From Forum Nokia Wiki

This example will show you how to play a hit tone. It's pretty simple:

Contents 1 MMP File 2 Header File 3 Source File 4 More information

MMP File

LIBRARY mediaclientaudio.lib

Header File

#include <coecntrl.h>
#include <MdaAudioTonePlayer.h>
 
 
// CLASS DECLARATION
 
class CAppView : public CCoeControl,
public MMdaAudioToneObserver
	{
public:
	// New methods
 
	static CAppView* NewL(const TRect& aRect);
 
	static CAppView* NewLC(const TRect& aRect);
 
	virtual ~CAppView();
 
public:
	// Functions from base classes
 
	void Draw(const TRect& aRect) const;
 
	virtual void SizeChanged();
        
      void PlayTone();    
 
        // From MdaAudioToneObserver
      void MatoPrepareComplete(TInt aError);
      void MatoPlayComplete(TInt aError);
	
	
private:
	// Constructors
 
	void ConstructL(const TRect& aRect);
 
 
private: //Data
	
	CMdaAudioToneUtility* iAudioToneUtility;
	
	};

Source File

#include <coemain.h>
#include "AppView.h"
 
void CAppView::ConstructL(const TRect& aRect)
	{
	
	iAudioToneUtility = CMdaAudioToneUtility::NewL (*this);
 
        // First argument (700) is the frequency 
        //Second argument (1700) is the duration in micro seconds
	iAudioToneUtility->PrepareToPlayTone(700, 1700);
 
        // Sets the tone volume to max volume
	iAudioToneUtility->SetVolume(iAudioToneUtility->MaxVolume());
	
	}
 
CAppView::~CAppView()
	{
	delete iAudioToneUtility;
	}
 
void CAppView::PlayTone()
	{
	TRAPD(error, iAudioToneUtility->Play());
	}
 
void CAppView::MatoPrepareComplete(TInt aError)
	{
	
	}
 
void CAppView::MatoPlayComplete(TInt aError)
	{
	
	}

More information

For more information, search the SDK Help for "tone utility".