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dtmf-ansi-c-version
- 经典的带内音频dtmf产生和检测的c语言源码，检测准确率相当高-classic band audio DTMF generation and detection of c-source language, detection accuracy rate is very high
《C语言课程设计案例精编》源代码
- 用汇编写的可以根据电阻网络发送软件发送D [单片机开发] 用C＋＋写的DTMF求各波形点的的小程序 -was compiled using the resistor network can send software to send D [MCU] C + + to write DTMF points for the waveform of the small programs
C
- LPC901操作HT9200，进行DTMF双音频发送演示程序
DTMF.rar
- 包括傅里叶变换和傅里叶反变换，c语言编写，简单明了，VC环境验证通过,Including Fourier transform and Fourier inverse transform, c language, simple and clear, VC verification environment through the
fdbj.rar
- 智能无线防盗报警器的设计,由AT89C51单片机控制电路、无线收发电路、DTMF（双音多频）电路、语音录放电路、电话接口电路等部分组成,Intelligent wireless burglar alarm design, by the AT89C51 single-chip control circuit, a wireless transceiver circuit, DTMF (Dual Tone Multi-Frequency) circuits, voice recording circ
tapiwave
- ATAPI是對微軟TAPI的封裝，可以很好的在C#環境下開發TAPI應用程序，呼入呼出及DTMF的檢測等等，還可以錄音及放音-ATAPI is a Microsoft TAPI package, can be a very good environment in the C# development TAPI applications, inbound and outbound, and DTMF detection, etc., can also be recording and playba
DTMF1
- ＤＴＭＦ算法Ｃ语言实现，双音频信号产生与检测-DTMF algorithm C language
awgn
- DTMF(双音多频)是用两个特定的单音频组合信号来代表数字信号的一种编码技术。两个单音的频率不同，代表的数字或实现的功能也不同。可采用8种频率代表电话机上的16个按键，10个数字键0~9和6个功能键*、#、A、B、C、D。具体的频率组合见参考书。要求： (1) 根据键盘输入的符号，利用MATLAB产生对应的DTMF信号；(2) 分别利用FFT算法和Goertzel算法计算该DTMF信号的频谱并画出频谱图；(3) 根据频谱图确定DTMF信号所代表的符号是否和输入的符号一致。 -DTMF (
MT888CODE
- Code C for transmit and receive DTMF with MT-Code C for transmit and receive DTMF with MT8888
dtmf
- 用于DTMF信号的检测，包括了算法和程序的实现，用c++完成-For DTMF signal detection, including the algorithms and procedures to achieve, using c++ complete
goertzel_new
- Goertzel algorithms for DTMF decoding demonstrated in MathLab and realized in C for TMS320C6713 and TMS320C5510 DSK.
DTMF3in1
- 3个完整的DTMF汇编程序，包括DTMF信号的产生和DTMF译码，译码采用Goertzel算法，5406上测试通过-3 programs of dtmf encoder and decoder,include goertzel algoritm
DTMFDetect
- A simple DTMF Signal detection C/C++ Source program
EXDTMF
- a C Programm for a DTMF pic16F8-a C Programm for a DTMF pic16F877
9200A
- Holtek公司新近推出的DTMF电路HT9200A便是专用于电话联网控制的模块，它可以方便地与微控制器系统接口，以便组成智能型电话网络的测控系统-Holtek company recently introduced is the DTMF Circuit HT9200A telephone network dedicated to the control module, which can be easily and micro-controller system interface to f
dtmf
- dtmf产生器，包括原理图和软件，c语言编写。-dtmf generator, including schematic and software, c language.
caller-id.c
- Caller ID with mega8 and 8870 chip for dtmf detection and shown in LCD
DTMF5410
- DTMF 编解码器在编码时将击键或数字信息转换成双音信号并发送,解码时在收到的DTMF 信号中检测击键或数字信息的存在性.采用ccs2.2开发。运行在DES5410APP-U开发版上。 子程序_start_ac01，完成AD 及DSP 的多通道缓冲串口（McBSP）初始化。 子程序_iir_to_dtmf，通过由函数set_freq_coff()初始化的系数，分别迭代运算产生行 频和列频，该子程序计算出的两个频率信号样本值分别放入累加器a 和b，相加之 后作为新的一个音频样本发送
DTMF
- 基于DSP的DTMF产生与检测 C语言编程，包括产生与峰值检测。-DSP-based DTMF generation and detection of C language programming, including the generation and peak detection.
DTMF
- 检测8K采样频率，16位PCM码流的DTMF信号 标准的DTMF双频的检测还是可以的 误差检测可能不是很精确......以后再优化 压缩包里有C源码，build出来的elf文件，原始PCM码流(Detect 8K sampling frequency, 16 bit PCM bitstream DTMF signal Standard DTMF dual frequency detection is fine Error detection may not be accurate...