Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11533559 | Beamformer enhanced direction of arrival estimation in a reverberant environment with directional noise | Narayan Kovvali, Ghassan Maalouli | 2022-12-20 |
| 11315543 | Pole-zero blocking matrix for low-delay far-field beamforming | Khosrow Lashkari, Narayan Kovvali | 2022-04-26 |
| 11189303 | Persistent interference detection | Narayan Kovvali | 2021-11-30 |
| 10827076 | Echo path change monitoring in an acoustic echo canceler | Ying Li, Venkat Anant, Wilbur Lawrence | 2020-11-03 |
| 10811032 | Data aided method for robust direction of arrival (DOA) estimation in the presence of spatially-coherent noise interferers | Ghassan Maalouli | 2020-10-20 |
| 10733276 | Multi-microphone human talker detection | Narayan Kovvali, Ying Li, Nima Yousefian Jazi | 2020-08-04 |
| 10580411 | Talker change detection | Ying Li, Ghassan Maalouli, Narayan Kovvali | 2020-03-03 |
| 10142730 | Temporal and spatial detection of acoustic sources | Nima Yousefian | 2018-11-27 |
| 9980070 | Apparatus and method for measuring relative frequency response of audio device microphones | Samuel Ponvarma Ebenezer, Clifton Cordes | 2018-05-22 |
| 9674626 | Apparatus and method for measuring relative frequency response of audio device microphones | Samuel Ponvarma Ebenezer, Clifton Cordes | 2017-06-06 |
| 8565414 | Distributed VAD control system for telephone | Justin Allen, Franklyn H. Story | 2013-10-22 |
| 8538008 | Acoustic echo canceler using an accelerometer | — | 2013-09-17 |
| 7649988 | Comfort noise generator using modified Doblinger noise estimate | Samuel Ponvarma Ebenezer, Justin Allen | 2010-01-19 |
| 7570937 | Comfort noise generator | Robert Winston Nowlin | 2009-08-04 |
| 7555117 | Path change detector for echo cancellation | Franklyn H. Story | 2009-06-30 |
| 6157593 | Power envelope shaper | David Costa | 2000-12-05 |