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matlab.frequency.analyse
- 1.产生一个连续信号,包含低频,中频,高频分量,对其进行采样,进行频谱分析,分别设计三种高通,低通,带通滤波器对信号进行滤波处理,观察滤波后信号的频谱。 2.采集一段含有噪音的语音信号(可以录制含有噪音的信号,或者录制语音后再加进噪音信号),对其进行采样和频谱分析,根据分析结果设计出一合适的滤波器滤除噪音信号。
luyin
- 用MATLAB采集和播放一段(5s长,采样率为8k,每个样本位数8位)的语音信号。
final.rar基于PC声卡和matlab的实时语音信号采集分析系统
- 一个基于PC声卡和matlab的实时语音信号采集分析系统,带有界面图形,功能较完善,A matlab based on PC sound card and the real-time voice signal acquisition analysis system with graphic interface, function better
LPC
- 基于线性预测系数(LPC)的语音信号重构。给出了完整的LPC matlab程序,包括语音信号采集,LP预测系数,阶数的选择以及预测结果误差曲线。(很好用)-Based on the linear prediction coefficient (LPC) voice signal reconstruction. Given a complete LPC matlab procedures, including voice signal acquisition, LP prediction coef
bishe
- 利用Labview及Matlab对生物医学信号及各种环境信号(包括:温度、湿度、光照)等的采集及数据处理。-Using Labview and Matlab acquisition and data processing of biomedical signals and a variety of environmental signals (including: temperature, humidity, light).
Labview
- 这是一个基于Labview和Matlab的信号采集与处理系统。利用Labview的强大信号采集能力采集多种生物信号,再利用Matlab对其进行数据处理。-This is the signal acquisition and processing system based on Labview and Matlab. Powerful signal acquisition capability using Labview acquisition of a variety of biological
LMSyuyin
- 本文将现实中采集到的一段语音加上了高斯白噪声,利用了LMS算法,将噪声滤除,仿真效果良好-This article will be collected in reality a section of voice coupled with a Gaussian white noise, using the LMS algorithm, the noise filtering, simulation results
1Dgrappa
- 并行磁共振成像中基础算法GRAPPA的应用实例,一维成像,8线圈采集的数据-1D GRAPPA reconstruction from an 8-channel head array coil using least-square matrix inversion. The data were simulated from the combination of B1 fields by Biot-Savart s law and anatomical features from MPRAGE s
AnalogVoiceSignal
- 观测实时模拟信号(语音)的频谱 用音频设备采集一段语音,将语音存为.wav格式。对wav文件作分段傅里叶变换分析。语音是分音节的,应把它分段分析,而且实际运用中的数字信号处理的FFT的点数是有限的,一般只能达到千点。用傅里叶反变换IFFT,从频域恢复信号。画出频谱图和语音波形图。 -Observing real-time analog signal (voice) of the spectrum collected with the audio devices section of
BasedonMATLABspeechsignalspectrumanalysisandfilter
- 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,并对滤波前后的信号进行对比,分析信号的变化;回放语音信号-The individual' s own record a voice signal, and the recorded signal is sampled draw sampled
signal-processing
- 这是一个基于MATLAB的语音信号的处理的小程序,主要有关语音信号的采集、频谱分析等方面。-Based on the MATLAB speech signal processing
matlab_shuziyuyin
- 本次课程设计主要介绍了语音信号的录制、语音信号的采集与分析、语音信号的采样、语音信号的频谱分析、加噪后的频谱分析、滤波器的设计以及对于语音信号的回放等知识。通过 Cool Edit录制一段语音信号,运用MATLAB对其进行时域与频域分析,然后设计滤波器加入噪声进行滤波处理,比较滤波前后始于波形或频谱的变化,最后实现对于语音的回放设计。-Digital voice processing filter design
speech-signal-processing
- 用matlab对采集到的语音进行语音信号处理 包括设置各种滤波器 低通 高通 以及带通 设置好后 观察结果 -speech signal processing
MATLAB-SINGAL-PROCESSING
- 对采集的语音信号进行滤波,谱分析,并进行前后时域和频域波形比较。可选择IIR和FIR滤波器进行高通,低通和带通滤波。-To obtain the voice signal filtering, spectrum analysis, and the time domain and frequency domain waveform and compared. Can choose IIR and FIR filter for qualcomm, low pass and bandpass filt
matlab
- matlab去除50hz噪声,采集声音信号,然后通过滤波程序,过滤50Hz的交流电-matlab to remove noise, 50hz, collecting sound signals, and then through the filtering process, filtering the 50Hz AC
matlab
- 基于matlab的声音信号采集,分析处理,包括声卡采集,及浏览系统文件-Based on matlab voice signal acquisition, analysis and processing, including card acquisition, and browse system files
voicebox
- 基于matlab采集语音信号;实现语音预加重、过零检测、分帧等预处理;实现可视化界面设计,完成语音预处理过程显示;-Matlab based speech signal acquisition, voice pre emphasis, zero detection, sub frame, etc. preprocessing visual interface design, complete voice preprocessing process display
Sound
- Matlab下直接调用NI采集卡,实时绘制波形并重现声音的例程(A routine that invokes a NI acquisition card directly under Matlab, rendering the waveform in real time and reproducing the sound)
matlab
- 这是一个具有语音的采集、读取、内插恢复、重采样,语音的时域参数的计算、端点的检测、基音周期的提取,语音的加噪、滤波及每次处理后语音的播放等功能的语音信号处理系统。(speech signal processing)
语音信号的采集与分析(毕业论文)
- 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 briefly introduces the history of the development of speech signal acquisition and analysis, the feature of speech signal, the method of collecting