Getting sound to play and stop

2 次查看(过去 30 天)
I am trying to start and stop playing music in GUI matlab
% --- Executes on button press in Start.
function Start_Callback(hObject, eventdata, handles)
% hObject handle to Start (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
playersound
% --- Executes on button press in Stop.
function Stop_Callback(hObject, eventdata, handles)
% hObject handle to Stop (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
stop(player)
I call my function playersound but I do not hear any sound.
function player=playersound
%My Function
[y,Fs]=wavread('Phone_01.wav');
player=audioplayer(y,Fs);
play(player)
It works if I run the function or use it in the command window but in the GUI it does not. Please bare with me as I am new with GUI but I think it is not calling back properly.
Thank you
  2 个评论
Rooy
Rooy 2012-4-14
It shows that it is playing but I do not hear anything.
Daniel Shub
Daniel Shub 2012-4-15
This is basically identical to:
http://www.mathworks.com/matlabcentral/answers/18530-audioplayer

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采纳的回答

Walter Roberson
Walter Roberson 2012-4-14
Your audioplayer object is going out of scope when playersound() exits. When it goes out of scope, the object is deleted.
You need to save the player object and you need to be able to get to that player object in your stop callback.
  2 个评论
Rooy
Rooy 2012-4-14
Would this affect my ability to hear the music when I press the button because even that is not working.
Thank you

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