commit

DTMF_tone_generator.m

@@ -0,0 +1,38 @@
+global keyNames tone_all h1 h2
+fs=8000;
+t=[0:1:204*5]/fs;   %每个子信号给的时间
+x=zeros(1,length(t));
+x(1)=1;
+
+dtmf.keys = ... 
+   ['1','2','3','A';
+    '4','5','6','B';
+    '7','8','9','C';
+    '*','0','#','D'];
+
+dtmf.colTones = ones(4,1)*[1209,1336,1477,1633];   %列向量
+dtmf.rowTones = [697;770;852;941]*ones(1,4);       %行向量
+
+keyName = keyNames(length(keyNames));
+[r,c] = find(dtmf.keys==keyName); 
+%根据按键将高低频率叠加，合成声音信号
+tone=filter([0 sin(2*pi*dtmf.rowTones(r,c)/fs) ],[1 -2*cos(2*pi*dtmf.rowTones(r,c)/fs) 1],x) + filter([0 sin(2*pi*dtmf.colTones(r,c)/fs) ],[1 -2*cos(2*pi*dtmf.colTones(r,c)/fs) 1],x);
+%disp(tone)
+soundsc(tone,fs);   %以fs=8000的采样频率播放合成的tone
+tone_all=[tone_all,zeros(1,400),tone];    %将新tone与原有的tone_all中间间隔400个0隔开加在后面
+
+%绘制时域图
+h1=subplot(2,3,2);plot(t,tone);grid on;
+title('输入音频信号的时域图');
+ylabel('Amplitude');
+xlabel('time (second)');
+axis([0 0.035 -2 2]);
+
+%绘制频谱图
+Ak=2*abs(fft(tone))/length(tone);Ak(1)=Ak(1)/2;
+f=[0:1:(length(tone)-1)/2]*fs/length(tone);
+h2=subplot(2,3,3);plot(f,Ak(1:(length(tone)+1)/2));grid on
+title('输入音频信号的频谱图');
+ylabel('Amplitude');
+xlabel('frequency (Hz)');
+axis([500 2000 0 1]);

Main.m

@@ -0,0 +1,140 @@
+close all;clear;clc;
+%% Main 
+global keyNames tone_all h1 h2 h3 h4 Decode_output File_Decode_output
+keyNames=[];
+tone_all=[];
+Decode_output=[];
+File_Decode_output=[];
+
+h1=subplot(2,3,2);grid on;
+title('时域图');
+ylabel('Amplitude');
+xlabel('time (second)');
+axis([0 0.035 -2 2]);
+
+h2=subplot(2,3,3);grid on;
+title('频域图');
+ylabel('Amplitude');
+xlabel('frequency (Hz)');
+axis([500 2000 0 1]);
+
+h3=subplot(2,3,5);grid on;
+title('峰值图');
+xlabel('Frequency (Hz)');
+ylabel('Amplitude');
+axis([500 2000 0 1]);
+
+h4=subplot(2,3,6);grid on;
+title('解码频域图');
+xlabel('Frequency (Hz)');
+ylabel('Amplitude');
+axis([500 2000 0 1]);
+
+%% UI
+set(gcf,'Units','centimeters','position',[1 2 49 24],'Name','DTMF_SYSTEM'); % UI Window Position
+
+bip=[100,600]; 
+bs=60;
+
+AuthorDisplay=uicontrol('Style', 'text', 'Position',[bip+[0 bs*4],220,35],'String', '电信1803 袁亦忱','FontSize',20,'HorizontalAlignment','left','BackgroundColor',[0.937 0.867 0.867]);
+
+NotesDisplay=uicontrol('Style', 'text', 'Position',[bip+[0 bs*2.2],300,80],'String', '注意:（1）先拨号再解码                                               （2）不可以拨空号                                               （3）删除键单独设置，不是*                                 （4）拨号后不可删除','FontSize',10,'HorizontalAlignment','left','BackgroundColor',[0.839 0.91 0.851]);
+
+InputDisplay=uicontrol('Style', 'text', 'Position',[bip+[0 bs*1.5],85,35],'String', '输入: ','FontSize',20,'HorizontalAlignment','left','BackgroundColor',[0.839 0.91 0.851]);
+
+Display=uicontrol('Style', 'text', 'Position',[bip+[0 bs*1],385,35],'String', 'KeyNames','FontSize',20,'HorizontalAlignment','left','FontSize',20,'BackgroundColor',[0.973 0.973 0.973]);
+set(Display,'String',keyNames);
+
+button1 = uicontrol;
+set(button1,'String','1','Position',[bip,repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(button1,'Callback','button_1');
+
+button2 = uicontrol;
+set(button2,'String','2','Position',[bip+[bs*1 0],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(button2,'Callback','button_2');
+
+button3 = uicontrol; 
+set(button3,'String','3','Position',[bip+[bs*2 0],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]);
+set(button3,'Callback','button_3');
+
+buttonA = uicontrol;
+set(buttonA,'String','A','Position',[bip+[bs*3 0],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(buttonA,'Callback','button_A'); 
+
+button4 = uicontrol;
+set(button4,'String','4','Position',[bip+[0 -bs*1],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]);
+set(button4,'Callback','button_4');
+
+button5 = uicontrol; 
+set(button5,'String','5','Position',[bip+[bs*1 -bs*1],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(button5,'Callback','button_5');
+
+button6 = uicontrol;
+set(button6,'String','6','Position',[bip+[bs*2 -bs*1],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]);
+set(button6,'Callback','button_6');
+
+buttonB = uicontrol;
+set(buttonB,'String','B','Position',[bip+[bs*3 -bs*1],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(buttonB,'Callback','button_B'); 
+
+button7 = uicontrol; 
+set(button7,'String','7','Position',[bip+[0 -bs*2],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(button7,'Callback','button_7'); 
+
+button8 = uicontrol; 
+set(button8,'String','8','Position',[bip+[bs*1 -bs*2],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]);
+set(button8,'Callback','button_8');
+
+button9 = uicontrol;
+set(button9,'String','9','Position',[bip+[bs*2 -bs*2],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(button9,'Callback','button_9');
+
+buttonC = uicontrol; 
+set(buttonC,'String','C','Position',[bip+[bs*3 -bs*2],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(buttonC,'Callback','button_C'); 
+
+buttonStar = uicontrol;
+set(buttonStar,'String','*','Position',[bip+[0 -bs*3],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]);
+set(buttonStar,'Callback','button_Star');
+
+button0 = uicontrol; 
+set(button0,'String','0','Position',[bip+[bs*1 -bs*3],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(button0,'Callback','button_0'); 
+
+buttonSign = uicontrol;
+set(buttonSign,'String','#','Position',[bip+[bs*2 -bs*3],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(buttonSign,'Callback','button_Sign'); 
+
+buttonD = uicontrol;
+set(buttonD,'String','D','Position',[bip+[bs*3 -bs*3],repmat(bs,1,2)],'FontSize',20,'BackgroundColor',[0.804 0.878 0.969]); 
+set(buttonD,'Callback','button_D');
+
+buttonRecord = uicontrol;
+set(buttonRecord,'String','拨号','Position',[bip+[0 -bs*3.5],bs*4,bs/2],'FontSize',20,'BackgroundColor',[0.839 0.91 0.851]);
+set(buttonRecord,'Callback','button_Record');
+
+buttonDelete = uicontrol;
+set(buttonDelete,'String','删除','Position',[bip+[0 -bs*4],bs*4,bs/2],'FontSize',20,'BackgroundColor',[0.439 0.51 0.851]); 
+set(buttonDelete,'Callback','button_Delete');
+
+buttonClear = uicontrol;
+set(buttonClear,'String','全部清除','Position',[bip+[0 -bs*4.5],bs*4,bs/2],'FontSize',20,'BackgroundColor',[0.937 0.867 0.867]); 
+set(buttonClear,'Callback','button_Clear'); 
+
+buttonDecode = uicontrol; 
+set(buttonDecode,'String','解码','Position',[bip+[0 -bs*5],bs*4,bs/2],'FontSize',20,'BackgroundColor',[0.992 0.918 0.796]); 
+set(buttonDecode,'Callback','button_Decode');
+
+buttonFileDecode = uicontrol; 
+set(buttonFileDecode,'String','音频文件解码','Position',[bip+[0 -bs*5.5],bs*4,bs/2],'FontSize',20,'BackgroundColor',[0.592 0.518 0.796]); 
+set(buttonFileDecode,'Callback','button_FileDecode'); 
+
+DecodeDisplay=uicontrol('Style', 'text', 'Position',[bip+[0 -bs*6.5],250,35],'String', '输入解码结果: ','FontSize',15,'HorizontalAlignment','left','BackgroundColor',[0.839 0.91 0.851]);
+
+Display2=uicontrol('Style', 'text', 'Position',[bip+[0 -bs*7],385,35],'String', 'KeyNames','FontSize',15,'HorizontalAlignment','left','FontSize',20,'BackgroundColor',[0.973 0.973 0.973]);
+set(Display2,'String',Decode_output);
+
+DecodeDisplay=uicontrol('Style', 'text', 'Position',[bip+[0 -bs*8],250,35],'String', '音频文件解码结果: ','FontSize',15,'HorizontalAlignment','left','BackgroundColor',[0.839 0.91 0.851]);
+
+Display3=uicontrol('Style', 'text', 'Position',[bip+[0 -bs*8.5],385,35],'String', 'KeyNames','FontSize',15,'HorizontalAlignment','left','FontSize',20,'BackgroundColor',[0.973 0.973 0.973]);
+set(Display3,'String',File_Decode_output); 

button_0.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'0'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_1.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'1'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_2.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'2'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_3.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'3'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_4.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'4'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_5.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'5'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_6.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'6'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_7.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'7'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_8.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'8'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_9.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'9'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_A.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'A'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_B.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'B'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_C.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'C'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;

button_Clear.m

@@ -0,0 +1,12 @@
+global keyNames tone_all h1 h2 h3 h4 Decode_output File_Decode_output
+keyNames=[];
+tone_all=[];
+Decode_output=[];
+File_Decode_output=[];
+set(Display,'String',keyNames); 
+set(Display2,'String',Decode_output); 
+set(Display3,'String',File_Decode_output); 
+cla(h1);
+cla(h2);
+cla(h3);
+cla(h4);

button_D.m

@@ -0,0 +1,4 @@
+global keyNames
+keyNames=[keyNames,'D'];
+set(Display,'String',keyNames); 
+DTMF_tone_generator;