Music Player
The Operating Environment
Final Result
Browse Code
function browse_Callback(hObject, eventdata, handles)
% hObject handle to browse (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
[filename pathname] = uigetfile({'*.mp3'}, 'File Selector');
handles.fullpathname = strcat(pathname, filename);
set(handles.address, 'String', handles.fullpathname)
guidata(hObject, handles)
Play Equalizer
function play_equalizer(hObject, handles)
global player;
[handles.y,handles.Fs] = audioread(handles.fullpathname);
handles.Volume=get(handles.volume,'value');
%handles.y=handles.y(NewStart:end,:);
handles.g1=get(handles.slider1,'value');
handles.g2=get(handles.slider2,'value');
handles.g3=get(handles.slider3,'value');
handles.g4=get(handles.slider4,'value');
handles.g5=get(handles.slider5,'value');
handles.g6=get(handles.slider6,'value');
handles.g7=get(handles.slider7,'value');
handles.g8=get(handles.slider8,'value');
handles.g9=get(handles.slider9,'value');
handles.g10=get(handles.slider10,'value');
set(handles.text17, 'String',handles.g1);
set(handles.text20, 'String',handles.g2);
set(handles.text21, 'String',handles.g3);
set(handles.text22, 'String',handles.g4);
set(handles.text23, 'String',handles.g5);
set(handles.text24, 'String',handles.g6);
set(handles.text25, 'String',handles.g7);
set(handles.text26, 'String',handles.g8);
set(handles.text27, 'String',handles.g9);
set(handles.text28, 'String',handles.g10);
cut_off=200; %cut off low pass dalama Hz
orde=16;
a=fir1(orde,cut_off/(handles.Fs/2),'low');
y1=handles.g1*filter(a,1,handles.y);
% %bandpass1
f1=201;
f2=400;
b1=fir1(orde,[f1/(handles.Fs/2) f2/(handles.Fs/2)],'bandpass');
y2=handles.g2*filter(b1,1,handles.y);
%
% %bandpass2
f3=401;
f4=800;
b2=fir1(orde,[f3/(handles.Fs/2) f4/(handles.Fs/2)],'bandpass');
y3=handles.g3*filter(b2,1,handles.y);
%
% %bandpass3
f4=801;
f5=1500;
b3=fir1(orde,[f4/(handles.Fs/2) f5/(handles.Fs/2)],'bandpass');
y4=handles.g4*filter(b3,1,handles.y);
%
% %bandpass4
f5=1501;
f6=3000;
b4=fir1(orde,[f5/(handles.Fs/2) f6/(handles.Fs/2)],'bandpass');
y5=handles.g5*filter(b4,1,handles.y);
%
% %bandpass5
f7=3001;
f8=5000;
b5=fir1(orde,[f7/(handles.Fs/2) f8/(handles.Fs/2)],'bandpass');
y6=handles.g6*filter(b5,1,handles.y);
%
% %bandpass6
f9=5001;
f10=7000;
b6=fir1(orde,[f9/(handles.Fs/2) f10/(handles.Fs/2)],'bandpass');
y7=handles.g7*filter(b6,1,handles.y);
%
% %bandpass7
f11=7001;
f12=10000;
b7=fir1(orde,[f11/(handles.Fs/2) f12/(handles.Fs/2)],'bandpass');
y8=handles.g8*filter(b7,1,handles.y);
%
% %bandpass8
f13=10001;
f14=15000;
b8=fir1(orde,[f13/(handles.Fs/2) f14/(handles.Fs/2)],'bandpass');
y9=handles.g9*filter(b8,1,handles.y);
%
%highpass
cut_off2=15000;
c=fir1(orde,cut_off2/(handles.Fs/2),'high');
y10=handles.g10*filter(c,1,handles.y);
%handles.yT=y1+y2+y3+y4+y5+y6+y7;
handles.yT=y1+y2+y3+y4+y5+y6+y7+y8+y9+y10;
player = audioplayer(handles.Volume*handles.yT, handles.Fs);
subplot(2,1,1);
plot(handles.y);
subplot(2,1,2);
plot(handles.yT);
guidata(hObject,handles)