Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970603 | Method and apparatus for managing speech decoders in a communication device | Martin W. Egan | 2011-06-28 |
| 7903562 | Method and system for congestion control | Bruce Gordon Barnett | 2011-03-08 |
| 7738361 | Method and apparatus for generating fill frames for voice over internet protocol (VoIP) applications | Martin W. Egan | 2010-06-15 |
| 7715404 | Method and apparatus for controlling a voice over internet protocol (VoIP) decoder with an adaptive jitter buffer | Martin W. Egan | 2010-05-11 |
| 7676261 | Method and system for enhancing pace pulses | Emad Andarawis Andarawis, Jeffrey Michael Ashe, Nicholas Richard | 2010-03-09 |
| 7668713 | MELP-to-LPC transcoder | Steven R. Koch | 2010-02-23 |
| 7639821 | System and method for improved detection of AM signals | — | 2009-12-29 |
| 7573398 | System and method of communicating signals | Ralph Thomas Hoctor, Matthew George Grubis, Neal Seidl | 2009-08-11 |
| 7541577 | Methods for analyzing ion mobility data | David Michael Davenport, Thomas Paul Repoff, Pierino Gianni Bonanni | 2009-06-02 |
| 7529662 | LPC-to-MELP transcoder | Steven R. Koch | 2009-05-05 |
| 7471977 | Method and system for detecting pace pulses | Emad Andarawis Andarawis, Jeffrey Michael Ashe, Nicholas Richard | 2008-12-30 |
| 7460043 | Analog-to-digital converter compensation system and method | — | 2008-12-02 |
| 7430507 | Frequency domain format enhancement | Steven R. Koch | 2008-09-30 |
| 7421388 | Compressed domain voice activity detector | Steven R. Koch | 2008-09-02 |
| 7165035 | Compressed domain conference bridge | Steven R. Koch, Philip Choong | 2007-01-16 |
| 7161511 | Linearization system and method | Glen Peter Koste, Graeme C. McKinnon | 2007-01-09 |
| 7062434 | Compressed domain voice activity detector | Steven R. Koch | 2006-06-13 |
| 6678654 | TDVC-to-MELP transcoder | Steven R. Koch | 2004-01-13 |
| 6393072 | Channel decoder using vocoder joint statistics | John Anderson Fergus Ross, Nick Andrew Van Stralen, Mark Lewis Grabb, Steven R. Koch, John B. Anderson | 2002-05-21 |
| 6138092 | CELP speech synthesizer with epoch-adaptive harmonic generator for pitch harmonics below voicing cutoff frequency | Mark Lewis Grabb, Steven R. Koch, Glen William Brooksby | 2000-10-24 |
| 6119082 | Speech coding system and method including harmonic generator having an adaptive phase off-setter | Mark Lewis Grabb, Steven R. Koch, Glen William Brooksby | 2000-09-12 |
| 6098036 | Speech coding system and method including spectral formant enhancer | Mark Lewis Grabb, Glen William Brooksby, Steven R. Koch | 2000-08-01 |
| 6094629 | Speech coding system and method including spectral quantizer | Mark Lewis Grabb, Steven R. Koch, Glen William Brooksby | 2000-07-25 |
| 6081776 | Speech coding system and method including adaptive finite impulse response filter | Mark Lewis Grabb, Steven R. Koch, Glen William Brooksby | 2000-06-27 |
| 6078880 | Speech coding system and method including voicing cut off frequency analyzer | Mark Lewis Grabb, Steven R. Koch, Glen William Brooksby | 2000-06-20 |