Company Filing History:
Years Active: 1995-2011
Title: Harprit S Chhatwal: Innovator in Audio Technology
Introduction
Harprit S Chhatwal is a notable inventor based in Heston, GB, recognized for his contributions to audio technology. With a total of three patents to his name, Chhatwal has made significant advancements in methods for noise suppression and speech coding.
Latest Patents
Chhatwal's latest patents include a noise suppressor that determines noise in an audio stream. This method involves acquiring multiple consecutive time frames of the audio stream, generating a discrete frequency spectrum for each frame, and partitioning the frequency spectrum into several frequency bands. The process includes determining audio energy for each frequency band and estimating noise energy based on the smallest audio energy values. Another significant patent is an adaptive speech coder that utilizes code excited linear prediction. This invention focuses on determining codevectors in response to a speech signal, employing multiple codebook members to refine the characteristics of bi-pulse codevectors and synthesize speech signals with minimal difference from the original.
Career Highlights
Throughout his career, Harprit S Chhatwal has worked with reputable companies such as Pacific Communication Sciences, Inc. and AudioCodes Ltd. His work has significantly impacted the field of audio technology, particularly in enhancing the quality of speech signals.
Collaborations
Chhatwal has collaborated with notable individuals in the industry, including Hui Li and Andrew Linkens. These partnerships have contributed to the development of innovative solutions in audio processing.
Conclusion
Harprit S Chhatwal's contributions to audio technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in noise suppression and speech coding.