Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959274 | Fixed rate speech compression system and method | Yang Gao, Jes Thyssen, Eyal Shlomot, Huan-Yu Su | 2005-10-25 |
| 6898566 | Using signal to noise ratio of a speech signal to adjust thresholds for extracting speech parameters for coding the speech signal | Huan-Yu Su | 2005-05-24 |
| 6823303 | Speech encoder using voice activity detection in coding noise | Huan-Yu Su, Jes Thyssen | 2004-11-23 |
| 6804203 | Double talk detector for echo cancellation in a speech communication system | Patrick D. Ryan, Huan-Yu Su | 2004-10-12 |
| 6782360 | Gain quantization for a CELP speech coder | Yang Gao | 2004-08-24 |
| 6757649 | Codebook tables for multi-rate encoding and decoding with pre-gain and delayed-gain quantization tables | Yang Gao, Jes Thyssen, Eyal Shlomot, Huan-Yu Su | 2004-06-29 |
| 6735567 | Encoding and decoding speech signals variably based on signal classification | Yang Gao, Jes Thyssen, Eyal Shlomot, Huan-Yu Su | 2004-05-11 |
| 6721712 | Conversion scheme for use between DTX and non-DTX speech coding systems | Eyal Shlomot, Huan-Yu Su | 2004-04-13 |
| 6694293 | Speech coding system with a music classifier | Huan-Yu Su | 2004-02-17 |
| 6636829 | Speech communication system and method for handling lost frames | Eyal Shlomot, Huan-Yu Su | 2003-10-21 |
| 6633841 | Voice activity detection speech coding to accommodate music signals | Jes Thyssen | 2003-10-14 |
| 6604070 | System of encoding and decoding speech signals | Yang Gao, Jes Thyssen, Eyal Shlomot, Huan-Yu Su | 2003-08-05 |
| 6581032 | Bitstream protocol for transmission of encoded voice signals | Yang Gao, Jes Thyssen, Eyal Shlomot, Huan-Yu Su | 2003-06-17 |
| 6574593 | Codebook tables for encoding and decoding | Yang Gao, Huan-Yu Su, Eyal Shlomot, Jes Thyssen | 2003-06-03 |
| 6463414 | Conference bridge processing of speech in a packet network environment | Huan-Yu Su, Eyal Shlomot, Jes Thyssen, Yang Gao | 2002-10-08 |
| 6397178 | Data organizational scheme for enhanced selection of gain parameters for speech coding | — | 2002-05-28 |
| 6275794 | System for detecting voice activity and background noise/silence in a speech signal using pitch and signal to noise ratio information | Eyal Shlomot | 2001-08-14 |
| 6260010 | Speech encoder using gain normalization that combines open and closed loop gains | Yang Gao, Jes Thyssen | 2001-07-10 |
| 6256606 | Silence description coding for multi-rate speech codecs | Jes Thyssen, Huan-Yu Su, Eyal Shlomot | 2001-07-03 |
| 6240386 | Speech codec employing noise classification for noise compensation | Jes Thyssen, Huan-Yu Su, Yang Gao | 2001-05-29 |
| 6205423 | Method for coding speech containing noise-like speech periods and/or having background noise | Huan-Yu Su, Eric Kwok Fung Yuen, Jes Thyssen | 2001-03-20 |
| 6188981 | Method and apparatus for detecting voice activity in a speech signal | Eyal Shlomot | 2001-02-13 |
| 6122611 | Adding noise during LPC coded voice activity periods to improve the quality of coded speech coexisting with background noise | Huan-Yu Su | 2000-09-19 |
| 6104994 | Method for speech coding under background noise conditions | Huan-Yu Su, Eric Kwok Fung Yuen, Jes Thyssen | 2000-08-15 |
| 5920853 | Signal compression using index mapping technique for the sharing of quantization tables | Huan-Yu Su, Eyal Shlomot | 1999-07-06 |