DVD Player SDK ActiveX Control ReferenceMethods ChangeTempo DVD Player ActiveX Control ChangeTempo Change the audio tempo in real time. You must set EnableAudioPitch property to true first. Public Function ChangeTempo( ByVal iTempo As Integer ) ParameteriTempothe percentage of tempo is -50 to 100, By default is 0.No Return ValueExample Visual Basic SyntaxDVDPlayer.EnableAudioPitch=TrueDVDPlayer.OpenDVDDVDPlayer.ChangeTempo 100