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检测语音信号
- 语音的端点检测要用短时平均能量来检测 语音特征的提取要用13阶的lpc 模式匹配要用欧氏距离。
matlab分析语音信号小程序
- 短时能量,短时过零率,清音浊音,基音周期。
YUYINXINHAO
- MATLAB编程实现语音信号的时域特征提取,如分帧、过零率、短时能量、语谱图等-Speech signal feature extraction
语音信号处理的最基本的Maylab处理程序
- 语音信号处理的最基本的Maylab处理程序,包括读入语音波形,清音浊音的检测,加窗,过零率,短时能量,基音最大值。-The basic speech signal processing Maylab handling procedures, including reading speech signals, voiceless voiced detection, windowed, zero crossing rate, short-term energy, pitch maximum.
voice_activity_detection
- 传统的有声无声检测方法只能在相对安静的环境下(<20dB)进行。因此传统方法不能满足噪声环境下的检测要求;另一方面,一直以来,单通道语音增强没有取得突破性进展,一个很重要的原因是没有找到高效的有声无声检测方法。研究了一种有声/无声检测算法是根据信号低频带、高频带短时能量包络的动态变化范围来判别噪声和含噪语音。对每一帧输入信号,通过与预先设定的一系列门限值比较来判断该帧是信号帧还是噪声帧。本设计使用了这种检测方法,选用北京瑞泰创新科技有限公司开发CETECK-VC33-D板,配合自己制作的前
yuyin
- 语音信号数据分析,短时能量,过零率分析。源代码-sound
mfccvaddtw
- 语音信号处理的最基本的Maylab处理程序,包括读入语音波形,清音浊音的检测,加窗,过零率,短时能量,基音最大值。最后有test给出演示-Speech Signal Processing Maylab the most basic treatment procedures, including read into the voice waveform, voiceless voiced detection, add windows, zero-crossing rate, short-term
yuyin
- 语音信号短时能量matlab实现,语音信号的端点检测matlab实现。-Speech signal to achieve short-term energy matlab, speech endpoint detection signal matlab implementation.
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
edp
- 这个是端点检测的程序,用的是基于短时能量和过零率的方法,最后在语音信号的波形图上对检测到的端点进行了标注-This is the endpoint detection process, using a short-term energy and zero-based rate method, the last waveform in the speech signal detected on the endpoint to the mark
shorttime
- matlab实现语音信号短时能量处理,里面包含一个原始语音文件。-Speech short-time energy use matlab
语音信号处理
- 采用MATLAB 2015b综合运用各种函数调用等来实现语音信号时域的短时能量,短时过零以及短时自相关函数分析和频域的傅里叶变换,功率谱估计,短时傅里叶变换,小波分析,语音信号的短时综合,语谱图各种分析,充分了解熟悉语音信号的相关分析方法。(This experiment uses the MATLAB 2015 b, the integrated use of various kinds of function call to realize speech signal in time dom
用短时平均能量和短时平均过零率双门限检测VAD
- 用短时平均能量和过零率的特征参数对语音信号进行端点检测, 以消除静默帧和噪声帧的干扰
语音短时能量、平均幅度、平均过零率
- 语音信号MATLAB特征获取,包括语音短时能量、平均幅度、平均过零率(Speech signal MATLAB feature acquisition, including voice short-term energy, average amplitude, average zero crossing rate)
short enery
- 在窗长为80和160个样点的情况下,分别采用矩形窗和哈明窗编程计算该段语音信号的短时平均能量,绘出短时平均能量曲线,并进行观察和比较(the window length is 80 and 160 sample points, short time average energy respectively using rectangular window and Hamming window programming calculation of the speech signal, short-t
YCL
- 对信号进行梅尔倒谱系数特征采集之前的预处理,包括分帧加窗、基于短时能量的双门限判别、除噪、预加重等(The preprocessing of Mel cepstrum coefficients before the signal is carried out, including frame windowing, double threshold discrimination based on short-time energy, denoising and pre emphasis)
短时能量whut
- 用于查看语音信号短时能量图谱的代码,有结果显示(A short time energy map for a voice signal)
short_energy
- 语音信号的短时能量求取MATLAB代码,语音信号分析的基础教程(MATLAB code for short time energy of speech signal and a basic course for speech signal analysis)
bin
- MATLAB语音信号短时分析,包括自相关,能量谱,过零率等(Short time analysis of MATLAB speech signals, including autocorrelation, energy spectrum, zero crossing rate, etc.)
audio_tezheng
- 语音信号的时域、频域与倒谱域分析。 1.分析一帧清音和浊音的自相关函数和倒谱系数 2.用Matlab画出该段语音的时域波形、短时能量、短时平均幅度、短时过零率、短时过电平率 3.选择一帧无声、清音和浊音的语音,用Matlab画出它们的对数幅度谱(Time domain, frequency domain and cepstrum domain analysis of speech signals. 1. Analyze the autocorrelation function and c