Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577564 | Method and apparatus for detecting illicit activity by classifying whispered speech and normally phonated speech according to the relative energy content of formants and fricatives | Edward J. Cupples | 2009-08-18 |
| 7231271 | Steganographic method for covert audio communications | Kaliappan Gopalan, Darren Haddad | 2007-06-12 |
| 7177808 | Method for improving speaker identification by determining usable speech | Robert E. Yantorno, Daniel S. Benincasa, Brett Y. Smolenski | 2007-02-13 |