Location History:
- Waterloo, CA (1985)
- Beaconsfield, CA (1988 - 2001)
Company Filing History:
2 out of 4,491 
1 out of 4,171 
1 out of 2,276 Years Active: 1985-2001
Title: Innovations of Inventor Hung Shun Ma
Introduction
Hung Shun Ma is a notable inventor based in Beaconsfield, CA. He has made significant contributions to the field of audio signal processing, holding a total of 4 patents. His work focuses on innovative methods for compressing and decompressing audio signals, which have applications in various technologies.
Latest Patents
One of Hung Shun Ma's latest patents is titled "Split-vector quantization for speech signal involving out-of-sequence regrouping of sub-vectors." This invention presents a method and apparatus for compressing and decompressing an audio signal derived from spoken utterances. The apparatus processes audio signals contained in successive data frames to generate feature vectors that characterize portions of the audio signal. A compressor unit groups elements of the feature vector into sub-vectors based on a specific scheme, allowing for efficient quantization.
Another significant patent is the "Recognition system for determining whether speech is confusing or." This invention involves methods and systems that enroll a candidate phrase uttered by a user in a dictionary containing previously enrolled phrases. The system evaluates whether the candidate phrase is confusingly similar to any previously enrolled phrases and enrolls it accordingly, enhancing speech recognition accuracy.
Career Highlights
Hung Shun Ma has worked with prominent companies such as NCR Corporation and Nortel Networks Corporation. His experience in these organizations has contributed to his expertise in audio signal processing and innovation in technology.
Collaborations
Some of his notable coworkers include Robert B. Nally and James F. Akister. Their collaboration has likely fostered an environment of innovation and creativity in their respective fields.
Conclusion
Hung Shun Ma's contributions to audio signal processing through his patents and career achievements highlight his role as a significant inventor in the technology sector. His innovative methods continue to influence advancements in speech recognition and audio compression technologies.