%matlab演奏《天空之城》代码

l_dao=262; %将“l_dao”宏定义为低音“1”的频率262Hz

l_re

=286; %将“l_re”宏定义为低音“2”的频率286Hz

l_mi

=311; %将“l_mi”宏定义为低音“3”的频率311Hz

l_fa

=349; %将“l_fa”宏定义为低音“4”的频率349Hz

l_sao=

392; %将“l_sao”宏定义为低音“5”的频率392Hz

l_la

=440; %将“l_a”宏定义为低音“6”的频率440Hz

l_xi

=494; %将“l_xi”宏定义为低音“7”的频率494Hz

%以下是C调中音的音频宏定义

dao=

523; %将“dao”宏定义为中音“1”的频率523Hz

re=

587; %将“re”宏定义为中音“2”的频率587Hz

mi=

659; %将“mi”宏定义为中音“3”的频率659Hz

fa=

698; %将“fa”宏定义为中音“4”的频率698Hz

sao=

784; %将“sao”宏定义为中音“5”的频率784Hz

la=

880; %将“la”宏定义为中音“6”的频率880Hz

xi=

987; %将“xi”宏定义为中音“7”的频率523H %以下是C调高音的音频宏定义

h_dao=

1046; %将“h_dao”宏定义为高音“1”的频率1046Hz

h_re=

1174; %将“h_re”宏定义为高音“2”的频率1174Hz

h_mi=

1318; %将“h_mi”宏定义为高音“3”的频率1318Hz

h_fa=

1396; %将“h_fa”宏定义为高音“4”的频率1396Hz

h_sao=

1567; %将“h_sao”宏定义为高音“5”的频率1567Hz

h_la=

1760; %将“h_la”宏定义为高音“6”的频率1760Hz

h_xi=

1975; %将“h_xi”宏定义为高音“7”的频率1975Hz

%%

%{

%% 简谱

s=[re,mi,re,dao,l_la,dao,l_la,...

l_sao,l_mi,l_sao,l_la,dao,...

l_la,dao,sao,la,mi,sao,...

re,...

mi,re,mi,sao,mi,...

l_sao,l_mi,l_sao,l_la,dao,...

l_la,l_la,dao,l_la,l_sao,l_re,l_mi,...

l_sao,...

re,re,sao,la,sao,...

fa,mi,sao,mi,...

la,sao,mi,re,mi,l_la,dao,...

re,...

mi,re,mi,sao,mi,...

l_sao,l_mi,l_sao,l_la,dao,...

l_la,dao,re,l_la,dao,re,mi,...

re,...

l_la,dao,re,l_la,dao,re,mi,...

re];

%% 延时

delay=0.2*[4,1,1,4,1,1,2,...

2,2,2,2,8,...

4,2,3,1,2,2,...

10,...

4,2,2,4,4,...

2,2,2,2,4,...

2,2,2,2,2,2,2,...

10,...

4,4,4,2,2,...

4,2,4,4,...

4,2,2,2,2,2,2,...

10,...

4,2,2,4,4,...

2,2,2,2,6,...

4,2,2,4,1,1,4,...

10,...

4,2,2,4,1,1,4,...

10];

%}

%% 简谱

s=[la, xi,...

h_dao xi h_dao h_mi,...

xi mi,...

la, sao la, h_dao,...

sao re mi ,...

fa mi fa h_dao ,...

mi re mi h_dao,...

xi fa fa xi ,...

xi la, xi ,...

h_dao xi h_dao h_mi ,...

xi mi ,...

la, sao la, h_dao ,...

sao mi ,...

fa h_dao xi xi h_dao,...

h_re h_mi h_dao h_dao,...

h_dao xi la xi sao,...

la h_dao h_re,...

h_mi h_re h_mi h_sao ,...

h_re sao,...

h_dao xi h_dao h_mi,...

h_mi la xi,...

h_dao xi h_dao h_re,...

h_dao sao sao,...

h_fa h_mi h_re h_dao,...

h_mi h_mi,...

h_la h_sao,...

h_mi h_re h_dao,...

h_re h_dao h_re h_re h_sao,...

h_mi h_mi ,...

h_la h_sao,...

h_mi,h_re,h_dao,...

h_re,h_dao,h_re,h_re,xi,...

la];

delay=0.5*[0.5 0.5 ,...

1.5 0.5 1 1

,...

3

1,...

1.5 0.5 1

1,...

3 0.5

0.5,...

1.5 0.5 0.5

1.5,...

1.5 0.5 0.5

1.5,...

1.5 0.5 1

1,...

3 0.5

0.5,...

1.5 0.5 1

1,...

3

1,...

1 0.5 1

1,...

3

1,...

1 0.5 0.5 1

1,...

1 0.5 0.5

2,...

0.5 0.5 1 1

1,...

3 0.5

0.5,...

1.5 0.5 1

1,...

3

1,...

1.5 0.5 1

1,...

3 0.5

0.5,...

1.5 0.5 1

1,...

1.5 0.5

2,...

1 1 1

1,...

3

1,...

2 2

,...

0.5 0.5

3,...

1 0.5 0.5 1

1,...

3

1,...

2

2,...

0.5 0.5

3,...

1 0.5 0.5 1

1,...

4];

%% 设置采样精度

fs=44100;

%% 生成波形

wav=[];

for i=1:length(s)

tune_max=ceil(delay(i));

for j=[1 2 4 6]

eval_r(['tune',num2str(j),'=linspace(0,2*pi*s(i)*',num2str(j),'/2,fs);']);

end

% tune=linspace(0,2*pi*s(i),fs);

% tune2=linspace(0,2*pi*s(i)*2,fs);

% tune3=linspace(0,2*pi*s(i)*3,fs);

tune=[tune1;tune2;tune4;tune6];%;tune3;tune4;tune5;tune6;tune7;tune8;tune9;tune10;tune11;tune12];

eq=[0.5 1 0.5 0.5];

tune=eq*sin(tune);

tune=repmat(tune,1,tune_max);

tune=tune(1:round( (length(tune)*delay(i)/tune_max)) );

%tune=tune.*exp(linspace(log(1),log(0.02),length(tune)));

tune=tune.*sin(linspace(0,pi,length(tune)));

wav=[wav tune];

end

wav=wav/max(wav)*0.1; %限幅 音量

sound(wav,fs);