G10K 2210/505
Echo cancellation
Official title: Echo cancellation, e.g. multipath-, ghost- or reverberation-cancellation
G10K2210/505 (Echo cancellation) appears on 101 US grants and 94 published applications in this corpus.
Search patents in G10K- Granted patents
- 101
- Published applications
- 94
- Assignees
- 70
- Inventors
- 231
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 3 | 3 |
| 2015 | 4 | 4 |
| 2016 | 3 | 3 |
| 2017 | 9 | 2 |
| 2018 | 3 | 0 |
| 2019 | 4 | 3 |
| 2020 | 1 | 7 |
| 2021 | 4 | 3 |
| 2022 | 8 | 15 |
| 2023 | 11 | 13 |
| 2024 | 9 | 14 |
| 2025 | 10 | 10 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic device and method for detecting error of a signal1 Sep 2026US 12,725,601 B2Samsung Electronics Co., Ltd.
- Interference sound suppressing device, interference sound suppressing method, and non-transitory computer readable recording medium storing interference sound suppressing program14 Jul 2026US 12,682,881 B2Panasonic Intellectual Property Corporation of America
- Apparatus, system, and method of acoustic feedback (AFB) mitigation19 May 2026US 12,634,619 B2Silentium Ltd.
- Directionality induced robust acoustic echo canceler adaptation12 May 2026US 12,626,682 B2GM Global Technology Operations LLC
- Apparatus, method, and computer program for adjusting noise control processing28 Apr 2026US 12,615,488 B2Nokia Technology GmbH
- Vehicle sound processing device and method18 Jun 2026US 2026/0171063 A1Hyundai Motor Company
- Methods and systems for audio processing7 May 2026US 2026/0128031 A1
- Beamforming/Cross Talk Removal/Echo Cancelation/Noise Reduction30 Apr 2026US 2026/0122420 A1Sony Interactive Entertainment Inc.
- Microphone signal processing5 Mar 2026US 2026/0065889 A1Nokia Technologies Oy
- Acoustic system and in-vehicle communication support system26 Feb 2026US 2026/0059233 A1Alps Alpine Co., Ltd.
Most cited
By later US patents
- Multichannel acoustic echo cancellation213US 9,659,555 B1Amazon Technologies, Inc. · 2017
- Two-input crosstalk-resistant adaptive noise canceller197US 4,649,505 AGeneral Electric Company · 1987
- Directional acoustic signal processor and method therefor195US 6,002,776 AInterval Research Corporation · 1999
- Acoustic echo cancellation in an integrated audio and telecommunication system142US 5,706,344 ADigisonix, Inc. · 1998
- Method and apparatus for cancelling vibrations62US 4,490,841 ASound Attenuators Limited · 1984