piano

I am having issues with my software. In my piano software if I keep pressing a key on the keyboard then it is making multiple repeated same tones of that particular key. But actually I need a single tone until the release of that particular key. I'm providing a part of my code that detects the keyPress event and calls the corresponding method. So what should be the changes that I've to do with my code?? def keyPressEvent(self, event): if type(event) == QtGui.QKeyEvent and event.key() == QtCore.Qt.Key_A : self.Playnote('/home/hemanth/hemanth/Piano/C.mp3') self.ui.pushButton.animateClick(100) if

Closed . This question needs to be more focused. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it focuses on one problem only by editing this post . I am newbei in creating such piano based UI application. I am developing an application in which i have to use Piano. How to create piano UI in Iphone? How to create it using Interface builder ? or is there any other way to create the piano? I am in urgent need to create such UI,If any body has any solution or any useful code or any Link,which would be appreciated. Thanks, Niraj Version 1

I need to create a virtual piano containing four octaves using JLayeredPane inside a JScrollPane such that one octave is shown initially, and can be scrolled horizontally to see the other octaves. My code displays only one octave and does not show the scrollbar and the other octaves. What is the problem with the following code? class PianoLayout extends JScrollPane { public PianoLayout() { initComponents(); } private void initComponents() { JLayeredPane layer = new JLayeredPane(); //ScrollableLayeredPane layer = new ScrollableLayeredPane(); layer.setSize(1120,150); JButton[] keys = new JButton

I need to generate a tone that I can manipulate frequency and wave. The overall goal is to create a basic piano. Does anyone know how I can achieve this? My development platform is the iPhone 2.x You could always start with sin waves. :-) #include <cmath> typedef double Sample; typedef double Time; class MonoNote { protected: Time start, duration; virtual void internalRender(double now, Sample *mono) = 0; public: MonoNote(Time s, Time d) : start(s), duration(d) {} virtual ~MonoNote() {} void render(double now, Sample *mono) { if (start <= now && now < start + duration) { internalRender(now,