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[Discuss-gnuradio] Restoring signal after FFT-IFFT

From: Maicon Kist
Subject: [Discuss-gnuradio] Restoring signal after FFT-IFFT
Date: Mon, 8 Oct 2012 09:24:27 -0300

Hi list,

I'm trying to recover a sound after passing it by a FFT and a IFFT. The problem is that after the IFFT (to recover the original sound) and sending it to the audio sink, I hear only wheezings.

Attached to this email is the system that I created using the GNU Radio Companion tool.

Do your guys have any suggestion to recover the sound correctly? I think that maybe is something with the sample frequency.



Attachment: ifft2.png
Description: PNG image

Attachment: ifft2.grc
Description: Binary data

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