Welcome to the home page of the special Assistive Listening Device (ALD) discovery and development project


Michigan State University

Please browse the following pages to learn more about this exciting project.


Proposal for Faculty Hearing Assistive Equipment

Graphic description of possible solutions

Links to Assistive Listening Device Information

Simulations that demonstrate sound output from several different audio sensing devices

Sennheiser ALD System Trial

Summary of our activities up to March 20, 1999

Summary of our activities up to May 14, 1999

Beam forming demonstration project

Sept.99 Beamforming Experiment Report

Vertical Array construction plan

Beamforming Geometric design considerations

DSP delay and sum beam forming microphone array 3D sensitivity patterns

May 2000 ALD Project Progress Report

This site was created by Stephen Blosser, please direct any questions or comments by
E-mail to blossers@pilot.msu.edu


We have had visitors to this page since Nov. 25, 1998.

Top of page