Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11031026 | Acoustic echo cancellation during playback of encoded audio | Andrew Kostic, Dinesh Ramakrishnan | 2021-06-08 |
| 8660840 | Method and apparatus for predictively quantizing voiced speech | Arasanipalai K. Ananthapadmanabhan, Sarath Manjunath, Pengjun Huang, Andrew P. DeJaco | 2014-02-25 |
| 8243695 | Method and apparatus for improved detection of rate errors in variable rate receivers | Khaled Helmi El-Maleh, Arasanipalai K. Ananthapadmanabhan, Andrew P. DeJaco, Pengjun Huang | 2012-08-14 |
| 7590096 | Method and apparatus for improved detection of rate errors in variable rate receivers | Khaled Helmi El-Maleh, Arasanipalai K. Ananthapadmanabhan, Andrew P. DeJaco, Pengjun Huang | 2009-09-15 |
| 7426466 | Method and apparatus for quantizing pitch, amplitude, phase and linear spectrum of voiced speech | Arasanipalai K. Ananthapadmanabhan, Sharath Manjunath, Pengjun Huang, Andrew P. DeJaco | 2008-09-16 |
| 6804218 | Method and apparatus for improved detection of rate errors in variable rate receivers | Khaled Helmi El-Maleh, Arasanipalai K. Ananthapadmanabhan, Andrew P. DeJaco, Pengjun Huang | 2004-10-12 |
| 6754630 | Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation | Amitava Das | 2004-06-22 |
| 6754624 | Codebook re-ordering to reduce undesired packet generation | Arasanipalai K. Ananthapadmanabhan, Andrew P. DeJaco | 2004-06-22 |
| 6584438 | Frame erasure compensation method in a variable rate speech coder | Sharath Manjunath, Pengjun Huang | 2003-06-24 |
| 6438518 | Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions | Sharath Manjunath, Andrew P. DeJaco, Arasanipalai K. Ananthapadmanabhan | 2002-08-20 |
| 6434519 | Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder | Sharath Manjunath, Andrew P. DeJaco, Arasanipalai K. Ananthapadmanabhan, Pengjun Huang | 2002-08-13 |
| 6324505 | Amplitude quantization scheme for low-bit-rate speech coders | Sharath Manjunath | 2001-11-27 |