Issued Patents All Time
Showing 76–96 of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885988 | Bit error concealment methods for speech coding | — | 2005-04-26 |
| 6751587 | Efficient excitation quantization in noise feedback coding with general noise shaping | Jes Thyssen | 2004-06-15 |
| 6691082 | Method and system for sub-band hybrid coding | Joseph Gerard Aguilar, Vipul Parikh, Xiaoqin Sun | 2004-02-10 |
| 6351730 | Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment | — | 2002-02-26 |
| 6144935 | Tunable perceptual weighting filter for tandem coders | Richard Vandervoort Cox, Nuggehally S. Jayant | 2000-11-07 |
| 6014621 | Synthesis of speech signals in the absence of coded parameters | — | 2000-01-11 |
| 5884010 | Linear prediction coefficient generation during frame erasure or packet loss | Craig Watkins | 1999-03-16 |
| 5790759 | Perceptual noise masking measure based on synthesis filter frequency response | — | 1998-08-04 |
| 5745871 | Pitch period estimation for use with audio coders | — | 1998-04-28 |
| 5717822 | Computational complexity reduction during frame erasure of packet loss | — | 1998-02-10 |
| 5710863 | Speech signal quantization using human auditory models in predictive coding systems | — | 1998-01-20 |
| 5694519 | Tunable post-filter for tandem coders | Richard Vandervoort Cox, Nuggehally S. Jayant | 1997-12-02 |
| 5680507 | Energy calculations for critical and non-critical codebook vectors | — | 1997-10-21 |
| 5651091 | Method and apparatus for low-delay CELP speech coding and decoding | — | 1997-07-22 |
| 5615298 | Excitation signal synthesis during frame erasure or packet loss | — | 1997-03-25 |
| 5574825 | Linear prediction coefficient generation during frame erasure or packet loss | Craig Watkins | 1996-11-12 |
| 5550543 | Frame erasure or packet loss compensation method | Craig Watkins | 1996-08-27 |
| 5339384 | Code-excited linear predictive coding with low delay for speech or audio signals | — | 1994-08-16 |
| 5327520 | Method of use of voice message coder/decoder | — | 1994-07-05 |
| 5233660 | Method and apparatus for low-delay CELP speech coding and decoding | — | 1993-08-03 |
| 4969192 | Vector adaptive predictive coder for speech and audio | Allen Gersho | 1990-11-06 |