搜索资源列表
EPD
- 这是一个语音去除噪声的程序，通过运行这个程序，可以去除已有语音信号中的背景噪声，提高语音质量-This is a voice noise removal procedure for the adoption of the operating procedures, Removal can have voice signal the background noise, improve voice quality
basic MatlabRLS noise
- 噪声语音对消系统研究 基于matlab rls-voice noise cancellation system based on the Matlab rls
voice_speed_change.rar
- 文章介绍了一种对语音进行变速不变调处理的系统" 该系统与ADPCM编解码技术相结合!能更精确地检测和分割(音元)!并通过音元的复制和抽取实现了对播放语速的控制!达到了变速不变调的目的"。该系统用FPGA实现!结果表明：采用改进后的音元处理算法!可以大大减少语音处理中所引入的噪声；该算法与ADPCM相结合实现的语音变速系统!具有速度快、占用资源少、芯片面积小和成本低等特点"。,This paper presents a voice for transmission to the same tune
IEEE_CVSD
- 语音CVSD算法虽然比较成熟，但是通用的CVSD标准实现的编码程序噪音比较大，这里精选了IEEE的5篇论文据有指导意义。-Voice CVSD algorithm is a relatively mature, but a common standard of achievement of CVSD coding procedures relatively large noise, where a selection of five papers, according to IEEE guidi
lunwen
- 本文简要介绍了语音信号采集与分析的发展史以及语音信号的特征、采集与分析方法，并通过PC机录制自己的一段声音，运用Matlab进行仿真分析，最后加入噪声进行滤波处理，比较滤波前后的变化。-This paper introduces the voice signal acquisition and analysis of the history and characteristics of speech signals, sampling and analysis methods, and thro
speech
- 运用matlab仿真实现语音增强和噪声消除的功能-Matlab simulation using voice enhancement and noise reduction features
voice
- 语音的预加重和去加重，进行语音的前期处理，减少噪声。-Voice of the pre-emphasis and de-emphasis, voice of the pre-processing to reduce noise.
vad3
- 一种用于3G 系统中复杂背景噪声环境下的话音激活检测算法-One for 3G systems under complex background noise environment, voice activity detection algorithm
08-NTAV-SPA_165_Marciniak-Rochowniak-etal
- In this paper we propose a method for voice activity detection (VAD) in a speech signal recorded in the presence of noise. The so-called endpoint detection (EPD), i.e., detection of voice activity (speech) boundaries is very difficult if the
LMS
- LMS算法多麦克风语音降噪，语音降噪处理，基于matlab-LMS algorithm for multi-microphone speech noise reduction, voice, noise reduction, based on matlab
MT-005
- 噪声功率比(NPR)这个概念自频分多路复用(FDM)电话系统诞生之初即已出现。简单而 言，NPR用于衡量多通道系统中当其他通道上存在随机活动时，某个闲置通道的“安静”程 度。噪声和交调失真产物进入该闲置通道，从而降低性能。该概念最初用来检查FDM链 路中的4 kHz宽语音通道，如今，在确定多通道宽带通信系统的特性时也是有用的——但在 现代测量技术方面，存在一些重要的区别。-The concept of the noise power ratio (NPR) from the fr
SPARK-Features-for-noise-robust-Speech-Recognitio
- Electronic industry now growing towards the automation of everything, It includes development of Touch screen Interface Voice Recognition etc. These are leads to a world in which almost all electronic systems are capable of working in response with h
Approximate-Bayesian-Inference-for-Robust-Speech-
- Speech processing applications such as speech enhancement and speaker identification rely on the estimation of relevant parameters from the speech signal. These parameters must often be estimated from noisy observations since speech signals are r
Voice_Recognition_System_in_Noisy_Environment
- voice recognition in noisy environment Human life could be much more comfortable, if global machinery works on voice commands. There are lot of products available in the market those provide us automated voice controlled working experience. Voic
DSP
- MATLAB软件平台下，利用函数wavread对语音信号进行采样，记住采样频率和采样点数； 2）画出语音信号的时域波形，对采样后的语音进行fft变换，得到信号的频谱特性；对语音信号分别加入正弦噪声和白噪声，画出加噪信号的时域波形和频谱图； 3）根据对加噪语音信号谱分析结果，确定滤除噪声滤波器的技术指标，设计合适的数字滤波器，并画出滤波器的频域响应； 4）用所设计的滤波器对加噪的信号进行滤波，在同一个窗口画出滤波前后信号的时域图和频谱图，对滤波前后的信号进行对比，分析信号变化； -
su
- 利用双线性变换法设计一个级联型的椭圆IIR滤波器，对一段含噪语音信号进行滤波去噪处理并根据滤波前后的波形和频谱分析滤波性能。本课程设计仿真平台为MATLAB7.0，开发工具是M语言编程。首先在Windows下用录音机工具录制一段语音信号，并人为加入一单频噪声，然后对信号进行频谱分析以确定所加噪声频率，并设计滤波器进行滤波去噪处理，最后比较滤波前后的波形和频谱并进行分析。-Bilinear transformation method is used to design a cascade elli
noise
- 录制一段语音，并进行加噪声处理，再通过滤波器滤除噪声，恢复出原始信号。-Recording a voice, and add noise processing, again through the filter filter out noise, restore the original signal.
project1
- it is about voice activity detection.when we have a speech consists of voice and noise it detects the end points of voice by using energy and zero crossing rates.just specify your speech file path in code.
melp5
- 在混合激励线性预测(MELP)语音编码算法中,语音帧的突变转换导致合成语音质量的下降成为一个突出问题.为解决该问题,提出一种基于过渡帧判决算法的改进MELP模型,提高了参数估计的准确度,有效实现了语音的降噪处理.-In the hybrid excitation linear prediction (MELP) speech coding algorithm, the abrupt change of the speech frame leads to the degradation of sy