Antony Henry Crossman

Title: Antony Henry Crossman: Innovator in Digital Signal Processing

Introduction

Antony Henry Crossman is a notable inventor based in Swampscott, MA (US). He has made significant contributions to the field of digital signal processing, particularly in the development of speech encoding technologies. With a total of 2 patents, his work has had a considerable impact on how digital signals are transmitted and processed.

Latest Patents

Crossman's latest patents include a Fixed Bit Rate Speech Encoder/Decoder and a Variable Bit Rate Speech Encoder. The Fixed Bit Rate Speech Encoder/Decoder features a method for transmitting a digital signal that includes frames of frequency coefficients arranged in bands. This method generates a spectral estimate of energy in each band and quantizes frequency coefficients based on their energy levels. The Variable Bit Rate Speech Encoder allocates transmission bits for samples of a digital signal, ensuring that quantization distortion is minimized while maintaining signal integrity.

Career Highlights

Antony Crossman has worked at Picturetel Corporation, where he has been instrumental in advancing technologies related to digital communication. His innovative approaches to speech encoding have positioned him as a key figure in the industry.

Collaborations

Some of his notable coworkers include Edmund S. Thompson and Brant Martin Helf, who have collaborated with him on various projects within the realm of digital signal processing.

Conclusion

Antony Henry Crossman is a distinguished inventor whose work in digital signal processing continues to influence the field. His patents reflect a commitment to innovation and excellence in technology.