Daniel J Freed

Title: The Innovations of Daniel J Freed

Introduction

Daniel J Freed is a notable inventor based in Santa Monica, CA. He has made significant contributions to the field of hearing aids and auditory technology. With a total of two patents to his name, Freed's work focuses on improving the functionality and effectiveness of hearing devices.

Latest Patents

Freed's latest patents include a "Frequency shifter for use in adaptive feedback cancellers for hearing aids." This invention utilizes a decorrelation method that applies a small frequency shifting ratio of approximately 0.3 percent. The frequency shifting is specifically applied to the high-frequency portion of the signal, which is alternately shifted upward and downward. Another significant patent is the "Device for presenting acoustical and vibratory stimuli and method of calibration." This hearing test device is capable of presenting various acoustical or vibratory stimuli and can be easily calibrated. The transfer functions for the device are calculated at two different attenuation levels to derive the characteristic impedance and sensitivity of the acoustic or vibratory transducer.

Career Highlights

Freed is associated with the House Ear Institute, where he continues to innovate in the field of auditory technology. His work has been instrumental in enhancing the capabilities of hearing aids and improving the overall user experience.

Collaborations

Freed has collaborated with notable colleagues such as Sigfrid Daniel Soli and Shawn X Gao. Their combined expertise has contributed to advancements in auditory technology.

Conclusion

Daniel J Freed's contributions to the field of hearing aids and auditory technology are noteworthy. His innovative patents reflect his commitment to improving the lives of individuals with hearing impairments.