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TLV320AIC23-c5509DSP
- 介绍了基于TMS320C5509DSP芯片的语音分析系统的工作原理,给出了整体设计方案和工作框图,然后给出了系统的硬件设计方案; 接着介绍了基于TMS320C5509DSP芯片的语音录放系统的软件设计。 该语音录放器的设计能够完成语音采集,存储,滤波,频谱分析,基本实现了语音分析功能。 -Speech analysis system works based on TMS320C5509DSP chip, given the overall design and block diagram
Dereverberation
- 通常语音信号在增强时会出现混响现象,演讲者为了消除背景混响,不得不频繁地偏转头部的方向,这样会造成脉冲响应的不断改变。我们结合盲解卷法和频谱消去法来提高逆滤波器的滤波效果。我们利用输入语音信号间的相关系数矩阵计算出稳定、精确的室内脉冲响应的逆滤波器,而这些输入信号无需测量室内的脉冲响应就能被观测到。逆滤波能够消除早期的反射,这些反射包含混响中的绝大部分能量。之后,用频谱消去法来抑制逆滤波后的信号的尾部混响。本方法在实际适应性方面的表现通过具体的实验进行了验证,结果表明盲解卷法和频谱消去法的结合相
speech
- 丰富的语音处理程序,很有用,有语音能量提取,频率响应,频谱,基频周期-Rich voice processing procedures, is very usefulRich voice processing procedures, is very useful, have speech energy extraction, the frequency response spectrum, a frequency cycle
mysubspectrum
- 频谱减算法实现分离语音噪声,该程序具有一定的鲁棒性,读取语音数据时,采用了队列缓存的方法等-Spectrum subtraction algorithm to achieve separation of voice noise , the program has a certain robustness , reading the voice data , the cache queue .
liboqichengxi
- 巴特沃斯带通数字IIR滤波器对加了高斯随机噪声和正弦噪声的语音信号进行滤波,并绘制了两滤波器滤波后的语音信号时域图和频谱图。-Butterworth band-pass digital IIR filter added Gaussian random noise and sinusoidal noise of the speech signal is filtered, and draw a diagram of two filter the filtered speech signal tim
05947599
- 基于matlab对语音信号的分析,利用各种滤波器,频谱分析等功能。-Based on matlab analysis of speech signals, using various filters, spectral analysis and other functions.
The-FIR-filter-design
- (附带有文档,文档中有方案,有程序有结果,设计完后对一段语音进行处理)给定滤波器的规一化性能指标(参考指标,实际中依据每个同学所叠加噪声情况而定)通带截止频率wp=0.25*pi。 采用窗函数法设计低通、高通、带通型FIR滤波器,对叠加噪声前后的语音信号进行滤波处理,绘出滤波器的频域响应,绘出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,分析信号的变化;在相同的性能指标下比较各方法的滤波效果,并从理论上进行分析-(With the document, document, program
tu-xiang
- 盲源分离 读取语音文件并显示其频谱图像 基于声场景分析的混叠语音分离研究-Blind Source Separation the aliasing voice read the voice file and display its spectrum image based on the acoustic scene analysis Separation
exp2
- 对语音加窗,利用FFT计算各帧频谱参数并显示,考察各种窗函数的不同作用。-Voice and windows, the use of the FFT calculation for each frame spectrum parameters and displays to study the different roles of the various window functions.
bjjiinbaoma
- 一种基于自适应子带频谱熵的稳健性语音音端点检测,自己写的,希望对大家有帮助。 -A robustness of the voice tone endpoint detection based on adaptive sub-band spectral entropy, write your own, we hope to help.
Icb__Spectruut
- 用Visual C编的用于语音的频频谱的检测,能显示出来语音的频谱图。 -Visual C series of the spectrum for voice detection, displayed the frequency spectrum of the voice.
MATLAB-DSP
- 基于MATLAB的语音信号分析及滤波(DSP课程设计说明书) 设计题目、内容及要求 课程设计的题目:基于MATLAB的语音信号分析及滤波。 课程设计的内容:录制一段个人自己的语音信号,并对录制的信号进行采样 画出采样后语音信号的时域波形和频谱图 给定滤波器的性能指标,采用窗函数法和双线性变换设计滤波器,并画出滤波器的频率响应 然后用自己设计的滤波器对采集的信号进行滤波,画出滤波后信号的时域波形和频谱,并对滤波前-Design based on MATLAB voice signal analys
pinputusandian
- 画出语音信号的频谱图,并将实部以散点图的形式画在坐标轴上清晰表示-Draw a voice signal spectrum, and the real part of the form of a scattergram Videos clear indication of the coordinate axes
noise
- 一个对语音进行频谱分析的小程序,界面不错,值得学习。-A voice spectrum analysis procedures, the interface is well worth learning.
duanshi-daopu-yupu
- matlab环境下实现语音预处理 包括语谱图 倒谱系数 短时频谱的画图-voice pretreatment Matlab environment, including spectrogram drawing of the short-time spectral cepstral coefficients
维纳滤波去除噪声
- 通过维纳滤波去除一段语音信息的噪声,并给出频谱
wiener-noise
- 利用维纳滤波消除一段语音信息的噪声,并对消除前后的频谱进行分析-Wiener filter to eliminate the noise of the period of the speech information, and the elimination of the spectrum before and after were analyzed
matlabfangzhen
- 周期信号频谱分析,数字滤波器设计,语音信号的处理-Spectral analysis of periodic signals, the digital filter design, and the processing of the speech signal
Matlab-speech-process
- 对语音信号的频谱分析,滤波,GUI界面设置,更加方便的进行语音的频谱分析与滤波处理。-The spectrum of the speech signal analysis, filtering, GUI interface settings, be more convenient for the voice spectrum analysis and filtering process.
Matlab-simulation-telephone
- matlab实现电话语音的合成,可以观察每一个按键对应的频谱,,还能新建通讯录,删除联系人,和来电识别的功能-matlab telephone voice synthesis can be observed each key corresponding to the spectrum, but also new contacts, delete contacts, and caller identification function