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Re: advice on equipment (headphones, microphones, sound cards)
Yes! You are right. Sorry, my first post was unclear.
I am using the laptop for stimuli presentation during the fMRI scan. I'm also using the laptop for some out-of-magnet behavioral tests. The microphone and headphones will *not* be used inside the fMRI. But, the laptop specs are important because they will present the subject with stimuli while in the scanner.
Basically I am looking for sound equipment advice for auditory experiments (forget I said anything about fMRI).
From: Trevor Agus [mailto:trevoragus@xxxxxxxxx]
Sent: Wed 8/29/2007 2:40 PM
To: Chang, Maria
Subject: Re: advice on equipment (headphones, microphones, sound cards)
Am I right in thinking that metalic objects (like headphones) should be kept well away from MRI machines, because of the powerful magnets? I've heard that people have tackled this problem by feeding sounds along plastic tubes. Or I think the Institute of Hearing Research may have developed non-metallic headphones. Perhaps contact Deb Hall ( d.hall@xxxxxxxxxxxxx <http://ihr.mrc.ac.uk/> ) there to ask what she uses.
On 29/08/2007, Chang, Maria <Maria.Chang@xxxxxxxxxxxxxxxxxxxxx> wrote:
I am purchasing equipment for auditory fMRI experiments run off of a laptop. I am looking for a sound card (PC card, usb, or ExressCard), headphones and a microphone.
The recording capabilites of the sound card and microphone don't need to be top of the line, they just need to be good enough for us to record quality auditory stimuli ( i.e. we will not be collecting speech data from subjects). Although, if a sound card with outstanding recording capabilities is only slightly more expensive, then I would be willing to invest in it in case we decide to collect speech data in the future (same goes for the microphones).
So far I've found the following options:
Headphones - Sennheiser HD280 PRO
Microphones - Shure SM-93, Audio Technica AT803B
Sound Cards - Echo Indigo, M-Audio Transit, Digigram VxPocket, SoundBlaster Audigy 2Zs, SoundBlaster X-Fi Extreme
Any recommendations (on or off this list) or objections? Any advice is greatly appreciated!