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

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northlend

Joined Nov 1, 2016
2
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
 
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Picbuster

Joined Dec 2, 2013
996
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