Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9363616 | Directional capability testing of audio devices | Steve Anthony Quento, Robert Gregory Deacon, Colter E. Cederlof, Steve Gonzalez, Philip Ryan Hilmes | 2016-06-07 |
| 9351089 | Audio tap detection | — | 2016-05-24 |
| 9319787 | Estimation of time delay of arrival for microphone arrays | — | 2016-04-19 |
| 9081083 | Estimation of time delay of arrival | — | 2015-07-14 |
| 8983089 | Sound source localization using multiple microphone arrays | Edward Dietz Crump | 2015-03-17 |
| 8885815 | Null-forming techniques to improve acoustic echo cancellation | Kavitha Velusamy, Amit Singh Chhetri, Ramya Gopalan, Wei Li | 2014-11-11 |
| 8855295 | Acoustic echo cancellation using blind source separation | Amit Singh Chhetri, Kavitha Velusamy, Ramya Gopalan | 2014-10-07 |
| 8582906 | Image data compression and decompression | David J. Pattridge | 2013-11-12 |
| 7512534 | Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard | — | 2009-03-31 |
| 7426470 | Energy-based nonuniform time-scale modification of audio signals | Khosrow Lashkari | 2008-09-16 |
| 7389226 | Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard | — | 2008-06-17 |
| 7231344 | Method and apparatus for gradient-descent based window optimization for linear prediction analysis | — | 2007-06-12 |
| 7200552 | Gradient descent optimization of linear prediction coefficients for speech coders | Khosrow Lashkari | 2007-04-03 |