Malcolm J Williamson

Title: Innovations by Malcolm J Williamson

Introduction

Malcolm J Williamson is a notable inventor based in Madison, WI (US), recognized for his contributions to the field of digital signal processing, particularly in hearing aids. He holds a total of 3 patents that showcase his innovative approaches to enhancing auditory experiences for users.

Latest Patents

Williamson's latest patents include groundbreaking techniques for feedback suppression in digital signal processing hearing aids. This invention employs various signal processing methods to mitigate acoustic feedback, which can disrupt the performance of hearing aids. The first technique involves delaying the data sent to the main processing path in a periodic manner, effectively disrupting feedback resonances. The second technique utilizes a digital filter that adjusts its coefficients to provide an optimal estimate of the current input sample, allowing for the cancellation of resonant frequencies. The third technique models the acoustic feedback path as a delay and linear filter, further enhancing the hearing aid's performance by subtracting the feedback signal from the input data.

Another significant patent by Williamson focuses on adaptive, programmable signal processing and filtering for hearing aids. This system employs digital signal processing to tailor the hearing aid's output to the specific hearing deficits of users. By converting analog signals from a microphone into digital data, the system can maximize the intelligibility of desired audio signals while minimizing background noise. The digital signal processor features a time-varying spectral filter that adjusts its coefficients in real-time, ensuring optimal performance based on the user's hearing needs.

Career Highlights

Throughout his career, Williamson has worked with esteemed organizations such as the Wisconsin Alumni Research Foundation and Nicolet Instrument Corporation. His work in these companies has significantly contributed to advancements in hearing aid technology and digital signal processing.

Collaborations

Williamson has collaborated with notable professionals in his field, including Kenneth L Cummins and Kurt E Hecox. These partnerships have fostered innovation and development in the technologies he has pioneered.

Conclusion

Malcolm J Williamson's contributions to the field of hearing aids through his innovative patents have made a lasting impact on auditory technology. His work continues to enhance the quality of life for individuals with hearing impairments.