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Experiments​

Continuous Read and Analyze Microphone Data

Experiment #4 from Hands-On Introduction to NI LabVIEW™ with Vernier

Education Level
High School
College

Introduction

In this exercise, you will create a simple program using the Analog Express VI and the Spectral Measurements Express VI to continuously collect microphone data and continuously perform an FFT analysis on the data. A Fast Fourier Transform (FFT) is a mathematical algorithm commonly used in digital signal processing to determine the dominant frequencies in a complex waveform.

Objectives

In this experiment, you will

  • Create a LabVIEW VI to continuously collect and analyze data.
  • Incorporate LabVIEW Express Analysis functions.
  • Use a While Loop to keep collecting and analyzing data until stopped by the user.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

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Purchase the Lab Book

This experiment is #4 of Hands-On Introduction to NI LabVIEW™ with Vernier. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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