【Matlab】Matlab演奏《卡农》——转自人人网

最新推荐文章于 2022-05-21 15:01:47 发布

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最新推荐文章于 2022-05-21 15:01:47 发布

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文章标签： matlab

使用Matlab编程实现音乐创作，详细解析如何用代码演奏经典曲目《卡农》，展示Matlab在音频处理领域的强大功能。

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好强悍！！！！

 %不知道作者是谁，不过很强大

% Cripple Pachebel's Canon on Matlab
% Have fun

fs = 44100; % sample rate
dt = 1/fs;

T16 = 0.125;

t16 = [0:dt:T16];
[temp k] = size(t16);

t4 = linspace(0,4*T16,4*k);
t8 = linspace(0,2*T16,2*k);

[temp i] = size(t4);
[temp j] = size(t8);

% Modification functions
mod4 = sin(pi*t4/t4(end));
mod8 = sin(pi*t8/t8(end));
mod16 = sin(pi*t16/t16(end));

f0 = 2*146.8; % reference frequency

ScaleTable = [2/3 3/4 5/6 15/16 ...
              1 9/8 5/4 4/3 3/2 5/3 9/5 15/8 ...
              2 9/4 5/2 8/3 3 10/3 15/4 4 ...
              1/2 9/16 5/8];
% 1/4 notes
do0f = mod4.*cos(2*pi*ScaleTable(21)*f0*t4);
re0f = mod4.*cos(2*pi*ScaleTable(22)*f0*t4);
mi0f = mod4.*cos(2*pi*ScaleTable(23)*f0*t4);
          
fa0f = mod4.*cos(2*pi*ScaleTable(1)*f0*t4);
so0f = mod4.*cos(2*pi*ScaleTable(2)*f0*t4);
la0f = mod4.*cos(2*pi*ScaleTable(3)*f0*t4);
ti0f = mod4.*cos(2*pi*ScaleTable(4)*f0*t4);
do1f = mod4.*cos(2*pi*ScaleTable(5)*f0*t4);
re1f = mod4.*cos(2*pi*ScaleTable(6)*f0*t4);
mi1f = mod4.*cos(2*pi*ScaleTable(7)*f0*t4);
fa1f = mod4.*cos(2*pi*ScaleTable(8)*f0*t4);
so1f = mod4.*cos(2*pi*ScaleTable(9)*f0*t4);
la1f = mod4.*cos(2*pi*ScaleTable(10)*f0*t4);
tb1f = mod4.*cos(2*pi*ScaleTable(11)*f0*t4);
ti1f = mod4.*cos(2*pi*ScaleTable(12)*f0*t4);
do2f = mod4.*cos(2*pi*ScaleTable(13)*f0*t4);
re2f = mod4.*cos(2*pi*ScaleTable(14)*f0*t4);
mi2f = mod4.

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