Tools for auditory display research
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TDT will demonstrate its Power sDAC Convolver and RP2 Real-Time Processor systems for generating real-time 3D auditory displays based on head-related transfer functions (HRTFs) and head-tracker data. These tools are designed to support research into the efficacy of auditory display techniques by giving the user complete control over signal generation, presentation, and dynamic updating of position-specific HRTFs. They allow display of multiple acoustic images and creation of reverberant models. TDT has also created a library of HRTF's measured from over 100 subjects in a custom anechoic chamber with a speaker mounted on a robot arm.