XAudio2AmplitudeRatioToDecibels function (xaudio2.h)

Inline function that converts an amplitude ratio value to a decibel value.

Syntax

float XAudio2AmplitudeRatioToDecibels(
  [in] float Volume
);

Parameters

[in] Volume

Floating point value representing the amplitude ratio.

Return value

Returns a floating point value that represents the decibel value.

Remarks

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

Requirement	Value
Target Platform	Windows
Header	xaudio2.h

See also

XAudio2::Functions