Difference between revisions of "HW1.1 Mark Frankosky ECE301Fall2008mboutin" - Rhea

Revision as of 16:43, 3 September 2008

Another File

Here is another file that I made that can be used to demonstrate sound in matlab link

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 == MATLAB Code ==
 <pre>
-% Mark Frankosky (mfrankos@purdue.edu)
-% ECE301 HW1.1
-% Not quite hail purdue...
-SampleRate = 1/20000;
-timeSig = 216;
-% Times
-Q = 60/timeSig;
-E = 60/timeSig/2;
-DQ = Q+E;
-H = 2*Q;
-% Set up note frequencies...
-% (many arent used...but didnt feel like figuring out which ones were)
-C3  = 130.81;
-C3S = 138.59;
-D3  = 146.83;
-D3S = 155.56;
-E3  = 164.81;
-F3  = 174.61;
-F3S = 185;
-G3  = 196;
-G3S = 207.65;
-A3  = 220;
-A3S = 233.08;
-B3  = 246.94;
-C4  = 2*130.81;
-C4S = 2*138.59;
-D4  = 2*146.83;
-D4S = 2*155.56;
-E4  = 2*164.81;
-F4  = 2*174.61;
-F4S = 2*185;
-G4  = 2*196;
-G4S = 2*207.65;
-A4  = 2*220;
-A4S = 2*233.08;
-B4  = 2*246.94;
-C5  = 3*130.81;
-C5S = 3*138.59;
-D5  = 3*146.83;
-D5S = 3*155.56;
-E5  = 3*164.81;
-F5  = 3*174.61;
-F5S = 3*185;
-G5  = 3*196;
-G5S = 3*207.65;
-A5  = 3*220;
-A5S = 3*233.08;
-B5  = 3*246.94;
-% Rest Value (no freqency)
-REST = 0;
-% Set up Note Values
-Notes1 = [E5 E5 REST E5 REST C5 E5 G5 REST G4 REST C5 G4 REST E4 A4 B4 ...
-          A4S A4 G4 E5 G5 A5 F5 G5 REST E5 C5 D5 B4 C5 G4 REST E4 A4 B4 ...
-          A4S A4 G4 E5 G5 A5 F5 G5 REST E5 C5 D5 B4];
-Notes2 = [F4S F4S REST F4S REST F4S F4S G4 REST G4 REST E4 E4 REST C4 ...
-          C4 D4 C4S C4 C4 G4 B4 C5 A4 B4 REST A4 E4 F4 D4 E4 E4 REST ...
-          C4 C4 D4 C4S C4 C4 G4 B4 C5 A4 B4 REST A4 E4 F4 D4 ];
-Notes3 = [D3 D3 REST D3 REST D3 D3 G3 REST G3 REST G3 E3 REST C3 F3 G3 ...
-          F3S F3 E3 C4 E4 F4 D4 E4 REST C4 A3 B3 G3 G3 E3 REST C3 F3 G3...
-          F3S F3 E3 C4 E4 F4 D4 E4 REST C4 A3 B3 G3 ];
-% Set up Time values
-Time = [E E E E E E Q Q Q Q Q DQ E Q H Q Q E Q Q Q Q Q E E E Q E E DQ ...
-        DQ E Q H Q Q E Q Q Q Q Q E E E Q E E DQ];
-TotalVector = 0;
-% Play normal speed
-for nn=1:length(Time)
-  t = 0:SampleRate:Time(nn);
-  SoundVector1 = sin(2*pi*Notes1(nn)*t);
-  SoundVector2 = sin(2*pi*Notes2(nn)*t);
-  SoundVector3 = sin(2*pi*Notes3(nn)*t);
-  SoundVectorSum  = SoundVector1+SoundVector2+SoundVector3;
-  TotalVector     = [TotalVector SoundVectorSum];
-  soundsc(SoundVectorSum, 1/SampleRate);
-end
-pause(3)
-% play double speed
-for nn=1:length(Time)
-  t = 0:SampleRate:0.5*Time(nn);
-  SoundVector1 = sin(2*pi*Notes1(nn)*t);
-  SoundVector2 = sin(2*pi*Notes2(nn)*t);
-  SoundVector3 = sin(2*pi*Notes3(nn)*t);
-  SoundVectorSum  = SoundVector1+SoundVector2+SoundVector3;
-  TotalVector     = [TotalVector SoundVectorSum];
-  soundsc(SoundVectorSum, 1/SampleRate);
-end
-pause(3)
-% play with 2x frequency
-for nn=1:length(Time)
-  t = 0:SampleRate:Time(nn);
-  SoundVector1 = sin(2*2*pi*Notes1(nn)*t);
-  SoundVector2 = sin(2*2*pi*Notes2(nn)*t);
-  SoundVector3 = sin(2*2*pi*Notes3(nn)*t);
-  SoundVectorSum  = SoundVector1+SoundVector2+SoundVector3;
-  TotalVector     = [TotalVector SoundVectorSum];
-  soundsc(SoundVectorSum, 1/SampleRate);
-end

Difference between revisions of "HW1.1 Mark Frankosky ECE301Fall2008mboutin" - Rhea

Revision as of 16:43, 3 September 2008

Another File

MATLAB Code

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