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| − | < | + | <pre> |
| − | + | %HW 1 ECE 301 | |
%Jeff Gaines | %Jeff Gaines | ||
%REGULAR SPEED | %REGULAR SPEED | ||
| − | + | %beats/min = 112 -> quarter note = .5357 sec | |
| − | % | + | |
| − | + | ||
delta = 0.00005; | delta = 0.00005; | ||
| + | half = [0:delta:1.0714]; | ||
| + | dottedquarter = [0:delta:0.8036]; | ||
| + | quarter = [0:delta:0.5357]; | ||
| + | eighth = [0:delta:0.26785]; | ||
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%Notes used | %Notes used | ||
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quarter_g = sin(2*pi*(2^(-1/6)*440)*quarter); | quarter_g = sin(2*pi*(2^(-1/6)*440)*quarter); | ||
| − | |||
quarter_bf = sin(2*pi*(2^(1/12)*440)*quarter); | quarter_bf = sin(2*pi*(2^(1/12)*440)*quarter); | ||
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dottedquarter_c = sin(2*pi*(2^(1/4)*440)*dottedquarter); | dottedquarter_c = sin(2*pi*(2^(1/4)*440)*dottedquarter); | ||
| − | |||
eighth_df = sin(2*pi*(2^(1/3)*440)*eighth); | eighth_df = sin(2*pi*(2^(1/3)*440)*eighth); | ||
| − | |||
half_c = sin(2*pi*(2^(1/4)*440)*half); | half_c = sin(2*pi*(2^(1/4)*440)*half); | ||
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half_g = sin(2*pi*(2^(-1/6)*440)*half); | half_g = sin(2*pi*(2^(-1/6)*440)*half); | ||
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%Note sequence (I made the last note a half G instead of quarter G since it | %Note sequence (I made the last note a half G instead of quarter G since it | ||
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%sounds more like the song) | %sounds more like the song) | ||
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melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g]; | melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g]; | ||
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sound(melody, 1/delta) | sound(melody, 1/delta) | ||
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wavwrite(melody, 1/delta, 32, 'regular.wav'); | wavwrite(melody, 1/delta, 32, 'regular.wav'); | ||
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pause(8) | pause(8) | ||
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%FAST SPEED | %FAST SPEED | ||
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delta = 0.00005; | delta = 0.00005; | ||
| − | + | half = [0:delta:1.0714*.5]; | |
| − | half = [0:delta: | + | dottedquarter = [0:delta:0.8036*.5]; |
| − | + | quarter = [0:delta:0.5357*.5]; | |
| − | dottedquarter = [0:delta:0. | + | eighth = [0:delta:0.26785*.5]; |
| − | + | ||
| − | quarter = [0:delta:0. | + | |
| − | + | ||
| − | eighth = [0:delta:0. | + | |
| − | + | ||
%Notes used | %Notes used | ||
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quarter_g = sin(2*pi*(2^(-1/6)*440)*quarter); | quarter_g = sin(2*pi*(2^(-1/6)*440)*quarter); | ||
| − | |||
quarter_bf = sin(2*pi*(2^(1/12)*440)*quarter); | quarter_bf = sin(2*pi*(2^(1/12)*440)*quarter); | ||
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dottedquarter_c = sin(2*pi*(2^(1/4)*440)*dottedquarter); | dottedquarter_c = sin(2*pi*(2^(1/4)*440)*dottedquarter); | ||
| − | |||
eighth_df = sin(2*pi*(2^(1/3)*440)*eighth); | eighth_df = sin(2*pi*(2^(1/3)*440)*eighth); | ||
| − | |||
half_c = sin(2*pi*(2^(1/4)*440)*half); | half_c = sin(2*pi*(2^(1/4)*440)*half); | ||
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half_g = sin(2*pi*(2^(-1/6)*440)*half); | half_g = sin(2*pi*(2^(-1/6)*440)*half); | ||
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%Note sequence | %Note sequence | ||
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fast_melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g]; | fast_melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g]; | ||
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sound(fast_melody, 1/delta) | sound(fast_melody, 1/delta) | ||
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wavwrite(fast_melody, 1/delta, 32, 'fast.wav'); | wavwrite(fast_melody, 1/delta, 32, 'fast.wav'); | ||
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pause(5) | pause(5) | ||
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%HIGHER PITCH | %HIGHER PITCH | ||
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delta = 0.00005; | delta = 0.00005; | ||
| − | + | half = [0:delta:1.0714*.5]; | |
| − | half = [0:delta: | + | dottedquarter = [0:delta:0.8036*.5]; |
| − | + | quarter = [0:delta:0.5357*.5]; | |
| − | dottedquarter = [0:delta:0. | + | eighth = [0:delta:0.26785*.5]; |
| − | + | ||
| − | quarter = [0:delta:0. | + | |
| − | + | ||
| − | eighth = [0:delta:0. | + | |
| − | + | ||
%Notes used | %Notes used | ||
| − | |||
quarter_g = sin(4*pi*(2^(-1/6)*440)*quarter); | quarter_g = sin(4*pi*(2^(-1/6)*440)*quarter); | ||
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quarter_bf = sin(4*pi*(2^(1/12)*440)*quarter); | quarter_bf = sin(4*pi*(2^(1/12)*440)*quarter); | ||
| − | |||
dottedquarter_c = sin(4*pi*(2^(1/4)*440)*dottedquarter); | dottedquarter_c = sin(4*pi*(2^(1/4)*440)*dottedquarter); | ||
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eighth_df = sin(4*pi*(2^(1/3)*440)*eighth); | eighth_df = sin(4*pi*(2^(1/3)*440)*eighth); | ||
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half_c = sin(4*pi*(2^(1/4)*440)*half); | half_c = sin(4*pi*(2^(1/4)*440)*half); | ||
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half_g = sin(4*pi*(2^(-1/6)*440)*half); | half_g = sin(4*pi*(2^(-1/6)*440)*half); | ||
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%Note sequence | %Note sequence | ||
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high_melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g]; | high_melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g]; | ||
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sound(high_melody, 1/delta) | sound(high_melody, 1/delta) | ||
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wavwrite(high_melody, 1/delta, 32, 'higher.wav'); | wavwrite(high_melody, 1/delta, 32, 'higher.wav'); | ||
| − | + | pause(5) | |
| − | pause( | + | |
| − | + | ||
%PART 2 | %PART 2 | ||
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[beatles, fs, bits] = wavread('Beatles.wav'); | [beatles, fs, bits] = wavread('Beatles.wav'); | ||
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sound(beatles, fs, bits) | sound(beatles, fs, bits) | ||
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pause(30) | pause(30) | ||
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%"number 9" over and over | %"number 9" over and over | ||
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reverse = flipud(beatles); | reverse = flipud(beatles); | ||
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sound(reverse, fs, bits) | sound(reverse, fs, bits) | ||
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wavwrite(reverse, fs, 32, 'reverse.wav'); | wavwrite(reverse, fs, 32, 'reverse.wav'); | ||
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pause(30) | pause(30) | ||
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%sounds to me like "let me on the money", but I've read in the past people | %sounds to me like "let me on the money", but I've read in the past people | ||
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%think it says "turn me on dead man" | %think it says "turn me on dead man" | ||
| − | + | </pre> | |
| − | [[Media:regular.wav]] | + | [[Media:regular.wav]]<br> |
| − | + | [[Media:fast.wav]]<br> | |
| − | [[Media:fast.wav]] | + | [[Media:higher1.wav]]<br> |
| − | + | [[Media:reverse.wav]]<br> | |
| − | [[Media: | + | |
| − | + | ||
| − | [[Media:reverse.wav]] | + | |
Latest revision as of 13:30, 14 January 2011
%HW 1 ECE 301
%Jeff Gaines
%REGULAR SPEED
%beats/min = 112 -> quarter note = .5357 sec
delta = 0.00005;
half = [0:delta:1.0714];
dottedquarter = [0:delta:0.8036];
quarter = [0:delta:0.5357];
eighth = [0:delta:0.26785];
%Notes used
quarter_g = sin(2*pi*(2^(-1/6)*440)*quarter);
quarter_bf = sin(2*pi*(2^(1/12)*440)*quarter);
dottedquarter_c = sin(2*pi*(2^(1/4)*440)*dottedquarter);
eighth_df = sin(2*pi*(2^(1/3)*440)*eighth);
half_c = sin(2*pi*(2^(1/4)*440)*half);
half_g = sin(2*pi*(2^(-1/6)*440)*half);
%Note sequence (I made the last note a half G instead of quarter G since it
%sounds more like the song)
melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g];
sound(melody, 1/delta)
wavwrite(melody, 1/delta, 32, 'regular.wav');
pause(8)
%FAST SPEED
delta = 0.00005;
half = [0:delta:1.0714*.5];
dottedquarter = [0:delta:0.8036*.5];
quarter = [0:delta:0.5357*.5];
eighth = [0:delta:0.26785*.5];
%Notes used
quarter_g = sin(2*pi*(2^(-1/6)*440)*quarter);
quarter_bf = sin(2*pi*(2^(1/12)*440)*quarter);
dottedquarter_c = sin(2*pi*(2^(1/4)*440)*dottedquarter);
eighth_df = sin(2*pi*(2^(1/3)*440)*eighth);
half_c = sin(2*pi*(2^(1/4)*440)*half);
half_g = sin(2*pi*(2^(-1/6)*440)*half);
%Note sequence
fast_melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g];
sound(fast_melody, 1/delta)
wavwrite(fast_melody, 1/delta, 32, 'fast.wav');
pause(5)
%HIGHER PITCH
delta = 0.00005;
half = [0:delta:1.0714*.5];
dottedquarter = [0:delta:0.8036*.5];
quarter = [0:delta:0.5357*.5];
eighth = [0:delta:0.26785*.5];
%Notes used
quarter_g = sin(4*pi*(2^(-1/6)*440)*quarter);
quarter_bf = sin(4*pi*(2^(1/12)*440)*quarter);
dottedquarter_c = sin(4*pi*(2^(1/4)*440)*dottedquarter);
eighth_df = sin(4*pi*(2^(1/3)*440)*eighth);
half_c = sin(4*pi*(2^(1/4)*440)*half);
half_g = sin(4*pi*(2^(-1/6)*440)*half);
%Note sequence
high_melody = [quarter_g, quarter_bf, dottedquarter_c, quarter_g, quarter_bf, eighth_df, half_c, quarter_g, quarter_bf, dottedquarter_c, quarter_bf, half_g];
sound(high_melody, 1/delta)
wavwrite(high_melody, 1/delta, 32, 'higher.wav');
pause(5)
%PART 2
[beatles, fs, bits] = wavread('Beatles.wav');
sound(beatles, fs, bits)
pause(30)
%"number 9" over and over
reverse = flipud(beatles);
sound(reverse, fs, bits)
wavwrite(reverse, fs, 32, 'reverse.wav');
pause(30)
%sounds to me like "let me on the money", but I've read in the past people
%think it says "turn me on dead man"
Media:regular.wav
Media:fast.wav
Media:higher1.wav
Media:reverse.wav
