Audio device information properties

May 22, 2026 ยท View on GitHub

This article lists the device information properties related to audio devices. On Windows, each hardware device has associated DeviceInformation properties that provide detailed information about a device. You can use these properties when you need specific information about a device or when you are building a device selector.

For general information about enumerating devices on Windows, see Enumerate devices and Device information properties.

NameTypeDescription
System.Devices.AudioDevice.Microphone.SensitivityInDbfsDoubleSpecifies the microphone sensitivity in decibels relative to full scale (dBFS) units.
System.Devices.AudioDevice.Microphone.SensitivityInDbfs2DoubleSpecifies the microphone sensitivity in dBFS, measured after fixed hardware gain (if available). Assumes 0 dB software gain. Available starting with Windows 10, version 1803.
System.Devices.AudioDevice.Microphone.SignalToNoiseRatioInDbDoubleSpecifies the microphone signal to noise ratio (SNR) measured in decibel (dB) units.
System.Devices.AudioDevice.SpeechProcessingSupportedBooleanIndicates whether the audio device supports speech processing.
System.Devices.AudioDevice.RawProcessingSupportedBooleanIndicates whether the audio device supports raw processing.
System.Devices.MicrophoneArray.Geometryunsigned char[]Geometry data for a microphone array.