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Re: AUDITORY Digest - 29 Jun 2012 to 2 Jul 2012 (#2012-160)

Hi Stefan,

have a look at
Seeber BU, Kerber S, Hafter ER (2010) A System to Simulate and Reproduce Audio-Visual Environments for Spatial Hearing Research. Hearing Research 260:1-10. for details of our current system and my previous one at Berkeley. We are using the MOTU 24 I/O (24 channels, up to 24 bit/96 kHz) with amplifiers at a fraction of your suggested price. Let me know if you have questions,



Date:    Mon, 2 Jul 2012 14:18:26 +0100
From:    Stefan Bleeck <bleeck@xxxxxxxxx>
Subject: question about localization rig

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).

National Instruments
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).

Tucker Davies:
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 =A31.5k.

Can you recommend one on the basis of your experience?


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@xxxxxxxxx Tel.: 02380 596682


Dr.-Ing. Bernhard U. Seeber
MRC Institute of Hearing Research
Science Rd., University Park
NG7 2RD, United Kingdom

office:	+44 115 951 8508 ext. 205
switch:	+44 115 922 3431
fax:	+44 115 951 8503
mobile:	+44 786 763 5680
web:	www.ihr.mrc.ac.uk