搜索资源列表
smbPitchShift
- c++ 短时傅立叶变换实现移频的程序 -pitch shift using short time fourir transform to
STFT
- 这是一个对时间序列进行短时傅立叶变换的源程序,测试过,好用的.-This is a program for STFT,which had tested.
SpeechSignalAcquisitionandAnalysis
- 实现语音的采集，滤波，A/D转换，短时能量，短时过零数，线性倒谱分析-Speech Signal Acquisition and Analysis
fenzhenchuli
- 语音特征提取，如过零率，能量比，短时能量。须导入MAV音频。-Voice feature extraction, such as zero-crossing rate, energy ratio, short-term energy. MAV audio to be imported.
stft
- 基于短时傅里叶变换的非平稳信号的时频分析-Based on Short time fourier transform,signal s time-frequecy analysis.
Hopping
- 基于时频分布的跳频信号分析研究，短时傅立叶变换，魏格纳分布，伪魏格纳分布，平滑伪魏格纳分布-Based on the distribution of time-frequency analysis of frequency hopping signals, short-time Fourier transform, Wigner distribution, pseudo-Wigner distribution, smoothed pse
TFRSTFT
- 可以对信号进行短时傅里叶变换，也可以对反射系数序列进行短时傅里叶变换-STFT
sft_wt
- 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 a
WangEPD
- 基于短时能量和短时过零率来实现语音端点检测。也称为双门限比较法，是一种传统的 语音端点检测方法。现在已经有研究人员提出若干其他更加高效和有效的检测方法，但 是这个方法不失为一种最简单的方法，可以通过程序来获得语音端点检测的感性认识和 体会。内的程序读取WAV文件，程序附有详细的使用说明和注释，以及若干测试用的语音文件。-Based on the short-term and short-term energy to achi
tftb-0.1
- matlab时频分析工具箱，时频分析工具箱包括短时傅立叶变换和二次型时频分析以及各种时频分析的matlab代码-The Time-Frequency Toolbox (TFTB) is a collection of about 100 scr ipts for GNU Octave and Matlab (R) developed for the analysis of non-stationary signals using
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
vad
- 语音端点检测，采用短时能量和过零率的双门限检测方法。-Endpoint of speech detection, using short-term energy and zero-crossing rate of two-threshold detection method
zcrate
- 计算语音信号的短时能量和过零率 使用三电平削波来平整信号-Calculate short-time speech signal energy and zero crossing rate using the three-level clipping to smooth the signal
yuyinxinhaojiance
- 基于MATLAB的语音信号端点检测，短时能量分析，短时过零率，和GUI界面实现-aaaaa
bss_oracle_1.0
- 音频库，包括短时傅里叶变换，信干比计算等-Audio library, including the short-time Fourier transform, signal to interference ratio calculation
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
- 本程序是一个用短时傅立叶变换实现的心音时间、频率分析-This program is a short-time Fourier transform implemented with the heart sound time frequency analysis
yuyin
- 时域波形、短时能量、短时平均幅度、短时过零率、短时过电平率-Time-domain waveform, short-term energy, short-term average rate, short-term zero crossing rate, short-term rates over Level
shipin2
- 再短时傅里叶变换中设置时间分辨率，此时信号的短时傅里叶变换在时间轴上完全局部化而没有频率分辨率-Short-time Fourier transform and then set the time resolution, this time the signal short-time Fourier transform in the timeline is completely localized but not the frequen
a_modified_method
- 介绍了改进谱减法的原理及算法。提出在信噪比(sNR)较低的情况下，根据语音短时能量和过零率，判断在无声 或有声期间是否偶然的噪声过高，从而设定合适的参数降低噪声。-Introduced an improved spectral subtraction principles and algorithms. Proposed signal to noise ratio (sNR) lower case, according to voice