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DTMF_GEN_DEC
- Goertzel算法是DTMF信号检测的核心,它利用二极点的IIR滤波器计算离散傅立叶变换值,快速有效的提取输入信号的频谱信息。-Goertzel algorithm algorithm is DTMF signal detection at the core, It uses two poles of the IIR filter calculating the discrete Fourier transform value rap
DTMF_GEN_DEC
- Goertzel算法是DTMF信号检测的核心,它利用二极点的IIR滤波器计算离散傅立叶变换值,快速有效的提取输入信号的频谱信息。-Goertzel algorithm algorithm is DTMF signal detection at the core, It uses two poles of the IIR filter calculating the discrete Fourier transform value rap
dtmf_dec
- 采用matlab编程的DTMF检测程序仿真,经过测试,绝对可用,可检测多个DTMF信号!-using Matlab programming DTMF detection process simulation, tested and absolutely can be used, can detect DTMF signals over!
detDTMF_detect
- detDTMF信号检测,matlab实现-detDTMF signal detection, matlab realize
DTMFscan
- dtmf信号的检测,用来检测dtmf信号,用于嵌入式领域-DTMF signal detection, used to detect DTMF signals for the field of embedded
DTMF
- 用matlab的gui编写的DTMF双音多频信号生成与检测的演示程序,运行方法见readme,希望能对大家有所帮助。-Matlab by the gui prepared DTMF DTMF signal generation and detection demo program, run method see readme, for all of us hope to be helpful.
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
dtmf
- 本程序用于检测音频文件中是否具有DTMF信号,若有则将其检出。 程序首先使用Goertzel算法求出以fr a meSIZE(默认200)为大小的一帧数据在8个DTMF频点上的能量。 对Goertzel算法的改进,对于系数的计算不是采用2*cos[2*pi*k/N],而是采用2*cos[2*pi*fn/fs],这样能够降低误差。 确定了8个频点的能量后运用一系列判决门限来确定有没有DTMF信号,以及信号是什么。 -
dianhuanyuanchengkongzhi
- 电话智能遥控器主要包括电话振铃检测电路,电话自动摘机和挂机电路,DTMF信号解码电路,语音提示急电路,音频放大电路,以及控制心脏CPU电路-Telephone remote control including smart phones ringing detection circuit, telephone and hang up automatically pick circuit, DTMF signal decoding circ
goertzel_new
- DSP对DTMF信号的检测,用goertze算法-DSP signal to the DTMF detection algorithm used goertze
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
DSP--keshe
- DSP中的 DTMF信号的产生及检测 -DSP in DTMF signal generation and detection
dtmf
- 本程序功能为对DTMF信号的检测,采用的戈策尔算法,大大提高了检测效率和准确度-This program functions as a DTMF signal detection, using the Ge Wenzel algorithm, greatly improving the detection efficiency and accuracy
20070507094106781
- 一种新的基于GOERTZEL算法的DTMF信号检测方法,实现了键盘式 的电话号码键入,计算信噪比。-this is a matlab process,which is dtmf voice recognition.
xin
- DTMF信号检测,在MATlab开发环境下根据GOERTZEL进行编程。-DTMF signal detection
DTMF
- DTMF信号的检测程序,使用GOERTZEL算法实现,可以解码DTMF信号。-DTMF signal detection procedures, using the Goertzel algorithm to achieve, you can decode the DTMF signals.
dtmf
- Goertzel算法对dtmf信号检测 稍加修改可检测忙音,拨号音-Goertzel algorithm slightly modified for dtmf signal detection can detect busy tone, dial tone
DTMF
- 产生、播放DTMF音频,基于Goertzel算法估计DTMF音频,完成双音多频(DTMF)信号的检测-Generating, playing DTMF tones, DTMF tones based on the estimated Goertzel algorithm to detect the completion of dual tone multi-frequency (DTMF) signal
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 de
双音频(DTMF)信号的产生与检测
- 有关于信号方面的 :双音频(DTMF)信号的产生与检测(Generation and Detection of Dual Audio (DTMF) Signal)