搜索资源列表
LSAcausal
- 语音增强算法,基于LsA-MMSE方法,并对其先验信噪比估计器进行了修改,具体过程参看Isal的论文。语音间隙间的音乐噪声也消除了。-speech enhancement algorithms, based on LsA - MMSE, and signal-to-noise ratio of its prior estimate for the changes, See specific process Isal theses. Voice gap between the music also
MMSEshorttimespectralamplitude
- 语音增强利用最小均方误差短时谱幅度估计,英文文献,很好的外文资料。,Speech enhancement using MMSE short time spectral amplitude estimation, English literature, foreign language, good information.
short-termstudyofthespeechenhancement
- 基于短时谱估计的语音增强研究,包括谱减法,维纳滤波和MMSE的介绍,很详细。-Based on the short-time spectral estimation of speech enhancement research, including spectral subtraction, Wiener filter and the MMSE introduction in great detail.
lee_vad
- 一个基于MMSE噪声后验概率估计的话音激活检测算法.-A voice activity detector with MMSE a posteriori noise estimation and Decision-Directed SNR estimation
very-good-mmse-channel-matlab
- 非常实用的自适应信道估计,均衡器,等等的原代码,非常有用 -Adaptive channel estimation, equalizer, and so the original code is very useful
matlab-LTE-xindaoguji
- 实现LTE下行信道估计,有LS、LMMSE、SVD-MMSE和线性插值、二阶插值、三次样条插值等算法-LTE downlink channel estimation, LS, LMMSE, SVD-MMSE and linear interpolation, second order interpolation, cubic spline interpolation algorithm
Laplace
- 传统的短时谱估计语音增强算法通常假设语音谱分量相互独立,没有考虑语音谱分量间的相关性。针对这 一问题,该文提出一种新的基于多元Laplace分布模型的短时谱估计算法。首先,假设语音的离散余弦变换(DCT) 系数服从多元Laplace分布,以此利用谱分量间的相关性;在此基础上,利用多元随机矢量的高斯尺度混合模型表 示,推导得到语音DCT系数矢量的最小均方误差(MMSE)估计的解析表达式;并进一步推导了基于该分布模型的 语音存在概率,对最小均方误差估计子进行修正。实验结果表明,该算法
MMSE
- 一种基于最小均方误差的噪声估计算法,实现语音增强,算法可以直接使用,已调试通过。-Based on the minimum mean square error of noise estimation algorithm, speech enhancement algorithm can be used directly, have been debug through.
Channel-Estimation
- 信道估计,we will assume that the receiver knows your name, i.e., it knows s (and of course x). Based on this knowledge, the receiver will estimate h using the MVU and MMSE method (for the latter it is also assumed that the variance of the noise σ2 is
ofdm
- 该程序进行了简单的LMS信道估计,没有加入与MMSE等其他信道估计算法的比较;-The program for a simple LMS channel estimation, there is no comparison algorithm and MMSE join other channels and other estimation
OFDM-estimate
- 在OFDM系统下,采用LS、MMSE、DCT、lrmmse等方法进行信道估计-channal estimate