Company Filing History:
Years Active: 1989-1990
Title: Innovations by Hugh Macdonald
Introduction
Hugh Macdonald is a notable inventor based in Menlo Park, California. He has made significant contributions to the field of digital audio processing, holding 2 patents that showcase his innovative approach to sound recording and reproduction.
Latest Patents
Macdonald's latest patents include a "System for encoding sound recordings for high-density storage" and a "Method and apparatus for addressably writing digital representations of high-fidelity sound recordings in a non-mapped digital storage device." These inventions utilize conventional PCM equipment in a more condensed and efficiently sampled ADM format. This advancement allows for high-density addressable storage of several thousand recordings in a single music ROM jukebox, as well as high-speed information transfers. The inventions enable communication and control links between digital audio processors and microcomputers, embedding timing data in the ADM formatted data file.
Career Highlights
Hugh Macdonald has worked at Personics Corporation, where he has played a crucial role in developing high-speed reproduction systems for audio programs. His work involves utilizing optical CD music ROM banks of master programs, which are prerecorded using Dolby ADM techniques to condense their information content. This condensation allows for higher data throughput during high-speed reproduction, enhancing the efficiency of audio playback systems.
Collaborations
Some of Macdonald's notable coworkers include John C. Weitz and Thomas D. Sharples, who have collaborated with him on various projects within the realm of digital audio technology.
Conclusion
Hugh Macdonald's innovative contributions to digital audio processing have paved the way for advancements in sound recording and reproduction. His patents reflect a deep understanding of technology and its application in enhancing audio experiences.