V2EX touch-tone

Touch-tone

Definition / 释义

(电话)按键式的;指使用双音多频(DTMF, dual-tone multi-frequency)信号进行拨号的系统或电话。也可作名词,指“按键电话/按键拨号(系统)”。(另有更广义的“触感音色”等用法较少见)

Pronunciation (IPA) / 发音

/tt ton/

Examples / 例句

Please press 1 on your touch-tone phone to continue.
请在按键电话上按 1 继续。

The company’s automated system can’t recognize calls made from a rotary dial, so you’ll need a touch-tone phone to enter the extension.
公司的自动语音系统无法识别转盘式拨号,因此你需要用按键电话输入分机号。

Etymology / 词源

Touch-Tone 最初是美国电话电报公司(AT&T)在20世纪60年代推出的商标/品牌名,用来指代以按键发出不同“音调组合”来拨号的电话服务与设备。其核心技术是 DTMF:每次按键会同时发出两种频率(“双音”),交换系统据此识别号码。后来该词也被广泛当作通用说法使用。

Related Words / 相关词

Literary Works / 文学作品与著作

  • Bell System Technical Journal(贝尔系统技术期刊;收录与电话交换、信令等相关的权威技术文章,常涉及DTMF/按键拨号背景)
  • The AT&T Technical Journal(AT&T 技术期刊;包含触键拨号与相关通信技术的历史资料)
  • *Bell System Practices (BSP)*(贝尔系统操作/工程规范文档合集;对电话网络与设备标准有大量记录,常见“Touch-Tone/DTMF”相关表述)
  • AT&T 的 Touch-Tone Service 宣传册与用户资料(20世纪60年代起的服务介绍与使用说明文本)
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