Location History:
- Pine Springs, MN (US) (1989)
- Sierra Madre, CA (US) (1994 - 2016)
Company Filing History:
7 out of 22 
2 out of 7,865 
2 out of 3 
Years Active: 1989-2016
Title: The Innovations of Sigfrid Daniel Soli in Hearing Aid Technology
Introduction
Sigfrid Daniel Soli, a prominent inventor based in Sierra Madre, California, has made significant contributions to the field of hearing aid technology. With a robust portfolio of 13 patents, Soli's work focuses on improving the effectiveness and user experience of hearing aids through innovative methods and systems.
Latest Patents
Among his latest patents is a novel method of fitting a hearing aid system that classifies a user's hearing loss and adapts the fitting accordingly. This method utilizes an audiogram to assess the user's hearing function under specific conditions to predict intelligibility, allowing the fitting process to be finely tuned based on empirical data. Another notable patent covers a band-limited adaptive feedback canceller for hearing aids, which offers an improved technique for cancelling acoustic feedback. This technology limits the feedback cancellation to a frequency band encompassing only unstable frequencies, thus minimizing distortion and enhancing sound quality through an efficient signal processing algorithm.
Career Highlights
Throughout his career, Soli has worked with reputed organizations, including the House Ear Institute and Minnesota Mining and Manufacturing Company, where he has been able to apply his expertise in auditory technology to develop innovative solutions that benefit users with hearing impairments.
Collaborations
Soli has collaborated with esteemed professionals in the field, such as Shawn X Gao and Hsiang-Feg Chi. These collaborations have undoubtedly influenced his research and development, pushing the boundaries of what's possible in hearing aid technology.
Conclusion
Sigfrid Daniel Soli's dedication to improving hearing aid systems through his patented innovations exemplifies the critical role inventors play in enhancing the quality of life for individuals with hearing loss. His contributions continue to influence advancements in auditory technology, demonstrating the impact of innovative thinking in addressing real-world challenges.