Survilleance with video command using labview

[izalyn]

Hi..good day..As a part of Signals subject, we are ask to make a voice recogniton using labview. And I've watched this video entitled "Survilleance with Video Command using Labview..The problem is i dont know what code will i use in other part of this project..I've already started it in the labview and I am stucked in the sub vi of input speech..can anyone help me please. I've included an attchment below form unfinished labview.Hope you can help me.. Thanks!

[izalyn]

I've got this code from the internet (please see attached file). But i dont know what code in the labview he used for the waveformGraph in and on how he do the coding in the part of "Divide into 20ms Frames", Threshold calculation", and the "Start End Time".. Actually, im new to labview and I really dont have an idea how to this framing..Please can anyone help me ..Thanks!