hmm声音识别---隐马尔科夫模型语音识别.rar

function varargout = soundrecognize(varargin) % SOUNDRECOGNIZE M-file for soundrecognize.fig % SOUNDRECOGNIZE, by itself, creates a new SOUNDRECOGNIZE or raises the existing % singleton*. % % H = SOUNDRECOGNIZE returns the handle to a new SOUNDRECOGNIZE or the handle to % the existing singleton*. % % SOUNDRECOGNIZE('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBACK in SOUNDRECOGNIZE.M with the given input arguments. % % SOUNDRECOGNIZE('Property','Value',...) creates a new SOUNDRECOGNIZE or raises the % existing singleton*. Starting from the left, property value pairs are % applied to the GUI before soundrecognize_OpeningFunction gets called. An % unrecognized property name or invalid value makes property application % stop. All inputs are passed to soundrecognize_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 soundrecognize % Last Modified by GUIDE v2.5 23-Dec-2009 10:12:13 % Begin initialization code - DO NOT EDIT gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @soundrecognize_OpeningFcn, ... 'gui_OutputFcn', @soundrecognize_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 soundrecognize is made visible. function soundrecognize_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 soundrecognize (see VARARGIN) % Choose default command line output for soundrecognize handles.output = hObject; % Update handles structure guidata(hObject, handles); % UIWAIT makes soundrecognize wait for user response (see UIRESUME) % uiwait(handles.figure1); % --- Outputs from this function are returned to the command line. function varargout = soundrecognize_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 button press in pushbutton_sound_record.%%%输入声音，用于识别%%%% function pushbutton_sound_record_Callback(hObject, eventdata, handles) % hObject handle to pushbutton_sound_record (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) FS=22050; time=6; global y9 y9=wavrecord(time*FS,FS,1); axes(handles.axes1); plot(y9),ylabel('Speach'),xlabel('t') % wavwrite(y,FS,'a'); return; % --- Executes on button press in pushbutton_train.%%%%输入声音训练%%%%% function pushbutton_train_Callback(hObject, eventdata, handles) % hObject handle to pushbutton_train (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) samples=[]; global hmm hmm=[]; FS=22050; time=2; y1=wavrecord(time*FS,FS,1); axes(handles.axes2); plot(y1),ylabel('Speach'),xlabel('t') ; [rx1,rx2,amp,frameinc,rframe]=frameDetect1(y1,FS); samples{1}=y1(rx1*frameinc:rx2*frameinc); set(handles.edit1,'String','第一个声音已输入'); fprintf('Press any key to start %g seconds of recording...\n',time); pause; FS=22050; time=2; y2=wavrecord(time*FS,FS,1); axes(handles.axes2); plot(y2),ylabel('Speach'),xlabel('t') ; [rx1,rx2,amp,frameinc,rframe]=frameDetect1(y2,FS); samples{2}=y2(rx1*frameinc:rx2*frameinc); set(handles.edit1,'String','第二个声音已输入'); fprintf('Press any key to start %g seconds of recording...\n',time); pause; FS=22050; time=2; y3=wavrecord(time*FS,FS,1); axes(handles.axes2); plot(y3),ylabel('Speach'),xlabel('t') ; [rx1,rx2,amp,frameinc,rframe]=frameDetect1(y3,FS); samples{3}=y3(rx1*frameinc:rx2*frameinc); set(handles.edit1,'String','第三个声音已输入'); fprintf('Press any key to start %g seconds of recording...\n',time); pause; FS=22050; time=2; y4=wavrecord(time*FS,FS,1); axes(handles.axes2); plot(y4),ylabel('Speach'),xlabel('t') ; [rx1,rx2,amp,frameinc,rframe]=frameDetect1(y4,FS); samples{4}=y4(rx1*frameinc:rx2*frameinc); set(handles.edit1,'String','第四个声音已输入'); fprintf('Press any key to start %g seconds of recording...\n',time); pause; FS=22050; time=2; y1=wavrecord(time*FS,FS,1); axes(handles.axes2); plot(y1),ylabel('Speach'),xlabel('t') ; [rx1,rx2,amp,frameinc,rframe]=frameDetect1(y1,FS); samples{5}=y1(rx1*frameinc:rx2*frameinc); set(handles.edit1,'String','第五个声音已输入'); sample=[]; for i=1:length(samples) sample(i).wave=(samples{i}); sample(i).data = mfcc(samples{i}); end disp(length(samples)); hmm=train(sample,[3 3 3 3]); %%训练声音 return; 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 % --- Executes on button press in pushbutton_recognize.%%%识别声音%%%% function pushbutton_recognize_Callback(hObject, eventdata, handles) % hObject handle to pushbutton_recognize (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global hmm global y9 FS=22050; tx2=0; %time=6; % fname=sprintf('a.wav'); % y=wavread(fname); % y=wavrecord(time*FS,FS,1); y=y9; %%归一化 count1=0; count2=0; count3=0; FrameInc=round(FS*10/1000); FrameLength=round(FS*20/1000); y=double(y); y=y-mean(y); y=y/max(abs(y)); y3=y; %%滤波 filter_Y=filter([1 -0.9375],1,y); %分帧 %短时能量 frame=enframe(filter_Y,FrameLength,FrameInc); Delta =0.01;%过零率监测域值 tmp1=enframe(y(1:length(y)-1),FrameLength,FrameInc); tmp2=enframe(y(2:length(y)),FrameLength,FrameInc); signs=(tmp1.*tmp2)<0; diffs=abs((tmp1-tmp2))>Delta; zcr=sum(signs.*diffs,2); frametemp=enframe(y,FrameLength,FrameInc); %%%% while tx2<length(zcr) secondframe=y3((tx2+1)*FrameInc:length(y3)); [tx1,tx22,tframe,amp,ttx1]=FrameDetect(secondframe,FS,tx2,frame,frametemp,zcr); count1=count1+1; if tframe==0 count1=count1-1; ttx1=length(zcr)+1; elseif tframe==2; y1=y3((tx1+tx2)*FrameInc : (tx22+tx2)*FrameInc); amp11=amp((tx1+tx2) : (tx22+tx2)); axes(handl