Company Filing History:
Years Active: 2005-2014
Title: Innovations of James A. Ballas
Introduction
James A. Ballas is an accomplished inventor based in Arlington, VA (US). He has made significant contributions to the field of technology, particularly in audio and speech recognition systems. With a total of 3 patents to his name, Ballas continues to push the boundaries of innovation.
Latest Patents
One of his latest patents is for a radar microphone speech recognition system. This innovative method allows for the remote detection and recognition of speech by utilizing radar sensors to capture body motions during vocalization. The system employs a transmit aperture that sends out distinct waveforms, while a receiver aperture collects the scattered radio frequency energy. By extracting Doppler signals correlated with the speaker's vocalization, digital signal processors can develop feature vectors that enable word recognition through a classifier.
Another notable patent is a method and apparatus for producing spatialized audio signals. This technology creates virtual sound sources that can be perceived at various orientations in relation to the listener. The system involves a set of speakers positioned near the listener's head, with a head tracking system that monitors head location and orientation. The audio signals are processed using a head-related transfer function (HRTF) filter, ensuring that the virtual audio sources maintain their perceived location, regardless of the listener's movements.
Career Highlights
James A. Ballas is currently employed by the United States as represented by the Secretary of the Navy. His work focuses on advancing audio and speech recognition technologies, contributing to both military and civilian applications.
Collaborations
Throughout his career, Ballas has collaborated with notable colleagues, including Jefferson M. Willey and Todd Stephenson. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
James A. Ballas exemplifies the spirit of innovation through his groundbreaking patents and contributions to audio and speech recognition technologies. His work continues to influence the field and inspire future advancements.