搜索资源列表
vad_fq_snr
- vad(语音活动检测)的matlab代码,采用频域的方法计算信噪比。-vad (voice activity detection) Matlab code, using frequency-domain approach to calculate the signal-to-noise ratio.
wiener
- 这是本人编写的一个利用维纳滤波实现语音增强的程序.在输入语音信噪比不是很低的情况下,效果不错.
add_noise_and_SNR_measure
- 内有两个MATLAB程序,主要用于语音增强:一个用于向纯净语音文件(wav)添加高斯白噪声,信噪比可选;另一个文件用于测量语音信噪比,对语音增强效果判断
航空噪声背景下的语音端点检测和语音增强算法
- 航空噪声背景下的语音端点检测和语音增强算法,在信噪比很低的强航空噪声背景下,效果特别好
weinat
- 基于DD算法的先验信噪比估计的维纳语音降噪完整程序,包括语音分帧,动态信噪比估计,噪声估计更新和帧的重构。很完整。-DD algorithm based on a priori signal to noise ratio is estimated that the integrity of the process noise reduction Wiener voice, including voice sub-frame, dynamic signal to noise ratio estim
SNR_matlab
- 该代码为matlab代码,其内容是基于最大信噪比的盲源分离算法。可将该算法用于语音信号、图像信号的处理中。-The code for the matlab code, its content is based on the maximum SNR of the blind source separation algorithm. The algorithm can be used for voice signals, image signal processing.
ASKBPSk
- 噪声背景下的语音端点检测和语音增强算法,在信噪比很低的强航空噪声背景下,-aviation noise background voice endpoint detection and voice enhancement algorithms, and very low signal to noise ratio in the strong aviation background noise, particularly effective
minenframe
- 此函数实现含噪语音的信噪比的计算,以最小帧算法为基础。-Implementation of this function of the signal to noise ratio of noisy speech has calculated that, with the smallest frame-based algorithm.
RLSwave
- 对语音信号的RLS滤波程序,噪音为固定信噪比的高斯信号-RLS voice signal filtering process, a fixed signal to noise ratio of the Gaussian noise signal
zishiyingjiangzao
- 这里介绍了一种基于自适应滤波的噪声抵消法,采用归一化最小均方误差算法,采集实际噪声环境下各种不同信噪比的带噪语音样本进行降噪处理,实验结果表明,处理后信号的信噪比得到了较大程度的提高,大大改善了听音效果,具有很高的可懂度,且语音自然度好,没有失真;并与谱减法进行了比较,自适应噪声抵消法的降噪幅度比谱减法有一定提高,在听音效果上,用自适应噪声抵消法处理后的语音在清晰度,自然度方面优于谱减法。-Here a novel adaptive noise cancellation method using
pushang
- 实现低信噪比下的语音断电检测,谱熵端点检测,优于双门限端点检测法-Low-power voice SNR detection, spectral entropy endpoint detection, better than the two-endpoint detection threshold
noisy
- 在一段语音信号上加上高斯白噪声,产生任意信噪比的程序-A voice signal with white Gaussian noise to produce any signal to noise ratio of the program
chapter11_1
- 语音增强之谱相减算法,加窗分帧频域处理,计算信噪比及画出波形对比。-Spectral subtraction speech enhancement algorithm, window-frame frequency domain processing to calculate the signal-to-noise ratio and draw the waveform comparison.
celiangSNR
- 程序主要是通过读入纯净的语音信号和对纯净语音信号加噪后的混合信号来实现测量加噪后语音信号的信噪比。测量准确度较高。-Read into the program mainly through pure voice signal and noise on the clean speech signal plus the mixed signal to achieve measurements with noise after the speech signal to noise ratio. Mea
tianjiazaoshegn
- 程序是对输入的语音信号添加已知信噪比的噪声,输入是纯净的语音信号和信噪比,输出是加噪后的语音信号。后半部分是验证前面所加信噪比是否正确的程序-Procedure is to add the input speech signal noise ratio of the noise is known, the input speech signal and pure noise ratio, after output speech signal plus noise. Latter is to ve
MaskingSub
- 该例程是基于人耳掩蔽效应的语音增强算法的MATLAB实现。压缩包中附带参考文献(基于人耳掩蔽效应的谱减算法的研究与实现)、测试所使用的音频信号、以及段信噪比计算函数。源代码中MaskingSub.m(源代码主要部分)及Main.m为本人所写,其余均来自程序员联合开发网。运行环境MATLAB R2009b-Key words:masking property, spectral subtraction algorithm
Noisy-pretreatment
- 纯语音和带噪语音,信噪比,带噪语音的产生,语音信号的预处理一——消除趋势项和直流分量-Pretreatment with a pure voice and noisy speech signal to noise ratio, resulting in noisy speech, the speech signal- to eliminate the trend term and DC components
SNR
- 基于小波变换的信号语音去噪及信噪比显示代码(noise-signal ratio it is very useful)
单麦克风
- 运用单麦克风实现语音增强,其中包括子程序,计算出了信噪比以及波形(Speech enhancement is realized by single microphone, including subroutine, and the SNR and waveform are calculated.)
语音信号加噪和降噪处理
- 语音是人类交换信息的有效渠道之一,也是我们日常生活交流的主要形式。 语音与当今科学技术的快速发展息息相关,特别是计算机中的语音交互技术,通 过对语音信号进行采集和处理,实现人与人之间有效信息的传输、获取以及存储。 基于 MATALAB 的语音信号去噪设计,对噪声信号进行有效地滤除,将降噪后的语音信号与原始 信号在时域和频域进行对比分析,计算出信噪比,并在 MATLAB 中设计 GUI 仿 真界面进行展示.(Speech is one of the effective ways for human