Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11997330 | Audio sampling clock synchronization | Roger R. Darr, Matthew Easley | 2024-05-28 |
| 11770651 | Genetic-algorithm-based equalization using IIR filters | — | 2023-09-26 |
| 8958516 | NICAM decoder with output resampler | Roger R. Darr, Matthew Easley | 2015-02-17 |
| 8582780 | Configurable recursive digital filter for processing television audio signals | — | 2013-11-12 |
| 8526622 | Configurable filter for processing television audio signals | Roger R. Darr | 2013-09-03 |
| 8494104 | NICAM decoder with output resampler | Roger R. Darr, Matthew Easley | 2013-07-23 |
| 8264606 | Direct digital encoding and radio frequency modulation for broadcast television applications | Matthew Easley, William Kevin Kay | 2012-09-11 |
| 8023590 | NICAM audio signal resampler | Roger R. Darr, Matthew Easley | 2011-09-20 |
| 8014741 | Signal quality estimation and control system | — | 2011-09-06 |
| 7940842 | Reciprocal index lookup for BTSC compatible coefficients | Matthew Easley, Roger R. Darr | 2011-05-10 |
| 7929054 | Up-sampling television audio signals for encoding | Matthew Easley | 2011-04-19 |
| 7830452 | Direct digital encoding and radio frequency modulation for broadcast television applications | Matthew Easley, W. Kevin Kay | 2010-11-09 |
| 7826621 | Configurable filter for processing television audio signals | Roger R. Darr | 2010-11-02 |
| 7822210 | Configurable recursive digital filter for processing television audio signals | — | 2010-10-26 |
| 7719616 | Direct digital encoding and radio frequency modulation for broadcast television application | Matthew Easley, W. Kevin Kay | 2010-05-18 |
| 7639307 | Up-sampling television audio signals for encoding | Matthew Easley | 2009-12-29 |
| 7539316 | Configurable filter for processing television audio signals | Roger R. Darr | 2009-05-26 |
| 7397850 | Reciprocal index lookup for BTSC compatible coefficients | Mathew F. Easley, Roger R. Darr | 2008-07-08 |