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Voice Recognition using Advanced Signal Processing Toolkit and LabVIEW

by Active Participant G-Money on ‎09-11-2008 05:27 PM

Overview

This example VI utilizes the Advanced Signal Processing Toolkit to perform voice analysis on a sound file.

Description

I unfortunately cannot get credit for this package but I don't know who the author is. For a very detailed tutorial on the subject of voice recognition and the original files, please visit Using LabVIEW for Voice Signal Analysis. The Advanced Signal Processing Toolkit includes the Modeling and Prediction VIs that you can use to obtain the LPC coefficients or AR model coefficients, as shown in the figures below. The LabVIEW Signal Processing VIs include the Scaled Time Domain Window VI and the FFT VI. You can use these VIs to apply a window to the source signal and calculate the DFT of the signal block, respectively. The Advanced Signal Processing Toolkit also includes the Correlation and Spectral Analysis VIs that you can use to calculate the real cepstrum of a signal. In the figures below, you use the WA Multiscale Peak Detection VI to detect the resonance peaks in the cepstrum.

Requirements

Software

LabVIEW 8.6 (or compatible)

Advanced Signal Processing Toolkit

Steps to Implement or Execute Code

  1. Download the example and corresponding files
  2. Unzip the folder
  3. Run the VI

Additional Information or References


**This document has been updated to meet the current required format for the NI Code Exchange.**

Comments
Member 快乐创新
Member

QQ截图20141204223823.pnghello! how to solve this problem? i am using labview2014, and many vis for example can't load.

Member JoshY
Member

It would depend on which VI's you're referring to. Some VI's may need the Advanced Signal Processing Toolkit mentioned above. Other VI's like the Excel specific ones have changed with newer versions of LabVIEW.

You can still open the main VI without these missing ones to figure out which VI's are missing and what you need to run the program.

Member 快乐创新
Member

thanks

Member virmis007
Member

Many vi's are missing and the main vi cannot run without them. Where are they?

Member clebermarques
Member

Many vi's are missing and the main vi cannot run without them. Where are they?