how to play audio file in qml

hi,

i want to play wav file.

it gives following error when i try to run in simulator.

Quote:

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QMediaPluginLoader: Failed to load plugin: "C:/QtSDK/Simulator/Qt/mingw/plugins/mediaservice/qsimulatorengined.dll" "The plugin 'C:/QtSDK/Simulator/Qt/mingw/plugins/mediaservice/qsimulatorengined.dll' uses incompatible Qt library. Expected build key "Windows mingw release full-config", got "Windows mingw debug full-config""
QMediaPluginLoader: Failed to load plugin: "C:/QtSDK/Simulator/Qt/mingw/plugins/mediaservice/qtmedia_audioengined.dll" "The plugin 'C:/QtSDK/Simulator/Qt/mingw/plugins/mediaservice/qtmedia_audioengined.dll' uses incompatible Qt library. Expected build key "Windows mingw release full-config", got "Windows mingw debug full-config""
defaultServiceProvider::requestService(): no service found for - "com.nokia.qt.mediaplayer"

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please help me

thanks in advance

hema