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measure frequency,ampit itude from sound(urgent)

2 New Member
Hi Friends,

i just need to measure the frequency and ampitude from sound..

in my pro i create a sine wave(i set freq 1000hz,amptitud e200) and i passed that wave sound to my pc thru microphone,here i need to receive the sound to my program and the same time i need to dispaly the frequency,ampti tude(1000hz,200 ) in my program..so i need to measure freq,and amptitude from the incoming sound..using directx i can record the sound as wav file but can't gte freq and amptitude...

if u have anyidea plslet me know..

i am really in deadline..

waiitng for your valable reply...

thanks in advance..

with regards,
krish
Jan 3 '07 #1
2 2694
hazzainuk
16 New Member
http://www.elecdesign. com/Files/29/6264/Figure_02.gif
http://www.elecdesign. com/Articles/ArticleID/6264/6264.html

These two articles look like they could really help. Although they're written for electronic engineers the overall idea could be programmaticall y accomplished in a similar way.

Out of interest what is it for?
Jan 4 '07 #3

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