Analog Input >> Sound Pressure >> dB Reference

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: float64
Description: 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 Maximum Sound Pressure Level to a voltage level.

You can get/set/reset this property using:





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