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=====  %Problem#1  =====
 
=====  %Problem#1  =====
  
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%Regular<br>f = 2*pi*440;<br>t = 0.0001;<br>beat = 60/112;<br>H = 2*beat;<br>Q = beat;<br>E = beat/2;<br>DQ = 3*beat/2;<br>timeH = 0:t:H;<br>timeQ = 0:t:Q;<br>timeE = 0:t:E;<br>timeDQ = 0:t:DQ;<br>NoteG = sin(2^(-1/6)*f*timeQ);<br>NoteBflat = sin(2^(1/12)*f*timeQ);<br>NoteC_DQ = sin(2^(1/4)*f*timeDQ);<br>NoteC_H = sin(2^(1/4)*f*timeH);<br>NoteDflat = sin(2^(1/3)*f*timeE);<br>Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];<br>sound(Melody,1/t);<br>wavwrite(melody, 1/delta, 32, 'Regular.wav');<br>
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%Regular<br>f = 2*pi*440;<br>t = 0.0001;<br>beat = 60/112;<br>H = 2*beat;<br>Q = beat;<br>E = beat/2;<br>DQ = 3*beat/2;<br>timeH = 0:t:H;<br>timeQ = 0:t:Q;<br>timeE = 0:t:E;<br>timeDQ = 0:t:DQ;<br>NoteG = sin(2^(-1/6)*f*timeQ);<br>NoteBflat = sin(2^(1/12)*f*timeQ);<br>NoteC_DQ = sin(2^(1/4)*f*timeDQ);<br>NoteC_H = sin(2^(1/4)*f*timeH);<br>NoteDflat = sin(2^(1/3)*f*timeE);<br>Melody = [NoteG,NoteBflat,NoteC<span style="text-decoration: underline;">_</span>DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];<br>sound(Melody,1/t);<br>wavwrite(Melody, 1/t, 32, 'Regular.wav');<br>  
  
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%Two Times Speed<br>f = 2*pi*440;<br>t = 0.0001;<br>beat = 60/112/2;<br>H = 2*beat;<br>Q = beat;<br>E = beat/2;<br>DQ = 3*beat/2;<br>timeH = 0:t:H;<br>timeQ = 0:t:Q;<br>timeE = 0:t:E;<br>timeDQ = 0:t:DQ;<br>NoteG = sin(2^(-1/6)*f*timeQ);<br>NoteBflat = sin(2^(1/12)*f*timeQ);<br>NoteC_DQ = sin(2^(1/4)*f*timeDQ);<br>NoteC_H = sin(2^(1/4)*f*timeH);<br>NoteDflat = sin(2^(1/3)*f*timeE);<br>Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];<br>sound(Melody,1/t);<br>wavwrite(melody, 1/delta, 32, 'Two_Time_Speed.wav');<br>
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%Two Times Speed<br>f = 2*pi*440;<br>t = 0.0001;<br>beat = 60/112/2;<br>H = 2*beat;<br>Q = beat;<br>E = beat/2;<br>DQ = 3*beat/2;<br>timeH = 0:t:H;<br>timeQ = 0:t:Q;<br>timeE = 0:t:E;<br>timeDQ = 0:t:DQ;<br>NoteG = sin(2^(-1/6)*f*timeQ);<br>NoteBflat = sin(2^(1/12)*f*timeQ);<br>NoteC_DQ = sin(2^(1/4)*f*timeDQ);<br>NoteC_H = sin(2^(1/4)*f*timeH);<br>NoteDflat = sin(2^(1/3)*f*timeE);<br>Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];<br>sound(Melody,1/t);<br>wavwrite(Melody, 1/t, 32, 'Two_Time_Speed.wav');<br>  
  
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<br>  
  
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%High Pinch<br>f = 2*pi*440;<br>t = 0.0001;<br>beat = 60/112;<br>H = 2*beat;<br>Q = beat;<br>E = beat/2;<br>DQ = 3*beat/2;<br>timeH = 0:t:H;<br>timeQ = 0:t:Q;<br>timeE = 0:t:E;<br>timeDQ = 0:t:DQ;<br>NoteG = sin(2*2^(-1/6)*f*timeQ);<br>NoteBflat = sin(2*2^(1/12)*f*timeQ);<br>NoteC_DQ = sin(2*2^(1/4)*f*timeDQ);<br>NoteC_H = sin(2*2^(1/4)*f*timeH);<br>NoteDflat = sin(2*2^(1/3)*f*timeE);<br>Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];<br>sound(Melody,1/t);<br>wavwrite(melody, 1/delta, 32, 'High_Pinch.wav');<br>
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%High Pinch<br>f = 2*pi*440;<br>t = 0.0001;<br>beat = 60/112;<br>H = 2*beat;<br>Q = beat;<br>E = beat/2;<br>DQ = 3*beat/2;<br>timeH = 0:t:H;<br>timeQ = 0:t:Q;<br>timeE = 0:t:E;<br>timeDQ = 0:t:DQ;<br>NoteG = sin(2*2^(-1/6)*f*timeQ);<br>NoteBflat = sin(2*2^(1/12)*f*timeQ);<br>NoteC_DQ = sin(2*2^(1/4)*f*timeDQ);<br>NoteC_H = sin(2*2^(1/4)*f*timeH);<br>NoteDflat = sin(2*2^(1/3)*f*timeE);<br>Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];<br>sound(Melody,1/t);<br>wavwrite(Melody, 1/t, 32, 'High_Pinch.wav');<br>  
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<br>
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https://www.projectrhea.org/rhea/images/7/72/Regular.wav<br>
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https://www.projectrhea.org/rhea/images/2/23/Two_Time_Speed.wav<br>
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https://www.projectrhea.org/rhea/images/e/e6/High_Pinch.wav<br>
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<br>
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===== &nbsp;%Problem#2  =====
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[Melody, F] = wavread('Beatles.wav');<br>Melody_Reverse = flipud(Melody);<br>sound(Melody_Reverse,F);<br>wavwrite(Melody_Reverse,F,'Beatles_Reverse');<br>
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https://www.projectrhea.org/rhea/images/6/6b/Beatles_Reverse.wav<br>
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<br>
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%The forward phrase is ' Number&nbsp; Nine'.
 +
 
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%I can't tell what the reverse is saying. It's like 'ZXXXXX Dimon'.

Latest revision as of 12:15, 19 January 2011

 %ECE301 HW#1
%Wei Wang (wang241)

 %Problem#1

%Regular
f = 2*pi*440;
t = 0.0001;
beat = 60/112;
H = 2*beat;
Q = beat;
E = beat/2;
DQ = 3*beat/2;
timeH = 0:t:H;
timeQ = 0:t:Q;
timeE = 0:t:E;
timeDQ = 0:t:DQ;
NoteG = sin(2^(-1/6)*f*timeQ);
NoteBflat = sin(2^(1/12)*f*timeQ);
NoteC_DQ = sin(2^(1/4)*f*timeDQ);
NoteC_H = sin(2^(1/4)*f*timeH);
NoteDflat = sin(2^(1/3)*f*timeE);
Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];
sound(Melody,1/t);
wavwrite(Melody, 1/t, 32, 'Regular.wav');


%Two Times Speed
f = 2*pi*440;
t = 0.0001;
beat = 60/112/2;
H = 2*beat;
Q = beat;
E = beat/2;
DQ = 3*beat/2;
timeH = 0:t:H;
timeQ = 0:t:Q;
timeE = 0:t:E;
timeDQ = 0:t:DQ;
NoteG = sin(2^(-1/6)*f*timeQ);
NoteBflat = sin(2^(1/12)*f*timeQ);
NoteC_DQ = sin(2^(1/4)*f*timeDQ);
NoteC_H = sin(2^(1/4)*f*timeH);
NoteDflat = sin(2^(1/3)*f*timeE);
Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];
sound(Melody,1/t);
wavwrite(Melody, 1/t, 32, 'Two_Time_Speed.wav');


%High Pinch
f = 2*pi*440;
t = 0.0001;
beat = 60/112;
H = 2*beat;
Q = beat;
E = beat/2;
DQ = 3*beat/2;
timeH = 0:t:H;
timeQ = 0:t:Q;
timeE = 0:t:E;
timeDQ = 0:t:DQ;
NoteG = sin(2*2^(-1/6)*f*timeQ);
NoteBflat = sin(2*2^(1/12)*f*timeQ);
NoteC_DQ = sin(2*2^(1/4)*f*timeDQ);
NoteC_H = sin(2*2^(1/4)*f*timeH);
NoteDflat = sin(2*2^(1/3)*f*timeE);
Melody = [NoteG,NoteBflat,NoteC_DQ,NoteG,NoteBflat,NoteDflat,NoteC_H,NoteG,NoteBflat,NoteC_DQ,NoteBflat,NoteG];
sound(Melody,1/t);
wavwrite(Melody, 1/t, 32, 'High_Pinch.wav');


https://www.projectrhea.org/rhea/images/7/72/Regular.wav

https://www.projectrhea.org/rhea/images/2/23/Two_Time_Speed.wav

https://www.projectrhea.org/rhea/images/e/e6/High_Pinch.wav


 %Problem#2

[Melody, F] = wavread('Beatles.wav');
Melody_Reverse = flipud(Melody);
sound(Melody_Reverse,F);
wavwrite(Melody_Reverse,F,'Beatles_Reverse');

https://www.projectrhea.org/rhea/images/6/6b/Beatles_Reverse.wav


%The forward phrase is ' Number  Nine'.

%I can't tell what the reverse is saying. It's like 'ZXXXXX Dimon'.

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Alumni Liaison

Recent Math PhD now doing a post-doctorate at UC Riverside.

Kuei-Nuan Lin