Sound Pressure (Microphone)

Creates channel(s) that use a microphone to measure sound pressure.

Refer to the National Instruments NI-DAQmx C Reference Help file for detailed descriptions of these options, under NI-DAQmx C Functions > Channel Configuration/Creation > Create Analog Input Channels > DAQmxCreateA\MicrophoneChan.


Excitation Source: Indicates the source of the excitation.

Excitation Value: Indicates the amount of excitation, in amperes, that the sensor requires.

Maximum Sound Pressure Level: Indicates the maximum instantaneous sound pressure level you expect to measure.

Microphone Sensitivity: Indicates the sensitivity of the microphone.

Terminal Configuration: Indicates the input terminal to be configured for the channel.