| 11790882 |
Active noise cancellation filter adaptation with ear cavity frequency response compensation |
Lelin Wang, Guoliang Li, Ching-Hua Yeh |
2023-10-17 |
|
| 11270721 |
Systems and methods of pre-processing of speech signals for improved speech recognition |
Arun Rajasekaran |
2022-03-08 |
|
| 11205412 |
Hybrid active noise cancellation filter adaptation |
Ching-Hua Yeh |
2021-12-21 |
|
| 11189261 |
Hybrid active noise control system |
Ching-Hua Yeh, Hsinmin Wang, Jian Mao |
2021-11-30 |
|
| 10950213 |
Hybrid active noise cancellation filter adaptation |
Ching-Hua Yeh |
2021-03-16 |
|
| 10262672 |
Audio processing for speech |
Ravi Kalluri, Andrew Walters, Luigi Bojan |
2019-04-16 |
$103,726,000 |
| 10015588 |
Beamforming optimization for receiving audio signals |
Ravi Kalluri, Andrew Walters, Luigi Bojan, Yadong Wang, Vasanthi Vuppuluri |
2018-07-03 |
$79,928,000 |
| 9837102 |
User environment aware acoustic noise reduction |
Syavosh Zad Issa, Rod G. Fleck, Hundraj S. Gopal |
2017-12-05 |
$43,576,000 |
| 9788109 |
Microphone placement for sound source direction estimation |
Chun Beng Goh, Douglas L. Beck, Jia Hua, Ilya Khorosh |
2017-10-10 |
$29,796,000 |
| 9723152 |
Nonlinear echo suppression |
Trausti Thormundsson |
2017-08-01 |
|
| 9473865 |
Integrated motion detection using changes in acoustic echo path |
Trausti Thormundsson, Ragnar H. Jonsson, Govind Kannan, Sverrir Olafsson |
2016-10-18 |
|
| 9426279 |
Systems and methods for echo cancellation and echo suppression |
Trausti Thormundsson, Yair Kerner, Ragnar H. Jonsson |
2016-08-23 |
|
| 9407992 |
Estimation of reverberation decay related applications |
Chris Gao, Govind Kannan, Trausti Thormundsson, Vilhjalmur S. Thorvaldsson |
2016-08-02 |
|
| 9344579 |
Variable step size echo cancellation with accounting for instantaneous interference |
Syavosh Zad Issa |
2016-05-17 |
$38,879,000 |
| 9049281 |
Nonlinear echo suppression |
Trausti Thormundsson |
2015-06-02 |
|
| 8767974 |
System and method for generating comfort noise |
Ronald A Fowler, Robert McGurrin, Jenny Q. Jin |
2014-07-01 |
$13,331,000 |
| 8634569 |
Systems and methods for echo cancellation and echo suppression |
Trausti Thormundsson, Yair Kerner, Ragnar H. Jonsson |
2014-01-21 |
|
| 7860236 |
Method and system for echo cancellation in a network switch |
Glenn Kosteva, Jenny Jianqiu Jin, Nick Georgacopoulos |
2010-12-28 |
$18,810,000 |
| 7570608 |
Echo canceller disabler for modulated data signals |
— |
2009-08-04 |
$18,603,000 |
| 7006458 |
Echo canceller disabler for modulated data signals |
— |
2006-02-28 |
$8,116,000 |
| 6873701 |
System and method for DTMF detection using likelihood ratios |
Wenshun Tian |
2005-03-29 |
$5,791,000 |
| 6768796 |
System and method for echo cancellation |
— |
2004-07-27 |
$9,108,000 |
| 6766020 |
System and method for comfort noise generation |
Wenshun Tian |
2004-07-20 |
$3,119,000 |
| 6711259 |
Method and apparatus for noise suppression and side-tone generation |
Raziel Haimi-Cohen |
2004-03-23 |
|
| 6590972 |
DTMF detection based on LPC coefficients |
Wenshun Tian |
2003-07-08 |
$7,413,000 |
