键盘_GUI_matlab演奏_钢琴_键盘钢琴matlab_matlab

function varargout = piano(varargin) gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @piano_OpeningFcn, ... 'gui_OutputFcn', @piano_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []); if nargin && ischar(varargin{1}) gui_State.gui_Callback = str2func(varargin{1}); end if nargout [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); else gui_mainfcn(gui_State, varargin{:}); end function piano_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; guidata(hObject, handles); function varargout = piano_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output; function axes1_CreateFcn(hObject, eventdata, handles) function axes1_ButtonDownFcn(hObject, eventdata, handles) function pushbutton1_Callback(hObject, eventdata, handles) axes(handles.axes1); %建立吉他指板大小210*1000 %1弦1：30,31:60；2弦31:60；61:90；3弦61:90，91:120；4弦91:120，121:150；5弦121:150，151:180；6弦151:180，181:210 % c0 c0# d0 d0# e0 f0 f0# g0 g0# a0 a0# b0 % c1 c1# d1 d1# e1 f1 f1# g1 g1# a1 a1# b1 % c2 c2# d2 d2# e2 f2 f2# g2 g2# a2 a2# b2 % c3 c3# d3 d3# e3 f3 f0# g3 g3# a3 a3# b3 % c4 c4# d4 d4# e4 f4 f4# g4 g4# a4 a4# b4 % c5 c5# d5 d5# e5 f5 f5# g5 g5# a5 a5# b5 % c6 c6# d6 d6# e6 f6 f6# g6 g6# a6 a6# b6 frequen=[ 32.7 34.6 36.7 38.9 41.2 43.6 46.3 49.0 51.9 55.0 58.3 61.7 65.4 69.3 73.4 77.8 82.4 87.3 92.5 98.0 104 110 117 123 131 139 147 156 164 175 185 196 208 220 233 247 262 277 294 311 329 349 369 392 415 440 466 494 523 554 587 622 659 698 740 784 831 880 932 988 1047 1109 1175 1245 1319 1397 1480 1568 1661 1760 1865 1976 2093 2217 2349 2489 2637 2794 2960 3136 3322 3520 3729 3951]; guitar(:,:)=zeros(210,1000); for n=1:20 guitar(:,1+50*(n-1):4+50*(n-1))=zeros(210,4)+0.6; end for n=1:6 guitar(29+30*(n-1):32+30*(n-1),:)=ones(4,1000); end imshow(guitar); fs=8000; while 1 uicontrol(handles.text1); if get(gcf,'CurrentCharacter')=='q' fplay=frequen(5,5); else fpaly=-1; end pause(0.01) if fpaly==-1 else wave=0.1*sin(0:fplay*2*pi/fs:1000); p=audioplayer(wave,fs); play(p) end end