Core Audio Structures

This section describes the structures that are used by the Core Audio APIs in Windows Vista and later.

Structure Description
AUDIO_VOLUME_NOTIFICATION_DATA Describes a change in the volume level or muting state of an audio endpoint device.
DIRECTX_AUDIO_ACTIVATION_PARAMS Specifies the initialization parameters for a DirectSound stream.
KSJACK_DESCRIPTION Retrieved through IKsJackDescription::GetJackDescription; describes an audio jack.


Retrieved through IKsJackDescription2::GetJackDescription2; describes an audio jack.


Retrieved through IKsJackSinkInformation::GetJackSinkInformation; describes an audio jack sink.


Stores the video port identifier.


Related topics

Programming Reference