This inventor holds 2 USPTO granted patents. Top assignee: British Telecommunications Public Limited Company. Active years: 1989-1995.
Location History:
- Ipswich, GB (1989)
- Melton, GB (1995)
Company Filing History:
Years Active: 1989-1995
Title: Innovations of Christopher E Holt
Introduction
Christopher E Holt is a notable inventor based in Melton, GB. He has made significant contributions to the field of audio technology, holding 2 patents that showcase his innovative approach to audioconferencing systems.
Latest Patents
One of his latest patents is focused on polyphonic coding. This invention describes a polyphonic audioconferencing system where the left and right input channels are time-aligned using variable delay stages. The system employs a delay calculator to derive the maximum cross-correlation value, allowing for high-quality transmission of sum and difference signals. The adaptive filter used in the decoder is configured by received filter coefficients or through backwards adaptation, enhancing the overall audio quality.
Another significant patent involves a transmission system that converts stereo coding signals into digital form. The system processes the sum and difference signals, ensuring that they are bandlimited and downsampled before encoding. This innovative approach allows for efficient transmission and reception of audio signals, maintaining their integrity throughout the process.
Career Highlights
Christopher E Holt is currently associated with British Telecommunications Public Limited Company, where he continues to develop and refine his innovative ideas in audio technology. His work has contributed to advancements in communication systems, particularly in enhancing audio quality for users.
Collaborations
Throughout his career, Holt has collaborated with notable colleagues, including John Mortimer Rollett and Edward Munday. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.
Conclusion
Christopher E Holt's contributions to audio technology through his patents reflect his innovative spirit and dedication to improving communication systems. His work continues to influence the industry, paving the way for future advancements in audioconferencing technology.