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PKEY_AudioEndpoint_Min_VolumeInDb

The PKEY_AudioEndpoint_Min_VolumeInDb property indicates the minimum volume in decibels for an audio endpoint device. This INF-supplied property is used by the OS volume implementation.

The vt member of the PROPVARIANT structure is set to VT_I4.

The lVal member of the PROPVARIANT structure contains a float value expressed in fixed point 16.16 format.

Requirements

Requirement Value
Minimum supported client
Windows Build 26100
Minimum supported server
Windows Server 2025
Header
Mmdeviceapi.h

See also

Audio Endpoint Properties

Core Audio Properties

PKEY_AudioEndpoint_Max_VolumeInDb