Location History:
- Cookham Dean, GB (2015)
- Buckinghamshire, GB (2013 - 2019)
- Cookham, GB (2011 - 2023)
Company Filing History:
8 out of 2,597 
3 out of 117 
3 out of 4 Years Active: 2011-2023
Title: Alastair Sibbald: Innovator in Ambient Noise Reduction Technology
Introduction
Alastair Sibbald is a notable inventor based in Cookham, GB. He has made significant contributions to the field of communication technology, particularly in the area of ambient noise reduction. With a total of 15 patents to his name, Sibbald has developed innovative solutions that enhance audio experiences in various devices.
Latest Patents
Among his latest patents is a communication apparatus designed with ambient noise reduction capabilities. This host device is configured to wirelessly connect to an accessory device, featuring noise reduction circuitry. The device utilizes a microphone to capture ambient noise, which is then processed to generate a noise cancellation signal that is delivered through loudspeakers. This technology allows users to select or adjust the noise reduction transfer function according to their preferences. Another significant patent involves a feedforward ambient noise reduction arrangement. This system includes a loudspeaker that directs sound energy into the listener's ear while external microphones sense ambient noise. The microphones convert this noise into electrical signals, which are used to create an opposing acoustic signal, ensuring that the sound is delivered in time with the ambient noise.
Career Highlights
Sibbald has worked with prominent companies in the technology sector, including Cirrus Logic Inc. and Wolfson Microelectronics Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in audio technology.
Collaborations
Throughout his career, Sibbald has collaborated with talented individuals such as Peter John McCutcheon and Robert Alcock. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Alastair Sibbald's work in ambient noise reduction technology exemplifies his commitment to improving communication devices. His patents reflect a deep understanding of audio engineering and user needs. His contributions continue to influence the industry and enhance user experiences in various applications.