Location History:
- Berkeley Heights, NJ (US) (1976 - 1977)
- Santa Barbara, CA (US) (2005 - 2007)
- Goleta, CA (US) (1983 - 2009)
Company Filing History:
7 out of 15,488 
5 out of 54,766 
4 out of 2,714 
Years Active: 1976-2009
Title: Innovations in Voice Coding: The Legacy of Allen Gersho
Introduction: Allen Gersho, based in Goleta, California, is a renowned inventor in the field of voice coding technologies. With a remarkable portfolio of 20 patents, Gersho has contributed significantly to the advancements in digital signal processing, particularly in speech coding. His pioneering work continues to impact how voice data is compressed and transmitted.
Latest Patents: Among his noteworthy patents, two stand out for their innovative approaches. The first is focused on "REW parametric vector quantization and dual-predictive SEW vector quantization for waveform interpolative coding." This invention introduces an enhanced analysis-by-synthesis waveform interpolative speech coder operational at a low bit rate of 2.8 kbps. This technology incorporates dual-predictive analysis to efficiently handle the slowly evolving waveforms and optimize the rapidly evolving waveform magnitude, exceeding the performance of existing standards like G.723.1.
The second patent describes an "LPC-harmonic vocoder with superframe structure," which presents a significant enhancement over traditional vocoders. By grouping several frames into a superframe, this technology reduces the underlying coding's bit rate while minimizing distortion. This innovative approach includes error detection and correction mechanisms, ensuring higher fidelity during transmission.
Career Highlights: Allen Gersho has held significant positions at reputable organizations, including the University of California and Microsoft Technology Licensing, LLC. His experiences in these esteemed institutions provided a platform for his groundbreaking work in speech coding technologies.
Collaborations: Throughout his career, Gersho has collaborated with notable individuals in the field, such as Vladimir Cuperman and Kazuhito Koishida. These partnerships have fostered innovation and advanced research in their shared domains, contributing to vital developments in voice coding.
Conclusion: Allen Gersho's innovative contributions have established him as a leading figure in the realm of digital voice coding. His patents not only reflect his exceptional talent as an inventor but also represent significant advancements in technology that continue to influence the industry. Gersho's legacy serves as an inspiration for future innovators in the field of telecommunications and beyond.