Functions

This section contains information about functions provided by the Microsoft XAudio2 API.

In this section

TopicDescription

CreateFX

Creates an instance of the requested XAPOFX effect.

ReverbConvertI3DL2ToNative

Inline function that converts I3DL2 (Interactive 3D Audio Rendering Guidelines Level 2.0) parameters to native XAudio2 parameters.

X3DAudioCalculate

Calculates DSP settings with respect to 3D parameters.

X3DAudioInitialize

Sets all global 3D audio constants.

XAudio2AmplitudeRatioToDecibels

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

XAudio2Create

Creates a new XAudio2 object and returns a pointer to its IXAudio2 interface.

XAudio2CreateReverb

Creates a new reverb audio processing object (APO), and returns a pointer to it.

XAudio2CreateVolumeMeter

Creates a new volume meter audio processing object (APO) and returns a pointer to it.

XAudio2CutoffFrequencyToOnePoleCoefficient

Inline function that converts from filter cutoff frequencies expressed in hertz to the filter coefficients used with the Frequency member of the XAUDIO2_FILTER_PARAMETERS structure.

XAudio2CutoffFrequencyToRadians

Inline function that converts from filter cutoff frequencies expressed in hertz to the radian frequency values used in the Frequency member of the XAUDIO2_FILTER_PARAMETERS structure.

XAudio2DecibelsToAmplitudeRatio

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

XAudio2FrequencyRatioToSemitones

Inline function that converts a frequency ratio value to a semitone value.

XAudio2RadiansToCutoffFrequency

Inline function that converts from the radian frequencies used in XAUDIO2_FILTER_PARAMETERS back to absolute frequencies in hertz.

XAudio2SemitonesToFrequencyRatio

Inline function that converts a semitone value to a frequency ratio value.

 

Related topics

XAudio2::Programming Reference

 

 

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