Analog Input:Sound Pressure:dB Reference Property
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.
Permissions | read/write |
Resettable | yes |
Settable while task is running | device-specific |
Available in Run-Time Engine | yes |