搜索资源列表
LabVIEW 3D STFT
- The short-time Fourier transform (STFT) with 3D display. Coding by LabVIEW 8.5/8.6/2009.
基于短时傅里叶变换实现对语音频谱的分析
- 基于短时傅里叶变换实现对语音频谱的分析 (分别对清音和浊音进行分析)。,Based on short-time Fourier Transform of the voice spectrum analysis (respectively, pairs of voiceless and voiced for analysis).
STFT.rar
- This program is about short time fourier transform.,This program is about short time fourier transform.
sft_wt.rar
- 给定函数,变换到频域内,比较短时傅里叶变换大、小视窗和小波变换的区别,生成时频分析图,A given function, transform the frequency domain, more short-time Fourier transform, and a small window and the difference between wavelet transform to generate time-frequency analysis
Short-time-analysis
- 语音处理,包括短时能量、短时幅度、过零率、宽带宽带普及窄带普。-Speech processing, including short-time energy, short-time amplitude and zero crossing rate, broadband broadband penetration narrowband Cape.
istft
- inverse short time fourier transform calculation
stft
- 本例介绍了一个利用MATLAB仿真短时傅里叶变换的实例,初学者可以根据此例子来了解短时傅里叶变化的过程,通过仿真图形分析也可理解短时傅里叶变换的含义。-This example describes a short time Fourier transform using MATLAB simulation examples, beginners can understand this example of short-time Fourier transform of the process,
AMDF_MatlabAnalysis
- 自相关虽然能够判断清/浊音,并估计浊音的基音周期,但是其运算量很大,用乘法运算所需时间较长。为了避免乘法,采用短时平均幅度差函数(AMDF),验证AMDF与自相关有类似的作用,即平均幅度差函数能够代替自相关函数进行语音分析。-Although autocorrelation can differ from the Voiced/Unvoiced and voiced the pitch period estimate, but the operation is large enough, wit
STFT
- 短时傅里叶变换的一些简单的演示,其中有矩形窗和高斯窗-some demos for the short time fourier transform
cwstft
- Produce lfm,tfm,sfm,pfm,bpsk,qpsk cw ledai signal .Use short-time Fourier transform arrive at the instantaneous frequency.-Produce lfm, tfm, sfm, pfm, bpsk, qpsk cw ledai signal. Use short-time Fourier transform arrive at the instantaneous frequency.
short-time
- 数字语音的短时分析中的部分功能函数:包括短时能量、短时过零、短时幅度、短时幅度差。-Short-term analysis of digital voice some function: including short-term energy, zero short-term, short-term rate, short-time magnitude difference.
ddjc
- 利用短时平均能量和短时平均过零率,对语音信号进行端点检测-Average energy use of short-term and short-time average zero-crossing rate, speech endpoint detection signal
stft_ft
- 一种短时傅立叶变换的算法.并利用短时傅立叶变换画图-a algorithm for short time fourier transform
117143166TFRSTFT
- This code is about short time fourier transform.
STFT
- 对信号进行短时傅里叶变换,可以方便的调节各种短时傅里叶变换的影响因素。-Short-time Fourier transform of the signal, you can easily adjust a variety of short-time Fourier transform of the influencing factors.
STFT_serial
- 短时傅利叶转换或短时傅利叶变换(英文:short-time Fourier transform, STFT,又称short-term Fourier transform)是和傅利叶转换相关的一种数学转换关系,用以决定时变讯号其局部段落之弦波成份的频率与相位。 -Short-time Fourier transform or short-term Fourier transform (in English: short-time Fourier transform, STFT, also kn
Temporal_features_extraction
- 个人编写的提取音频信号的时域特征参数短时平均过零率及短时平均能量的matlab源程序。供大家参考-Extraction of individual preparation of the audio signal in time domain characteristic parameters of short-term average of zero-crossing rate and short-time average energy of the matlab source. For you
shijianxulie
- 时间序列的时频特性分析研究时间序列的傅里叶变换及逆变换,快速梅林变换及逆变换,短时离散傅里叶变换,得到瞬时频率。 研究时间序列的Born–Jondan时频分布图,Butterworth时频分布图,Choi–Williams时频分布图,得到瞬时频率。 -Time series analysis of time-frequency characteristics of time series of Fourier transform and inverse transform, the fa
shorttimefouriertransform
- short time fourier transform with matlab
Speech-signal-short-time-analysis
- 详细说明:语音信号的短时分析,主要包括:分帧、短时能量、短时平均幅度、短时过零率、短时自相关函数、短时幅度差、倒谱、复倒谱、lpc系数、lpc谱估计等 绝对保证质量,是保研后导师布置的一些基础程序-Details: short-time speech signal analysis, including: framing, short-term energy, short-term average rate, short-time zero crossing rate, short-time a