1.
Detection of DTMF Signals Based on MATLAB
基于MATLAB的双音多频信号识别
2.
Performance requirements of pushbutton dialer with DTMF
GB/T9035-1988电话用双音多频式按键号盘技术要求
3.
Methods of measurement for pushbutton telephone with DTMF
GB/T12197-1990双音多频式按键电话机测试方法
4.
Methods of measurement for pushbutton dialer with DTMF
GB/T12198-1990电话用双音多频式按键号盘测试方法
5.
Performance requirements of pushbutton telephone with DTMF
GB/T9034-1988双音多频式按键电话机技术要求
6.
Study on the Technology of DTMF Communications and Its Applications;
窄带网中双音多频编码通信技术及应用研究
7.
Implementation of DTMF Tone Detection Based on Modified Goertzel Algorithm;
基于改进的Goertzel算法的双音多频检测器的设计
8.
Design of Switched-Capacitors-Filter For DTMF Recevier
双音多频解码芯片中开关电容滤波器的设计
9.
A method used by the telephone system to communicate the keys pressed when dialling.
双音多频：电话系统拨号时通过按键按下的事件来通讯。
10.
Series and products of communication circuits for semiconductor integrated circuits--Products of dual-tone multi-frequency circuits
GB/T14027.4-1992半导体集成电路通信电路系列和品种双音多频电路系列品种
11.
speech plus duplex FMFV telegraph equipment
语音加双工调频音频电报设备
12.
The Design of Multiplepath Two-way Audio and Ethernet Signal Transmitting System Based on CPLD;
基于CPLD的多路双向音频及以太网传输系统的设计
13.
Articulatory feature based on audio-visual speech recognition model
基于发音特征的音/视频双流语音识别模型
14.
Research on Audio-Visual Feature-Based Video Content Detection;
基于音视频双重特征的视频内容分析技术研究
15.
Design of Optical Fiber Transmission System Used for Transmitting Video、Audio and Data;
视频、音频、双向数据光纤传输系统的设计
16.
Design of Audio Power Amplifier Based on Bipolar Process;
基于双极工艺的音频功率放大器设计
17.
A Study on F0 Contour Model of Monosyllables and Disyllables in Standard Zhuang Language;
标准壮语单音节、双音节基频曲线建模研究
18.
Polypaudio Manager is a simple GUI frontend for the polypaudio sound server.
多音频管理器是一款简单的面向多音频声音服务的图形用户界面。