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DSB-SC信号的生成与解调
1) 用离散(DSP)的方法生成DSB信号
2) 载波频率为150KHz,音频为500Hz和2000Hz的混合音。
3) 加入高斯白噪声
(4) 语音信号
的传输。
改变抽样频率和量化台阶大小,观察重建信号以及量化噪声信号的波形;对于语音信号主观评价声音质量的变化。
-DSB-SC signal generation and demodulation 1) Discrete (DSP) methods to generate
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原创,语音合成matlab程序,可改变一段语音的音调,语速等,实现男声变女声,女声变男声等功能。-The original speech synthesis matlab program can change a voice tone, speed, etc., to achieve male changed Girls, female become male functions.
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改变声音信号采样频率的matlabt程度-Change the voice signal sampling frequency matlabt the extent of
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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
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利用C8051f330的DAC范例程序,实现语音输出;demo源程序做了小小的改动,再把语音数据填入原来的正弦表格;语音数据来源于wav文件,Matlab重新采样转换为C语言的0x**格式,导入TXT文件;ps:这个程序在我的baidu空间也有;huxuec-20101024-The DAC sample programs using C8051f330, voice output demo source code to do a minor change, then the sine of
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介绍matlab程序中的傅里叶变换测试语音,测试语音的频谱,并改变采样率和采样点,在测试语音-Matlab program introduces test Fourier transform voice, test speech spectrum, and change the sampling rate and sampling points, the test speech
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matlab语音信号处理工具箱
本工具箱可配合语音数据库使用,用于计算线性预测语音模型的参数,语音声调转换,语音自动解析分解,语音语速变换及更改发音的重音,音量,清晰度等。配套图书《Speech Processing and Synthesis Toolboxes》已经出版,翻译进行中-matlab signal processing toolbox with the voice of the Toolbox database can be used for calculating line
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用头相关传输函数卷积合成虚拟声的方法,我们将利用没有方位信息的单通道声音信号(可以是一段标准语音,也可以是音乐等其他类型的声音),通过信号处理的方法赋予其方位感。
人能听到声音是声音在空间中传播的结果,声音从声源到人耳鼓膜传播过程中发生了变化,这种变化可以看成是人双耳对声音的滤波作用,因此我们将声音从自由场传到鼓膜处的传输函数定义为头相关传输函数(HRTF, Head Related Transfer Function),其对应的时域响应称为头相关冲激响应(HRIR, Head Relat
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对某一语音,利用MATLAB设计一系统函数为
,检查语音信号通过该系统函数后,有何变化。
-Of a voice, use MATLAB to design a system function to check the voice signal through the system function, any change.
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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 u
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matlab声音处理文件,可以实现声音变调和变速。-matlab sound processing files, voice tone change and variable speed.
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语音信号进行分析、处理和设计。用MATLAB做变声器的原理是通过改变输入声音频率,进而改变声音的音色、音调,使输出声音在感官上与原声音不同。变声器是借助对声音音色和音调的双重复合改变,实现输出声音的改变。通过自己发声,共振峰频率的改变是基于重采样实现的-Speech signal analysis, processing and design. MATLAB do voice-changer works by changing the input frequency of the sound,
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语音信号进行分析、处理和设计。用MATLAB做变声器的原理是通过改变输入声音频率,进而改变声音的音色、音调,使输出声音在感官上与原声音不同。变声器是借助对声音音色和音调的双重复合改变,实现输出声音的改变。通过自己发声,共振峰频率的改变是基于重采样实现的-Speech signal analysis, processing and design. MATLAB do voice-changer works by changing the input frequency of the sound,
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MATLAB小程序,寻找共振峰用LPC分析,把男声变女声-matlab program change voice
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利用matlab完成了对语音信号的重建,并针对重建信号进行了包括变速,变调等多种处理,适合初学语音信号的人参考。-Using matlab complete reconstruction of the speech signal, and for the reconstruction of signals, including a variety of processing speed, pitch, etc., suitable for beginners who voice signal r
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Splice out the voiced plosive “b” in theword “be” and synthesize aword with an increase in the
voice onset time of the “b.” What is the perceptual effect? Is it possible to transform the voiced
plosive “b” to the unvoiced plosive “p” with this ch
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基于MATLAB的变声处理,获取一段声音,并做变声处理,以及它们的频谱分析(Get a voice and voice processing)
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通过跑该代码,可以改变声音的特征,从而实现对搜集声音的变声,可变为老人声音、女人声音、小孩声音。(By running the code, you can change the characteristics of the voice, so as to achieve the change of voice collection, can be changed to the voice of the elderly, the voice of a woman, the voice of a c
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基于matlab的变声器,可以将男声变为女声,也可以变成童声(This is a matlab text file and it can help you change the voice file's fuction.)
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matlab语音变声仿真程序,包括男声变女声,女声变男声,男声变童声(Matlab voice change simulation program, including male to female voice, female to male voice, male to child voice)
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