Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624804 | System and method for location determination utilizing direct path information | Ian Davis, Hong Jiang | 2023-04-11 |
| 9763004 | Systems and methods for audio conferencing | Rabih Abou-Chakra, Abdelkrim Moulehiawy | 2017-09-12 |
| 8750494 | Clock skew compensation for acoustic echo cancellers using inaudible tones | — | 2014-06-10 |
| 8587631 | Facilitating communications using a portable communication device and directed sound output | — | 2013-11-19 |
| 8571192 | Method and apparatus for improved matching of auditory space to visual space in video teleconferencing applications using window-based displays | — | 2013-10-29 |
| 8560312 | Method and apparatus for the detection of impulsive noise in transmitted speech signals for use in speech quality assessment | — | 2013-10-15 |
| 8559619 | Methods and devices for reducing sidetone noise levels | — | 2013-10-15 |
| 8135587 | Estimating the noise components of a signal during periods of speech activity | — | 2012-03-13 |
| 7542899 | Method and apparatus for adjusting the level of a speech signal in its encoded format | — | 2009-06-02 |
| 7366659 | Methods and devices for selectively generating time-scaled sound signals | — | 2008-04-29 |
| 7321559 | System and method of noise reduction in receiving wireless transmission of packetized audio signals | Katherine G. August, Theodore Sizer, II | 2008-01-22 |
| 7242763 | Systems and methods for far-end noise reduction and near-end noise compensation in a mixed time-frequency domain compander to improve signal quality in communications systems | — | 2007-07-10 |
| 7072831 | Estimating the noise components of a signal | — | 2006-07-04 |
| 7010118 | Noise compensation methods and systems for increasing the clarity of voice communications | — | 2006-03-07 |
| 6760435 | Method and apparatus for network speech enhancement | Chin-Sheng Chuang | 2004-07-06 |
| 5673210 | Signal restoration using left-sided and right-sided autoregressive parameters | — | 1997-09-30 |