PKEY_AudioEndpoint_PhysicalSpeakers Property

PKEY_AudioEndpoint_PhysicalSpeakers Property

The PKEY_AudioEndpoint_PhysicalSpeakers property specifies the channel-configuration mask for the audio endpoint device. The mask indicates the physical configuration of a set of speakers and specifies the assignment of channels to speakers. For more information about channel-configuration masks, see the following:

• The description of the KSPROPERTY_AUDIO_CHANNEL_CONFIG property in the Windows DDK documentation.
• The white paper titled "Audio Driver Support for Home Theater Speaker Configurations" at the Audio Device Technologies for Windows Web site.

The vt member of the PROPVARIANT structure is set to VT_UI4.

The uintVal member of the PROPVARIANT structure contains a channel-configuration mask that is cast to type UINT.

Requirements

Client: Windows Vista

Header: Include Mmdeviceapi.h.

See Also

• Audio Endpoint Properties