Analog Input:Sound Pressure:dB Reference Property

DAQmx - Data Acquisition VIs and Functions

Edition Date: January 2019

Part Number: 370469AP-01

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Short Name: AI.SoundPressure.dBRef

Property of DAQmx Channel

Specifies the decibel reference level in the units of the channel. When you read samples as a waveform, the decibel reference level is included in the waveform attributes. NI-DAQmx also uses the decibel reference level when converting AI.SoundPressure.MaxSoundPressureLvl to a voltage level.

Remarks

The following table lists the characteristics of this property.

Permissionsread/write
Resettableyes
Settable while task is runningdevice-specific
Available in Run-Time Engineyes

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