Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10649942 | Multiplexed memory in a communication processing system | — | 2020-05-12 |
| 8712563 | Method and apparatus for interactive distribution of digital content | Celite Milbrandt, Bradley D. Kindig | 2014-04-29 |
| 6418412 | Quantization using frequency and mean compensated frequency input data for robust speech recognition | Lin Cong | 2002-07-09 |
| 6347297 | Matrix quantization with vector quantization error compensation and neural network postprocessing for robust speech recognition | Lin Cong | 2002-02-12 |
| 6230255 | Communications processor for voice band telecommunications | John G. Bartkowiak | 2001-05-08 |
| 6219642 | Quantization using frequency and mean compensated frequency input data for robust speech recognition | Lin Cong | 2001-04-17 |
| 6212551 | Digitized audio data attachment to text message for electronic mail | Gerald Champagne | 2001-04-03 |
| 6070136 | Matrix quantization with vector quantization error compensation for robust speech recognition | Lin Cong | 2000-05-30 |
| 6067515 | Split matrix quantization with split vector quantization error compensation and selective enhanced processing for robust speech recognition | Lin Cong | 2000-05-23 |
| 6044343 | Adaptive speech recognition with selective input data to a speech classifier | Lin Cong | 2000-03-28 |
| 6032116 | Distance measure in a speech recognition system for speech recognition using frequency shifting factors to compensate for input signal frequency shifts | Lin Cong | 2000-02-29 |
| 6009391 | Line spectral frequencies and energy features in a robust signal recognition system | Lin Cong | 1999-12-28 |
| 6003003 | Speech recognition system having a quantizer using a single robust codebook designed at multiple signal to noise ratios | Lin Cong | 1999-12-14 |
| 5890187 | Storage device utilizing a motion control circuit having an integrated digital signal processing and central processing unit | — | 1999-03-30 |
| 5768613 | Computing apparatus configured for partitioned processing | — | 1998-06-16 |
| 5745648 | Apparatus and method for analyzing speech signals to determine parameters expressive of characteristics of the speech signals | Mark A. Ireton | 1998-04-28 |
| 5615139 | Apparatus and method for synthesizing a sinusoidal signal | Mark A. Ireton | 1997-03-25 |
| 5507037 | Apparatus and method for discriminating signal noise from saturated signals and from high amplitude signals | John G. Bartkowiak | 1996-04-09 |
| 5459750 | Apparatus and method for discriminating and suppressing noise within an incoming signal | Dimitris Hiotakakos, Mark A. Ireton, Costas Xydeas, John G. Bartkowiak | 1995-10-17 |
| 5452242 | Method and apparatus for multiplying a plurality of numbers | Donald D. Mondul | 1995-09-19 |
| 5424970 | Method and apparatus for multiplying a plurality of N numbers | Donald D. Mondul | 1995-06-13 |
| 5379388 | Digital signal processing apparatus with sequencer designating program routines | — | 1995-01-03 |
| 5369791 | Apparatus and method for discriminating and suppressing noise within an incoming signal | John G. Bartkowiak | 1994-11-29 |
| 5347480 | Digital signal processing apparatus | John G. Bartkowiak, Michael A. Nix | 1994-09-13 |
| 5343414 | Apparatus for adaptively tuning to a received periodic signal | Yan Zhou | 1994-08-30 |