Re: question about localization rig (Tom Francart )


Subject: Re: question about localization rig
From:    Tom Francart  <tom.francart@xxxxxxxx>
Date:    Wed, 4 Jul 2012 10:24:26 +0200
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

Dear Stefan, In our lab (ExpORL, KU Leuven), we use two RME Multiface II sound cards (http://www.rme-audio.de/en_products_multiface_2.php), connected directly to active loudspeakers. Any number of these sound cards can be simply linked together and act as one ASIO sound card with many channels. The nice thing about using a standard ASIO sound card is that you don't have to cope with any special drivers, toolboxes or ActiveX nightmares. On the software side we mainly use our APEX 3 platform, which can easily be configured for sound localisation experiments. Cf. http://www.kuleuven.be/exporl/apex for more information. best regards, Tom On Mon, Jul 2, 2012 at 3:18 PM, Stefan Bleeck <bleeck@xxxxxxxx> wrote: > Dear learned colleagues > We are replacing our old psychophysics sound localization rig that is > regularly used in research and education (typical example: MSc project > on sound localization ability when wearing hearing aids). We would > like to have a good resolution and the ability to play sounds via any > number of channels simultaneously. > I am asking for your opinion about the following two options (Both are > about the same price and have 24 channels (up to 16 bit and 100 kHz). > > A) > National Instruments > http://ohm.ni.com/advisors/retrieve?id=PX2936227&emailqte=1450855 > is controlled via data acquisition toolbox and connected to PC via > express card (for flexibility, though can use PCI card as well as or > instead of). > > B) > Tucker Davies: > www.tdt.com/products/RX8.htm > TD is controlled using MATLAB via ActiveX and connected to PC via PCI > card. Both options require us to sort out amplification, though TD > would be delighted to sell us three 8-channel amps totalling 1.5k. > > > Can you recommend one on the basis of your experience? > > > > cheers, > Stefan > > > -- > Dr. Stefan Bleeck > Hearing and Balance Centre > Institute of Sound and Vibration Research > Faculty of Engineering and the Environment > University of Southampton, SO17 1BJ, UK > Room 4093, Tizard building (13) > bleeck@xxxxxxxx Tel.: 02380 596682 -- Tom Francart, PhD ExpORL, Dept Neurosciences, Katholieke Universiteit Leuven, Belgium Tel: +32 16 33 04 76


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