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Adding stereo widening to the Symbian C++ audio player

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Article Metadata
Code ExampleTested with
Devices(s): Nokia N95
Platform(s): S60 3rd Edition
Keywords: CStereoWidening
Created: User:Technical writer 1 (09 Oct 2008)
Last edited: lpvalente (23 Sep 2014)



The S60 platform has several audio enhancement APIs that can be used to modify the audio experience. One of them is the CStereoWidening API.

This snippet can be self-signed.


The audio player must be fully constructed before constructing the instance of the API. This can be done with the following lines of code:

 iMdaAudioPlayerUtility =

MMP file

The following capabilities and libraries are required:


LIBRARY StereoWideningEffect.lib

HEADER stereowideningbase.h

Source file

First you need to construct the reverb utility instance:

 iStereoWidening = CStereoWidening::NewL(*iMdaAudioPlayerUtility);

To set the stereo widening on, you just need to call the following two lines of code:


To set the stereo widening off, just call the following line of code:


Test application

See also

Adding doppler effects to the audio player in Symbian C++

Adding source location effects to the Symbian C++ audio player

Adding listener's location effects to the Symbian C++ audio player

Adding bass boost to the Symbian C++ audio player

Adding reverb to the Symbian C++ audio player

Adding equalizer to the Symbian C++ audio player

This page was last modified on 23 September 2014, at 19:54.
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