Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9047865 | Scalable and embedded codec for speech and audio signals | David Anthony Campana, Juin-Hwey Chen, Robert B. Dunn, Robert J. McAulay, Xiaoquin Sun +3 more | 2015-06-02 |
| 7272556 | Scalable and embedded codec for speech and audio signals | David Anthony Campana, Raymond C. Chen, Robert B. Dunn, Robert J. McAulay, Xiaoquin Sun +3 more | 2007-09-18 |
| 7257535 | Parametric speech codec for representing synthetic speech in the presence of background noise | Juin-Hwey Chen, Wei Wang, Robert W. Zopf | 2007-08-14 |
| 7092881 | Parametric speech codec for representing synthetic speech in the presence of background noise | Juin-Hwey Chen, Wei Wang, Robert W. Zopf | 2006-08-15 |
| 6691082 | Method and system for sub-band hybrid coding | Juin-Hwey Chen, Vipul Parikh, Xiaoqin Sun | 2004-02-10 |
| 5787387 | Harmonic adaptive speech coding method and system | — | 1998-07-28 |
| 5774837 | Speech coding system and method using voicing probability determination | Suat Yeldener | 1998-06-30 |