行时域频域处理_通过变频、变速达到变声目的_用图形用户界面（GUI）_时域频域图形输出_前后波形进行比较_matlab

function varargout = voice_gui(varargin) gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @voice_gui_OpeningFcn, ... 'gui_OutputFcn', @voice_gui_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []); if nargin & isstr(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 % End initialization code - DO NOT EDIT % --- Executes just before voice_gui is made visible. function voice_gui_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; guidata(hObject, handles); if strcmp(get(hObject,'Visible'),'off') y=wavread('v017');Fs=8192; [Y,w,t]=voice_spectrum(y,Fs); axes(handles.axes1); plot(t,y);grid;title('语音信号y'); axes(handles.axes2); plot(w,Y);grid;axis([0 2000 0 500]);title('语音信号y频谱图'); end % --- Outputs from this function are returned to the command line. function varargout = voice_gui_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output; % --- Executes on button press in pushbutton1. function pushbutton1_Callback(hObject, eventdata, handles) popup_sel_index = get(handles.popupmenu1, 'Value'); switch popup_sel_index case 1 y=wavread('v017'); case 2 y=wavread('v016'); case 3 y=wavread('one_two_three'); end Fs=8192; [Y,w,t]=voice_spectrum(y,Fs); axes(handles.axes1); cla; plot(t,y);grid;title('语音信号y'); axes(handles.axes2); cla; plot(w,Y);grid;axis([0 2000 0 500]);title('语音信号y频谱图'); % -------------------------------------------------------------------- function FileMenu_Callback(hObject, eventdata, handles) % hObject handle to FileMenu (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % -------------------------------------------------------------------- function OpenMenuItem_Callback(hObject, eventdata, handles) % hObject handle to OpenMenuItem (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) file = uigetfile('*.fig'); if ~isequal(file, 0) open(file); end % -------------------------------------------------------------------- function PrintMenuItem_Callback(hObject, eventdata, handles) % hObject handle to PrintMenuItem (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) printdlg(handles.figure1) % -------------------------------------------------------------------- function CloseMenuItem_Callback(hObject, eventdata, handles) % hObject handle to CloseMenuItem (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) selection = questdlg(['Close ' get(handles.figure1,'Name') '?'],... ['Close ' get(handles.figure1,'Name') '...'],... 'Yes','No','Yes'); if strcmp(selection,'No') return; end delete(handles.figure1) % --- Executes during object creation, after setting all properties. function popupmenu1_CreateFcn(hObject, eventdata, handles) % hObject handle to popupmenu3 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: popupmenu controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc set(hObject,'BackgroundColor','white'); else set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor')); end set(hObject, 'String', {'v017', 'v016', 'one two three'}); % --- Executes on selection change in popupmenu3. function popupmenu1_Callback(hObject, eventdata, handles) % hObject handle to popupmenu3 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: contents = get(hObject,'String') returns popupmenu3 contents as cell array % contents{get(hObject,'Value')} returns selected item from popupmenu3 % --- Executes on button press in pushbutton2. function pushbutton2_Callback(hObject, eventdata, handles) % hObject handle to pushbutton2 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) popup_sel_index = get(handles.popupmenu1, 'Value'); switch popup_sel_index case 1 y=wavread('v017');%load v017_echo_spectrum1; case 2 y=wavread('v016');%load v016_echo_spectrum1; case 3 y=wavread('one_two_three'); end Fs=8192; [yecho,t]=voiceecho(y); [Yecho,w,t]=voice_spectrum(yecho,Fs); sound(yecho); axes(handles.axes1); cla; plot(t,yecho);grid;title('有回声效果的语音信号yecho') axes(handles.axes2); cla; plot(w,Yecho);axis([0 2000 0 500]);grid;title('有回声效果的语音信号频谱Yecho') % --- Executes on button press in pushbutton4. function pushbutton4_Callback(hObject, eventdata, handles) % hObject handle to pushbutton4 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) popup_sel_index = get(handles.popupmenu1, 'Value'); switch popup_sel_index case 1 y=wavread('v017'); case 2 y=wavread('v016'); case 3 y=wavread('one_two_three'); end sound(y); % --- Executes during object creation, after setting all properties. function popupmenu3_CreateFcn(hObject, eventdata, handles) % hObject handle to popupmenu3 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: popupmenu controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc set(hObject,'BackgroundColor','white'); else set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor')); end set(hObject, 'String', {'Time Sequence', 'Spectrum'}); % --- Executes on selection change in popupmenu3. function popupmenu3_Callback(hObject, eventdata, handles) % hObject handle to popupmenu3 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: contents = get(hObject,'String') returns popupmenu3 contents as cell array % contents{get(hObject,'Value')} returns selected item from popupmenu3 % --- Executes on button press in pushbutton5. function pushbutton5_Callback(hObject, eventdata, handles) % hObject handle to pushbutton5 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) popup_sel_index = get(handles.popupmenu1, 'Value'); switch popup_sel_index case 1 y=wavread('v017'); case 2 y=wavread('v016'); case 3 y=wavread('one_two_three'); end Fs=16384; [Y,w,t]=voice_spectrum(y,Fs); sound(y,Fs); axes(handles.axes1); cla; plot(t,y);grid;title('语音信号y,采样频率Fs=16384');xlabel('t(s)');ylabel('y'); axes(handles.axes2); cla; plot(w,Y);axis([0 2800 0 500]);grid; title('语音信号y的频谱,采样频率Fs=16384');xlabel('f (Hz)');ylabel('Y'); % --- Executes on button press in pushbutton6. function pushbutton6_Callback(hObject, eventdata, handles) % hObject handle to pushbutton6 (see GCBO) % eventdata reserved - to be defined in a future version of MATLA