XAudio2SemitonesToFrequencyRatio function (xaudio2.h)
Inline function that converts a semitone value to a frequency ratio value.
Syntax
float XAudio2SemitonesToFrequencyRatio(
float Semitones
);
Parameters
Semitones
Floating point value representing the semitone value.
Return value
Returns a floating point value that represents the frequency ratio.
Remarks
XAudio2SemitonesToFrequencyRatio can be used to calculate the Ratio parameter value passed to the function IXAudio2SourceVoice::SetFrequencyRatio.
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 |