当前位置:
首页
资源下载

搜索资源 - DTMF Signal Detection
搜索资源列表
-
0下载:
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 rapid and effective extraction of
-
-
1下载:
在MATLAB中用Goertzel算法(先用FFT算法,再用goertzel算法,)仿真DTMF的产生与检测的程序。应用于双音多频信号的产生与检测。-in Goertzel algorithm using MATLAB (first using FFT algorithm, reuse goertzel algorithm) simulation DTMF detection with the selection process. Used DTMF signal detection with
-
-
11下载:
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.
-
-
1下载:
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FRAMESIZE(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。
-This procedure used to detect wh
-
-
0下载:
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
-
-
0下载:
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 circuit, urgent voice circuits, au
-
-
1下载:
DSP对DTMF信号的检测,用goertze算法-DSP signal to the DTMF detection algorithm used goertze
-
-
0下载:
A simple DTMF Signal detection C/C++ Source program
-
-
0下载:
DSP中的 DTMF信号的产生及检测
-DSP in DTMF signal generation and detection
-
-
0下载:
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
-
-
2下载:
对DTMF电话通信过程的仿真,并通过MATLAB的GUI界面模拟电话拨号,同时考虑信道的信噪比对接收端拨号探测的影响。-Using MATLAB to simulate DTMF telephone communications. Simulate dailing interface by GUI, and consider effect of channel SNR on signal detection at receiver side.
-
-
0下载:
DTMF信号检测,在MATlab开发环境下根据GOERTZEL进行编程。-DTMF signal detection
-
-
1下载:
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.
-
-
0下载:
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
-
-
1下载:
dsp实现双音多频(DTMF)信号的检测,在ccs下使用汇编完成-Dual Tone Multi-Frequency (DTMF) signal detection
-
-
0下载:
DTMF信号检测程序,可检测8位语音信号,不包含信号产生程序-DTMF signal detection program that detects eight voice signal does not contain a signal generator
-
-
1下载:
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...
-
-
1下载:
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(Goertzel algorithm is the core of DTMF signal detection. It uses the two-pole IIR filter to calculate the discrete Fourier transform value, and extracts the spectrum of input signal quickl
-
-
0下载:
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)
-
-
1下载:
实现DTMF信号的输出和检测功能。。。。。。。。。。。。。。。。。。(Implementation of DTMF Signal Output and Detection Function)
-