Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9767828 | Acoustic echo cancellation using visual cues | Kavitha Velusamy, Wai Chung Chu, Ramya Gopalan | 2017-09-19 |
| 9754605 | Step-size control for multi-channel acoustic echo canceller | — | 2017-09-05 |
| 9734845 | Mitigating effects of electronic audio sources in expression detection | Yue Liu, Praveen Jayakumar, Ramya Gopalan | 2017-08-15 |
| 9704478 | Audio output masking for improved automatic speech recognition | Shiv Naga Prasad Vitaladevuni, Phillip Ryan Hilmes, Rohit Prasad | 2017-07-11 |
| 9689960 | Beam rejection in multi-beam microphone systems | William Folwell Barton, Kenneth Edgar Hild, II, Ramya Gopalan, Kavitha Velusamy | 2017-06-27 |
| 9678559 | Determining a device state based on user presence detection | David William Devries, Stewart Robin Shearer, Serkan Hatipoglu, Omar S. Leung, Michael Serge Devyver +2 more | 2017-06-13 |
| 9591404 | Beamformer design using constrained convex optimization in three-dimensional space | — | 2017-03-07 |
| 9521249 | Echo path change detector with robustness to double talk | — | 2016-12-13 |
| 9473646 | Robust acoustic echo cancellation | — | 2016-10-18 |
| 9456276 | Parameter selection for audio beamforming | — | 2016-09-27 |
| 9432769 | Method and system for beam selection in microphone array beamformers | Shiva Kumar Sundaram, Ramya Gopalan, Philip Ryan Hilmes | 2016-08-30 |
| 9432768 | Beam forming for a wearable computer | Jeffrey C. O'Neill, Philip Ryan Hilmes, Ramya Gopalan | 2016-08-30 |
| 9390723 | Efficient dereverberation in networked audio systems | John Walter McDonough, Jr., Wai Chung Chu, Robert Ayrapetian | 2016-07-12 |
| 9373338 | Acoustic echo cancellation processing based on feedback from speech recognizer | Ramya Gopalan, Kavitha Velusamy, Wai Chung Chu | 2016-06-21 |
| 9319783 | Attenuation of output audio based on residual echo | William Folwell Barton | 2016-04-19 |
| 8983057 | Step size control for acoustic echo cancellation | Hongyang Deng | 2015-03-17 |
| 8953777 | Echo path change detector with robustness to double talk | — | 2015-02-10 |
| 8885815 | Null-forming techniques to improve acoustic echo cancellation | Kavitha Velusamy, Ramya Gopalan, Wai Chung Chu, Wei Li | 2014-11-11 |
| 8855295 | Acoustic echo cancellation using blind source separation | Kavitha Velusamy, Wai Chung Chu, Ramya Gopalan | 2014-10-07 |
| 8416946 | System and process for regression-based residual acoustic echo suppression | Arungunram C. Surendran, Jack Wilson Stokes, III, John C. Platt | 2013-04-09 |
| 8275120 | Adaptive acoustic echo cancellation | Jack Wilson Stokes, III, Dinei Florencio | 2012-09-25 |
| 7813499 | System and process for regression-based residual acoustic echo suppression | Arungunram C. Surendran, Jack Wilson Stokes, III, John C. Platt | 2010-10-12 |