dtmf是什么意思？

dtmf

英['di:t'i:'em'ef] 美['dit'i'em'ef]

• abbr. dual-tone multifrequency telephone 双音多频电话；

例句

• Common Type , DTMF number display type and FSK calling display types available according to the functions. 按功能分为普通型 、 DTMF号码显示型和FSK来电显示型三种.
• The DTMF generator circuit is straight forward to construct. DTMF发生器电路可直接构建.
• A safety alert system by DTMF ( Dual - tone multifrequency ) mode is introduced. 介绍一种采用DTMF ( Dual -ToneMultifreqency ) 信号方式通信的安全报警系统.
• Followed is the interaction technology such as DTMF and TTS. 随后介绍了DTMF、 TTS等 交互技术,它们决定了IVR系统 的服务质量.