I don't understand how fir filter works to reduce noise

Discussion in 'The Projects Forum' started by northlend, Nov 27, 2016.

  1. northlend

    Thread Starter New Member

    Nov 1, 2016
    2
    0
    my project is about sound using quartus and de1-soc board
    speak to microphone and speaker output the sound

    This is the picture of the part of my project
    input : sound from microphone and noise
    and my project is to reduce noise by using fir filter

    I don't understand this algorism

    Is anyone who teach me how this algorism works?

    1.PNG
    2.PNG

    Moderators note: inserted full images
     
    Last edited by a moderator: Nov 27, 2016
  2. Picbuster

    Well-Known Member

    Dec 2, 2013
    900
    117
    Here a simple explanation of a http://www.eas.uccs.edu/~mwickert/ece2610/lecture_notes/ece2610_chap5.pdf
    Picbuster
     
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