芯片中，称之为全固态数字录音电话机（ＤＴＲ）或第三代录音电话机。自１９８８年日本三洋公司推出首台ＤＴＲ以来，... All-solid-state digital voice recorder Since entering the 90s, a new type of telephone has emerged. It uses large scale integrated circuits and microprocessors to convert voice signals into digital information and store it in a high-capacity memory chip called an all-solid-state digital recording telephone (DTR) or third-generation recording telephone. Since the Japanese company SANYO introduced the first DTR in 1988, ...