Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696038 | Voice messaging system with unified pitch and voice tracking | Bruce G. Secrest | 1987-09-22 |
| 4696039 | Speech analysis/synthesis system with silence suppression | — | 1987-09-22 |
| 4696040 | Speech analysis/synthesis system with energy normalization and silence suppression | Panos Papamichalis | 1987-09-22 |
| 4667340 | Voice messaging system with pitch-congruent baseband coding | Masud M. Arjmand | 1987-05-19 |
| 4625286 | Time encoding of LPC roots | Panos Papamichalis | 1986-11-25 |
| 4536886 | LPC pole encoding using reduced spectral shaping polynomial | Panos Papamichalis | 1985-08-20 |
| 4441399 | Interactive device for teaching musical tones or melodies | Richard H. Wiggins, Craig J. Cato | 1984-04-10 |
| 4439161 | Taught learning aid | Richard H. Wiggins, Craig J. Cato | 1984-03-27 |
| 4304965 | Data converter for a speech synthesizer | Keith A. Blanton | 1981-12-08 |