G10L 21/0208
Noise filtering
G10L21/0208 (Noise filtering) appears on 5,739 US grants and 6,544 published applications in this corpus.
Search patents in G10L- Granted patents
- 5,739
- Published applications
- 6,544
- Assignees
- 1,508
- Inventors
- 9,077
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 18 | 0 |
| 1997 | 20 | 0 |
| 1998 | 35 | 0 |
| 1999 | 33 | 0 |
| 2000 | 31 | 0 |
| 2001 | 28 | 13 |
| 2002 | 36 | 64 |
| 2003 | 32 | 96 |
| 2004 | 34 | 75 |
| 2005 | 34 | 102 |
| 2006 | 81 | 100 |
| 2007 | 64 | 91 |
| 2008 | 58 | 139 |
| 2009 | 60 | 146 |
| 2010 | 61 | 160 |
| 2011 | 95 | 169 |
| 2012 | 179 | 220 |
| 2013 | 176 | 229 |
| 2014 | 202 | 217 |
| 2015 | 212 | 306 |
| 2016 | 345 | 312 |
| 2017 | 401 | 336 |
| 2018 | 345 | 366 |
| 2019 | 445 | 447 |
| 2020 | 410 | 469 |
| 2021 | 396 | 496 |
| 2022 | 443 | 491 |
| 2023 | 405 | 466 |
| 2024 | 394 | 416 |
| 2025 | 366 | 359 |
| 2026 | 237 | 259 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G10L 21/0216Characterised by the method used for estimating noise3,733
- G10L 2021/02082The noise being echo, reverberation of the speechIndexing code1,180
- G10L 21/0264Characterised by the type of parameter measurement401
- G10L 2021/02087The noise being separate speechIndexing code324
- G10L 2021/02085Periodic noiseIndexing code89
Recent patents
- Dynamic caption generation on a vehicle display unit6 Oct 2026US 12,752,625 B2Adeia Guides Inc.
- Control of a volume leveling unit using two-stage noise classifier6 Oct 2026US 12,755,746 B2Dolby Laboratories Licensing Corporation
- Robustness/performance improvement for deep learning based speech enhancement against artifacts and distortion6 Oct 2026US 12,755,747 B2Dolby Laboratories Licensing Corporation
- Audio signal processing device and operating method therefor6 Oct 2026US 12,755,750 B2Samsung Electronics Co., Ltd.
- Wearable device with blocked sensor detection6 Oct 2026US 12,756,983 B2Bose Corporation
- Multi-device input based shared processing techniques8 Oct 2026US 2026/0310401 A1Meta Platforms Technologies, LLC
- Method for determining speech dataset, electronic device and storge medium8 Oct 2026US 2026/0311679 A1Baidu International Technology (Shenzhen) Co., Ltd.
- Method and device for generating speech enhancement model, and speech enhancement method and device8 Oct 2026US 2026/0311716 A1Orka Health Co., Ltd.
- Sound classification in noisy environments8 Oct 2026US 2026/0311717 A1Telefonaktiebolaget LM Ericsson (publ)
- Dynamic caption generation on a vehicle display unit1 Oct 2026US 2026/0296192 A1Adeia Guides Inc.
Most cited
By later US patents
- System and method for a cooperative conversational voice user interface656US 8,073,681 B2VoiceBox Technologies, Inc. · 2011
- Methods and devices for selectively ignoring captured audio data454US 9,691,378 B1Amazon Technologies, Inc. · 2017
- Speech bandwidth extension method and apparatus433US 5,455,888 ANorthern Telecom Limited · 1995
- System and method for improved speech acquisition for hands-free voice telecommunication in a noisy environment410US 5,353,376 ATexas Instruments Incorporated · 1994
- Method and apparatus for multi-channel audio processing using single-channel components378US 8,233,632 B1Google Inc. · 2012