基于matlab的語音識別dtw算法設(shè)計(參考版)
2025-06-21 17:13本頁面
【正文】 第 28 頁 共 29 頁。end%guidata(hObject, handles)。測試模板%d的識別結(jié)果為:%d\n39。) for i=1:a1 [d,j]=min(dist(i,:))。disp(39。for i=1:a1for j=1:b1 dist(i,j)=dtw(test(i).mfcc,ref(j).mfcc)。 b1=i。 m1=m1(x12:x22,:)。 %axes()。try x=wavread(fname)。D:\\design\\model\\%39。 a1=i。 m2=m2(x12:x22,:)。 %axes()。 try x=wavread(fname)。D:\\design\\test\\%39。fs=16000。global a1。global x1。% Executes on button press in pushbutton16.function pushbutton16_Callback(hObject, eventdata, handles)% hObject handle to pushbutton16 (see GCBO)% eventdata reserved to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global m1。m2=mfcc(S)。figure[x1,x2]=vad(S,fs)。file=[L,fname]。39。Allfiles(*.*)39。*.*39。All MATLAB Files(*.wav)39。*.wav39。global x2。% Executes on button press in pushbutton15.function pushbutton15_Callback(hObject, eventdata, handles)% hObject handle to pushbutton15 (see GCBO)% eventdata reserved to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global m2。plot(b)。wavplay(b,16000)。guidata(hObject, handles)。% Executes on button press in pushbutton14.function pushbutton14_Callback(hObject, eventdata, handles)% hObject handle to pushbutton14 (see GCBO)% eventdata reserved to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global b。wavwrite(b,16000,str)。b39。str=strcat(pathname,filename)。 39。},39。,39。39。,39。[filename pathname]=uiputfile({39。guidata(hObject, handles)。b=wavrecord(t*fs,fs)。fs=16000。%guidata(hObject, handles)。%axes()。plot(S)。[S,fs]=wavread(file)。)。, 39。,39。},39。,39。39。,39。[fname,L]=uigetfile({39。global x1。guidata(hObject, handles)。)。save(str,39。)。 168。Allfiles(*.*)39。*.*39。wavfiles(*.wav)39。*.wav39。% 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)global a。plot(a)。wavplay(a,16000)。guidata(hObject, handles)。% 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)global a。=a。t=2。% 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 a。% Outputs from this function are returned to the mand line.function varargout = GUI_OutputF(hObject, eventdata, handles) % varargout cell array for returning output args (see VARARGOUT)。% Update handles structureguidata(hObject, handles)。else gui_mainf(gui_State, varargin{:})。 ischar(varargin{1}) = str2func(varargin{1})。if nargin amp。gui_Callback39。gui_LayoutF39。gui_OutputF39。gui_OpeningF39。gui_Singleton39。gui_Name39。s Tools menu. Choose GUI allows only one% instance to run (singleton).%% See also: GUIDE, GUIDATA, GUIHANDLES% Copyright 20022003 The MathWorks, Inc.% Edit the above text to modify the response to help GUI% Last Modified by GUIDE 30Apr2015 22:25:50% Begin initialization code DO NOT EDITgui_Singleton = 1。Value39。Property39。CALLBACK39。 第一，我要感謝我的良師益友陳潔老師是她精細(xì)，苛刻，扎實細(xì)致的工作作風(fēng)一直在我實例給我起指明燈的作用；其次，還要感謝方剛同學(xué)對我的幫助，沒有他們的幫助和耐心解釋、鼓勵，這次課程設(shè)計也不會完成的如此的順利。 致謝俗話說，“磨刀不誤砍柴工”，每當(dāng)我遇到不懂的問題，我都將記錄在本子上，虛心請教指導(dǎo)老師，老師給我耐心地回答，從來都沒有因為我的問題有些簡單加以責(zé)備，選定題目設(shè)計到完成設(shè)計，老師總是給我們細(xì)心引導(dǎo)和耐心講解。比如：端點(diǎn)檢測算法的運(yùn)行DTW算法等等，最終通過論導(dǎo)師以及同學(xué)的解答，均解決了。最后通過DTW算法進(jìn)行匹配，最終將結(jié)果在MATLAB命令窗口顯示出來。數(shù)字123456789100010正確數(shù)8910710879981095錯誤數(shù)2103023112015正確率80%90%100%70%100%80%70%90%90%80%100%86%表11 結(jié)果分析總結(jié)通過這次設(shè)計，了解了語音識別的發(fā)展歷史以及在語音識別中每個算法的原理。試驗數(shù)據(jù)如表11。采樣頻率為8kHz語音，語音幀長20ms，一幀分為25
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