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FourierTransform_fft
- 关于信号处理中傅立叶变换的MATLAB函数,可以与FFT进行对比,运算速度比较快。-on Signal Processing Fourier transform function MATLAB, compared with the FFT. Operational speed is faster.
siganlandsystemusingMatlab
- 这是一个用Matlab编写的程序集,可以实现一些声音和图象的处理。声音的处理有:LPC,FFT,共振峰,频谱等。图象的处理也有很多,都有源代码和参考代码。还有非常友好的界面。-This is a Matlab prepared by the procedure set, can achieve some of the voices and image processing. Voice processing : LPC, FFT, formants and spectrum. Image pro
chengxu.rar
- 在matlab平台下实现LPC,低通,FFT等变换等处理,效果不错...,Under matlab platform in LPC, low-pass, FFT, etc. to deal with transformation, the effect of a good ...
MatlabFFT
- 基于matlab的信号FFT实现与分析,通过matlab实现-Matlab-based signal with FFT analysis, to achieve through matlab
debug58_68
- 这里有fft,ifft,conj,xcorr,resample的用法。-Here are fft, ifft, conj, xcorr, resample usage.
speechbymatlab
- 请认真阅读采用MATLAB分析WAV文件。 步骤一:选择一个WAV文件作为分析的对象 。(ding.wav) 步骤三:进行 FFT变换并画频域图形 。 步骤四:进行该声波主要频谱的分析。 步骤五:根据该声音的频谱,反演时域图形 。(有失真) 步骤六:进行付立叶逆变换IFFT并画频域图形 。-Please carefully read the WAV files using MATLAB analysis. Step One: Select a WAV file as the
fft_example
- Example of FFT algorithm in MATLAB
randpermfull
- permutation is jumbled in a random order
pitchwatch
- function pitchwatch(x,Ts) Plot the pitch keys. pitchwatch(x,[Ts]) :: Syntax The array x is the input signal and Ts is the (optional) sampling period. Example on use: [x,Fs] = wavread( Hum.wav ) pitchwatch(x,1/Fs) :: Inf
FFT_lowpass
- 采用FFT和低通滤波器的两种语音除噪算法比较,MATLAB编程,附效果图-Using FFT and low pass filter audio noise canceling algorithm for the two compare, MATLAB programming, with a results map
AnalogVoiceSignal
- 观测实时模拟信号(语音)的频谱 用音频设备采集一段语音,将语音存为.wav格式。对wav文件作分段傅里叶变换分析。语音是分音节的,应把它分段分析,而且实际运用中的数字信号处理的FFT的点数是有限的,一般只能达到千点。用傅里叶反变换IFFT,从频域恢复信号。画出频谱图和语音波形图。 -Observing real-time analog signal (voice) of the spectrum collected with the audio devices section of
saniaopopinpu
- 用matlab实现对于三角波的FFT变换,并绘制其频谱图-For the triangular wave using matlab FFT transform and draw its spectrum
SpeechRecAndSyn07
- 一个带用户界面的matlab语音合成和识别的程序,MainGuide01.fig通过提取MFCC,用dtw来计算实时录音和模板之间的最小距离,给出识别结果,并且给出波形图,频谱图,语谱图。MainGuide02.fig是语音合成程序,通过load一个wav文件用LPC,残差和pitch两种方式进行合成,并且能实时听合成语音的效果。-This is an simple user interface program including speech recoginition and speech s
voice_spectrum
- 用于检测音频wav文件的语谱以及FFT,使用了audioread函数(The language spectrum and FFT for detecting audio WAV files)