XAudio2DecibelsToAmplitudeRatio function
Inline function that converts a decibel value to an amplitude ratio value.
Syntax
float XAudio2DecibelsToAmplitudeRatio( _In_ float Decibels );
Parameters
- Decibels [in]
-
Floating point value representing the decibel level.
Return value
Returns a floating point value that represents the amplitude ratio.
Remarks
This function can be used to calculate the Volume parameter value passed to the IXAudio2Voice::SetVolume function.
You must explicitly define XAUDIO2_HELPER_FUNCTIONS in your build for this function to become available.
Platform Requirements
Windows 10 (XAudio2.9); Windows 8, Windows Phone 8 (XAudio 2.8); DirectX SDK (XAudio 2.7)
Requirements
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See also