Description: 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-1. Produce a continuous signal, including low-frequency, medium frequency, high-frequency components, its sampling, spectral analysis, are designed for three high-pass, low pass, band-pass filter the signal filtering treatment to observe the signal spectrum after filtering. 2. Acquisition section of the speech signal contains noise (can record a signal containing noise, or voice recording, additional noise after the signal), its sampling and spectral analysis, based on an analysis of the results to design a suitable filter to filter out one noise signal Platform: |
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Author: |
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Description: 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；最后，设计一个信号处理系统界面。-Record a person s own voice signal, and recording the signal sampling draw sample after the speech signal time-domain waveform and frequency spectrum given filter performance indicators, using a window function method and the bilinear transform filter design and draw the frequency response filter then use the filter of their own design for the signal acquisition filtering, after filtering the signal to draw the time-domain waveform and spectrum, and filtering of signals before and after contrast, analysis of signal changes playback of voice signal Finally, the design of a signal processing system interface. Platform: |
Size: 2048 |
Author:yim |
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Description: 录制一段自己的语音信号，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；最后，设计一个信号处理系统界面。-Section of their own voice recording signal, and recording the signal sampling draw sample after the speech signal time-domain waveform and frequency spectrum given filter performance indicators, using a window function method and bilinear transformation design of filters, and draw the frequency response filter then use the filter of their own design for the signal acquisition filtering, after filtering the signal to draw the time-domain waveform and spectrum, and filtering of signals before and after contrast, analysis of signal changes playback voice signal Finally, the design of a signal processing system interface. Platform: |
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Author:joe |
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Description: 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 Platform: |
Size: 457728 |
Author:zhaoqingtian |
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Description: 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 through a PC, record your own voice, use of Matlab simulation and analysis, and finally adding noise filtering, comparing before and after filtering change. Platform: |
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Author:Conan King |
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Description: 本文分析了语音数字信号的采集来源以及其预处理。通过实例，利用Matlab对语音信号进行时频变换与分析，同时构造一个固定频率的干扰信号，对两个信号进行合成，设计数字滤波器，实现对语音信号的F IR、IIR滤波处理，最后在时域和频域中对信号进行分析比较。-This paper analyzes the sources of voice digital signal acquisition and its pretreatment. By example, voice signals using Matlab time-frequency transform and analysis, and construct a fixed-frequency interference signals, the two signal synthesis, design digital filters to realize the speech signal F IR, IIR filtering, and finally time domain and frequency domain signal analysis and comparison. Platform: |
Size: 386048 |
Author:孙洋 |
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Description: 利用MATLAB对语音信号进行数字信号处理和分析,以及合成，在MATLAB软件平台对所采集的语音信号，加快和变慢语速,同时进行一些特殊处理,如回音和变声,并进行语音的线性预测分析。-MATLAB voice signal to digital signal processing and analysis, and synthesis, in the MATLAB software platform for the acquisition of the speech signal, speed up and slow speech rate, while some special handling, such as echo and change the sound and voice linearpredictive analysis Platform: |
Size: 35840 |
Author:ljj |
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Description: 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 analysis and filtering (DSP curriculum design manual) subject, content and requirements for curriculum design Title: MATLAB-based analysis and filtering of the voice signal. Curriculum design: recording period of the individual' s own voice signal, and the recorded signal is sampled draw the sampled speech signal time-domain waveform and frequency spectrum to set the filter performance, using a window function method and double transform the design of filters, and draw the frequency response of the filter signal acquisition, filtering, and then use the filter of their own design to draw the waveform and spectrum of the filtered signals in time domain and filtering Platform: |
Size: 1449984 |
Author:Rokey_Niu |
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Description: 语音信号的采集与处理
采集语音信号后，利用MATLAB软件平台进行频谱分析；并对所采集的语音信号加入干扰噪声，对加入噪声的信号进行频谱分析，设计合适的滤波器滤除噪声，恢复原信号。-Collection and processing of speech signals
After the voice signal acquisition using MATLAB software platform for spectral analysis voice signal and noise interference join collected, adding noise to the signal spectrum analysis, design appropriate filter to filter out the noise, to restore the original signal. Platform: |
Size: 229376 |
Author:李凯 |
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Description: 在matlab中利用声卡对语音信号进行实时采集，并采集波形图，对采集信号进行频谱分析，画出频谱图，能查找峰值频率。有详细的注释和参数调整说明-In Matlab using real- time audio of the speech signal acquisition and acquisition waveform, Spectral Analysis of Signals and draw the spectrum, can find the peak frequency.A detailed description of the annotation and parameter adjustment Platform: |
Size: 2048 |
Author:海洋 |
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Description: 包括主成分分析、因子分析、贝叶斯分析，matlab编写的元胞自动机，语音信号的采集与处理，数字信号处理课设。- Including principal component analysis, factor analysis, Bayesian analysis, matlab prepared cellular automata, Acquisition and Processing of the speech signal, digital signal processing class-based. Platform: |
Size: 5120 |
Author:李小生 |
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Description: 一种基于多文档得图像合并技术，关于小波的matlab复合分析，语音信号的采集与处理，数字信号处理课设。- Based on multi-document image obtained combining technique, Matlab wavelet analysis on complex, Acquisition and Processing of the speech signal, digital signal processing class-based. Platform: |
Size: 5120 |
Author:sangfie |
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Description: 计算多重分形非趋势波动分析matlab程序,实现了图像的加水印，去噪，加噪声等功能，语音信号的采集与处理，数字信号处理课设。- Calculation multifractal detrended fluctuation analysis matlab program, Realize image watermarking, de-noising, plus noise and other functions, Acquisition and Processing of the speech signal, digital signal processing class-based. Platform: |
Size: 5120 |
Author:hiuqui |
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Description: 语音信号的采集与处理，数字信号处理课设，通过matlab代码，非归零型差分相位调制信号建模与仿真分析 。- Acquisition and Processing of the speech signal, digital signal processing class-based, By matlab code, NRZ type differential phase modulation signal modeling and simulation analysis. Platform: |
Size: 4096 |
Author:guifing |
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Description: MIMO OFDM matlab仿真,大学数值分析算法，语音信号的采集与处理，数字信号处理课设。- MIMO OFDM matlab simulation, University of numerical analysis algorithms, Acquisition and Processing of the speech signal, digital signal processing class-based. Platform: |
Size: 10240 |
Author:mqdikjau |
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Description: 语音信号的采集与处理，数字信号处理课设，ICA（主分量分析）算法和程序，Matlab实现界面友好。- Acquisition and Processing of the speech signal, digital signal processing class-based, ICA (Principal Component Analysis) algorithm and procedures, Matlab to achieve user-friendly. Platform: |
Size: 4096 |
Author:党唯莉 |
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Description: Acquisition and Processing of the speech signal, digital signal processing class-based, Numerical solution of differential equations method, Use Chaos and fractal analysis routines. Platform: |
Size: 834560 |
Author:cxkbrhp
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Description: 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 and analyzing the voice signal, recording one's own voice by PC, using Matlab to simulate and analyzing, and finally adding noise to filter and compare the change before and after filtering.) Platform: |
Size: 195584 |
Author:chaos111 |
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Search - speech signal acquisition analysis Matlab