Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463407 | Low bit-rate coding of unvoiced segments of speech | Amitava Das | 2002-10-08 |
| 6456964 | Encoding of periodic speech using prototype waveforms | William R. Gardner | 2002-09-24 |
| 6438518 | Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions | Andrew P. DeJaco, Arasanipalai K. Ananthapadmanabhan, Eddie-Lun Tik Choy | 2002-08-20 |
| 6434519 | Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder | Andrew P. DeJaco, Arasanipalai K. Ananthapadmanabhan, Pengjun Huang, Eddie-Lun Tik Choy | 2002-08-13 |
| 6397175 | Method and apparatus for subsampling phase spectrum information | — | 2002-05-28 |
| 6393394 | Method and apparatus for interleaving line spectral information quantization methods in a speech coder | Arasanipalai K. Ananthapadmanabhan | 2002-05-21 |