Acoustic Associates, Ltd.

Specialists in Hearing & Acoustics

Forensic Audiology

If you encountered a criminal, civil, workers compensation, or nuisance case that involved an issue of hearing loss, noise exposure, speech or warning signal audibility, or environmental noise, what type of expert would you turn to?

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STS Review

Dr. Tom Thunder has the knowledge and background to review audiometric tests, noise surveys, and history records to give an opinion based on scientific knowledge.

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CAOHC Courses+

We offer CAOHC courses, as well as, audiometric testing and hearing conservation, for CAOHC certification and re-certification (refresher). Click Below for course dates.

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At Thunder Hearing & Sound, our sister company, their mission is to change the lives of people who have a hearing impairment by providing clear sound in any environment. Learn more about hearing induction loops.

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Acoustic Associates audio analysis

About Acoustic Associates, Ltd

Acoustic Associates, Ltd., is a professional consulting firm specializing in sound and hearing issues. Our practice was established in 1987 to blend the fields of audiology (the science of hearing) and acoustics (the science of sound). Our understanding of both these fields gives us a unique perspective in assessing and solving acoustical problems in a comprehensive yet practical manner. In 1997 Dr. Thunder took over, as course director, for a long running CAOHC Course. He quickly became a top ranked course director.


We work as a team member with clients in developing practical solutions in the following areas:​

  • Forensic
  • Audiology ​
  • Expert Witness​ ​
  • STS Review ​
  • Workman’s Compensation ​
  • Environmental Noise ​


  • CAOHC Training Course ​
  • CAOHC Refresher Course ​
  • Audiometric Training Course ​
  • Hearing Conservation Course

Dr. Tom Thunder, AuD, FAAA, INCE is both an audiologist and a noise control engineer. He is principal of Acoustic Associates, Ltd. and has over 30 years of experience. He specializes in hearing and acoustics and has consulted on a variety of issues including hearing problems, audibility of warning devices, occupational noise, hearing conservation, environmental noise, acoustical privacy, building mechanical noise, ventilation noise, room acoustics, etc.

Dr. Tom Thunder, AuD, FAAA, INCE—audiologist and noise control engineer.

Courses for 2024

Don’t hesitate to contact us for course details or if you have any questions!

847-359-1068 |

Online Courses held monthly

Face2Face Course Location: Doubletree Hotel, Schaumburg, IL

To register for a course, click the name of the course you would like to attend below:

Online Hearing Conservation Course

The Online Hearing Conservation seminar is designed for anyone responsible for implementing and maintaining a hearing conservation program such as…

Online Audiometric Testing Course

The Online Audiometric Testing seminar is designed for nurses, medical technicians, and physicians, who want to operate an audiometer, conduct…

Online CAOHC Refresher

Our completely online CAOHC Refresher course is held to review audiometric testing and the components of a hearing conservation program.…

Online CAOHC Training Course

Participants in our completely Online CAOHC Training Course will be eligible to receive certification from the Council for Accreditation in…