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ding
选取windows系统自带的ding.wav信号作为分析对象,在Matlab软件平台下,利用函数wavread对音频信号进行采样,记住采样频率和采样点数,听一下原始声音sound(y, fs, bits)。
(2)音频信号的频谱分析,先画出音频信号的时域波形;然后对音频号进行快速傅里叶变换fft(y,N),N取32768,画出信号的频谱特性,加深对频谱特性的理解。
(3)根据频谱,反演时域特性,画出时域波形。寻找幅值最大的两个频率,此频率除以fft点数在乘以采样频率就是信号的主频,即可合成信号的时域图形,听一下声音。
(4)对原音频信号进行1024点的分段付立业分析meshgrid
(5)根据主要频线合成音频,并画出时域图形,试听合成效果。
(6)采用线性插值(linspace)和傅立业反变换(fliplr, ifft)分别合成音频,并画出时域图形,试听效果。
(err)
- 2009-01-13 16:23:47下载
- 积分:1
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twinkle_opt
This is a matlab program for music synthesis (Twinkle twinkle)...
This programme generate audio wave file for twinkle twinkle music.
- 2009-09-29 03:20:48下载
- 积分:1
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sigan
四杆机构模型,基于MATLAB的丝杆机构仿真。描述了四杆机构运动学机理。(Four-bar linkage model of the screw body simulation based on MATLAB. Kinematics describes the four-bar linkage mechanism.)
- 2011-01-13 11:00:20下载
- 积分:1
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Matlab
说明: 是冈萨雷斯写的一本关于matlab在图像处理中应用的书籍,介绍了一些基本的方法,值得初学者一看(Is Gonzales wrote a book on applications in image processing matlab books, introduces some basic methods, it is worth a look for beginners)
- 2011-03-08 17:11:53下载
- 积分:1
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Automatic-Generation-Control-master
Automatic generation control implementation in matlab
- 2018-09-30 12:10:04下载
- 积分:1
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Attachments_2012_03_11.zip.mmmmm
optimization with iteration pso
- 2014-08-22 19:24:34下载
- 积分:1
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absbrake
three level inverter using dc source
- 2014-02-11 04:15:13下载
- 积分:1
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sfekf
扩展卡尔曼滤波与渐消卡尔曼滤波的应用与对比(the comparison of fading kalman filter and extended kalman filter )
- 2021-03-12 17:29:25下载
- 积分:1
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plot_CCD2
plot graph in Mallab
- 2010-07-28 19:37:03下载
- 积分:1
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Matlab
基于前推回推法的matlab源程序基于前推回推法的matlab源程序基于前推回推法的matlab源程序(Before pushing back the method based on matlab source
Before pushing back the method based on matlab source
)
- 2012-04-28 12:10:41下载
- 积分:1