一、簡介
基于matlab GUI語音基頻識別，先進行語音采樣，變速、重采樣，
二、源代碼
unction varargout = zuoye(varargin)
% ZUOYE MATLAB code for zuoye.fig
% ZUOYE, by itself, creates a new ZUOYE or raises the existing
% singleton*.
%
% H = ZUOYE returns the handle to a new ZUOYE or the handle to
% the existing singleton*.
%
% ZUOYE('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in ZUOYE.M with the given input arguments.
%
% ZUOYE('Property','Value',...) creates a new ZUOYE or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before zuoye_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to zuoye_OpeningFcn via varargin.
%
% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one
% instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
% Edit the above text to modify the response to help zuoye
% Last Modified by GUIDE v2.5 03-May-2020 17:00:59
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @zuoye_OpeningFcn, ...
'gui_OutputFcn', @zuoye_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
% End initialization code - DO NOT EDIT
% --- Executes just before zuoye is made visible.
function zuoye_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% varargin command line arguments to zuoye (see VARARGIN)
% Choose default command line output for zuoye
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes zuoye wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = zuoye_OutputFcn(hObject, eventdata, handles)
% varargout cell array for returning output args (see VARARGOUT);
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Get default command line output from handles structure
varargout{1} = handles.output;
% --- Executes on selection change in popupmenu1.
function popupmenu1_Callback(hObject, eventdata, handles)
% hObject handle to popupmenu1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: contents = cellstr(get(hObject,'String')) returns popupmenu1 contents as cell array
% contents{get(hObject,'Value')} returns selected item from popupmenu1
% --- Executes during object creation, after setting all properties.
function popupmenu1_CreateFcn(hObject, eventdata, handles)
% hObject handle to popupmenu1 (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
% --- Executes on button press in pushbutton1.
function pushbutton1_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global x;
global fs;
global bits;
global file;
clear sound;
if nargin<1;action='initialized';end;
[fname,pname]=uigetfile('*.wav','Open Wave File');
file=[pname,fname];
[x,fs,bits]=wavread(file); % 讀入聲音檔案（*.wav）
sound(x,fs);
set(handles.edit1,'string',fs);
% --- 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)
%畫原信號時域波形
global x;
global w;
global fs;
axes(handles.axes1);
N=length(x);
t=[0:1:N-1]/fs;
plot(t,x);
xlabel('時間t')
ylabel('幅值')
n=[0:N-1]';
w=2*n*pi/N;
% --- Executes on button press in pushbutton3.
function pushbutton3_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton3 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
%畫原信號時域波形
global x;
global w;
X=fft(x);
axes(handles.axes2);
plot(w/pi,abs(X))
axis([0,2,0,500])
xlabel('歸一化')
ylabel('幅值')
% --- Executes on button press in pushbutton4.
% --- 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)
global pitch
global nFrames
axes(handles.axes2);
xt=1:nFrames;
xt=20*xt;
plot(xt,pitch)
xlim([0,3]);
axis([xt(1) xt(nFrames) 0 max(pitch)+50]);
ylabel('基音頻率/HZ');
xlabel('時間');
% --- 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 MATLAB
% handles structure with handles and user data (see GUIDATA)
global ybiansu;
global fs;
axes(handles.axes1);
N=length(ybiansu);
t=[0:1:N-1]/fs;
plot(t,ybiansu);
xlabel('時間t')
ylabel('幅值')
% --- Executes on button press in pushbutton7.
function pushbutton7_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton7 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global ybiansu;
NS=length(ybiansu);
nS=[0:NS-1]';
wS=2*nS*pi/NS;
YH=fft(ybiansu);
axes(handles.axes2);
plot(wS/pi,abs(YH))
axis([0,2,0,500])
xlabel('歸一化')
ylabel('幅值')
% --- Executes on button press in pushbutton8.
function pushbutton8_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton8 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
%畫重采樣時域波形
global x2;
global fs;
axes(handles.axes1);
N=length(x2);
t=[0:1:N-1]/fs;
plot(t,x2);
xlabel('時間t')
ylabel('幅值')
% --- Executes on button press in pushbutton9.
function pushbutton9_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton9 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global x2;
X2=fft(x2);
NS=length(x2);
nS=[0:NS-1]';
wS=2*nS*pi/NS;
axes(handles.axes2);
plot(wS/pi,abs(X2))
axis([0,2,0,500])
xlabel('歸一化')
ylabel('幅值')
function edit1_Callback(hObject, eventdata, handles)
% hObject handle to edit1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: get(hObject,'String') returns contents of edit1 as text
% str2double(get(hObject,'String')) returns contents of edit1 as a double
% --- Executes during object creation, after setting all properties.
function edit1_CreateFcn(hObject, eventdata, handles)
% hObject handle to edit1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: edit controls usually have a white background on Windows.
% See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
三、運行結果
四、備注
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