XAudio2 interfaces

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

In this section

Topic	Description
IXAudio2	IXAudio2 is the interface for the XAudio2 object that manages all audio engine states, the audio processing thread, the voice graph, and so forth.
IXAudio2Voice	IXAudio2Voice represents the base interface from which IXAudio2SourceVoice, IXAudio2SubmixVoice and IXAudio2MasteringVoice are derived. The methods listed below are common to all voice subclasses.
IXAudio2SourceVoice	Use a source voice to submit audio data to the XAudio2 processing pipeline.
IXAudio2SubmixVoice	A submix voice is used primarily for performance improvements and effects processing.
IXAudio2MasteringVoice	A mastering voice is used to represent the audio output device.
IXAudio2EngineCallback	The IXAudio2EngineCallback interface contains methods that notify the client when certain events happen in the IXAudio2 engine.
IXAudio2VoiceCallback	The IXAudio2VoiceCallback interface contains methods that notify the client when certain events happen in a given IXAudio2SourceVoice.
IXAPO	The interface for an Audio Processing Object which be used in an XAudio2 effect chain.
IXAPOParameters	An optional interface that allows an XAPO to use effect-specific parameters.
IXAPOHrtfParameters	The interface used to set parameters that control how head-related transfer function (HRTF) is applied to a sound.