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Measuring acoustic noise of MRI scanner

To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Measuring acoustic noise of MRI scanner
From: Fatima Husain <husainf@xxxxxxxxxx>
Date: Tue, 28 Dec 2010 21:29:35 -0600
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Reply-to: Fatima Husain <husainf@xxxxxxxxxx>
Sender: AUDITORY - Research in Auditory Perception <AUDITORY@xxxxxxxxxxxxxxx>

I am trying to set up a relatively easy method to measure acoustic noise within MRI scanners, as close to the bore as possible.
I have come up with two scenarios, wondering if anyone has any experience with either?

1] measure noise using an MRI-compatible sound level meter, such as (http://www.allmri.com/product_info.php?language=en&info=p282_mrt-lautstaerkepegelmessung.html&)

2] use a calibrated microphone, extension cable threaded through a wave guide and an external integrating sound level meter, such as instruments from Casella Cel (casellausa.com)

Thanks in advance!

Fatima

--
Fatima Husain, Ph.D.
Auditory Cognitive Neuroscience Lab
Assistant Professor, Speech and Hearing Science and the Beckman Institute
University of Illinois
husainf@xxxxxxxxxx
husainf@xxxxxxxxxxxx
www.acnlab.com

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