Problem in using audiowrite function

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0 个投票

hi, i want to make matlab song

here is the code :

b=sin(2*pi*493.88*(0:0.000125:0.5));

d=sin(2*pi*587.33*(0:0.000125:0.5));

f=sin(2*pi*698.45*(0:0.000125:0.5));

c=sin(2*pi*554.37*(0:0.000125:0.5));

e=sin(2*pi*659.26*(0:0.000125:0.5));

line1=[b,d,d];

line2=[d,d,c,c,b,b];

line3=[e,e,d,d,c,c,b,b];

song=[line1,line2,line3,line3,line1,line2];

audiowrite('Epi.wav',song,Fs);

[x,Fs] = audioread('Epi.wav');

sound(x);

but it show an error at line audiowrite('Epi.wav');

how can i fix it?

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Answer 1

Mehmed Saad 2020-4-17

编辑：Mehmed Saad 2020-4-17

在 MATLAB Online 中打开

0 个投票

Define sampling Rate

Fs = 1/0.000125;
t = (0:1/Fs:0.5);
b=sin(2*pi*493.88*t);
d=sin(2*pi*587.33*t); 
d=sin(2*pi*587.33*t);
f=sin(2*pi*698.45*t);
c=sin(2*pi*554.37*t);
e=sin(2*pi*659.26*t);
line1=[b,d,d];  
line2=[d,d,c,c,b,b];  
line3=[e,e,d,d,c,c,b,b]; 
song=[line1,line2,line3,line3,line1,line2]; 
audiowrite('Epi.wav',song,Fs); 
[x,Fs] = audioread('Epi.wav'); 
sound(x,Fs)