Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11210461 | Real-time privacy filter | Ethan Selfridge | 2021-12-28 |
| 10789943 | Proxy for selective use of human and artificial intelligence in a natural language understanding system | Larissa Lapshina, Mahnoosh Mehrabani Sharifbad, Yoryos Yeracaris | 2020-09-29 |
| 8761153 | Remote configuration of a voice over internet protocol telephone for smart dial tone | Michael Metcalf, Paul Laos, Hung Duong, Tracy Roberts | 2014-06-24 |
| 6744885 | ASR talkoff suppressor | Richard Harry Ketchum, Anand Rangaswamy Setlur | 2004-06-01 |
| 6606595 | HMM-based echo model for noise cancellation avoiding the problem of false triggers | Rathinavelu Chengalvarayan, Richard Harry Ketchum, Anand Rangaswamy Setlur | 2003-08-12 |
| 6055499 | Use of periodicity and jitter for automatic speech recognition | Rathinavelu Chengalvarayan | 2000-04-25 |
| 5179626 | Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis | — | 1993-01-12 |
| 5046100 | Adaptive multivariate estimating apparatus | — | 1991-09-03 |
| 5023910 | Vector quantization in a harmonic speech coding arrangement | — | 1991-06-11 |
| 5007093 | Adaptive threshold voiced detector | — | 1991-04-09 |
| 4972490 | Distance measurement control of a multiple detector system | — | 1990-11-20 |
| 4890328 | Voice synthesis utilizing multi-level filter excitation | Dimitrios P. Prezas | 1989-12-26 |
| 4803730 | Fast significant sample detection for a pitch detector | — | 1989-02-07 |