| Line 28: | Line 28: | ||
%FAST SPEED | %FAST SPEED | ||
delta = 0.00005; | delta = 0.00005; | ||
| − | half = [0:delta:1.0714* | + | half = [0:delta:1.0714*.5]; |
| − | dottedquarter = [0:delta:0.8036* | + | dottedquarter = [0:delta:0.8036*.5]; |
| − | quarter = [0:delta:0.5357* | + | quarter = [0:delta:0.5357*.5]; |
| − | eighth = [0:delta:0.26785* | + | eighth = [0:delta:0.26785*.5]; |
%Notes used | %Notes used | ||
| Line 49: | Line 49: | ||
%HIGHER PITCH | %HIGHER PITCH | ||
delta = 0.00005; | delta = 0.00005; | ||
| − | half = [0:delta:1.0714]; | + | half = [0:delta:1.0714*.5]; |
| − | dottedquarter = [0:delta:0.8036]; | + | dottedquarter = [0:delta:0.8036*.5]; |
| − | quarter = [0:delta:0.5357]; | + | quarter = [0:delta:0.5357*.5]; |
| − | eighth = [0:delta:0.26785]; | + | eighth = [0:delta:0.26785*.5]; |
%Notes used | %Notes used | ||
| Line 66: | Line 66: | ||
sound(high_melody, 1/delta) | sound(high_melody, 1/delta) | ||
wavwrite(high_melody, 1/delta, 32, 'higher.wav'); | wavwrite(high_melody, 1/delta, 32, 'higher.wav'); | ||
| − | pause( | + | pause(5) |
%PART 2 | %PART 2 | ||
| Line 82: | Line 82: | ||
[[Media:regular.wav]]<br> | [[Media:regular.wav]]<br> | ||
[[Media:fast.wav]]<br> | [[Media:fast.wav]]<br> | ||
| − | [[Media: | + | [[Media:higher1.wav]]<br> |
[[Media:reverse.wav]]<br> | [[Media:reverse.wav]]<br> | ||
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
