G10L 21/02
Speech enhancement
Official title: Speech enhancement, e.g. noise reduction or echo cancellation (reducing echo effects in line transmission systems H04B3/20; echo suppression in hands-free telephones H04M9/08)
G10L21/02 (Speech enhancement) appears on 8,867 US grants and 10,247 published applications in this corpus.
Search patents in G10L- Granted patents
- 8,867
- Published applications
- 10,247
- Assignees
- 1,966
- Inventors
- 12,484
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 16 | 0 |
| 1994 | 15 | 0 |
| 1995 | 17 | 0 |
| 1996 | 26 | 0 |
| 1997 | 23 | 0 |
| 1998 | 44 | 0 |
| 1999 | 45 | 0 |
| 2000 | 40 | 0 |
| 2001 | 42 | 20 |
| 2002 | 58 | 107 |
| 2003 | 49 | 145 |
| 2004 | 60 | 120 |
| 2005 | 53 | 149 |
| 2006 | 122 | 168 |
| 2007 | 91 | 153 |
| 2008 | 98 | 224 |
| 2009 | 104 | 238 |
| 2010 | 118 | 259 |
| 2011 | 161 | 256 |
| 2012 | 286 | 328 |
| 2013 | 285 | 356 |
| 2014 | 304 | 335 |
| 2015 | 325 | 453 |
| 2016 | 511 | 535 |
| 2017 | 643 | 585 |
| 2018 | 548 | 579 |
| 2019 | 697 | 670 |
| 2020 | 653 | 672 |
| 2021 | 556 | 759 |
| 2022 | 630 | 735 |
| 2023 | 611 | 759 |
| 2024 | 606 | 649 |
| 2025 | 612 | 585 |
| 2026 | 373 | 408 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dynamic caption generation on a vehicle display unit6 Oct 2026US 12,752,625 B2Adeia Guides Inc.
- Oversampling in a combined transposer filterbank6 Oct 2026US 12,753,444 B2Dolby International AB
- 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
- Personalized, real-time audio processing6 Oct 2026US 12,755,748 B2eBay Inc.
- 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.
- Cross-lingual prosodic voice cloning in plurality of languages8 Oct 2026US 2026/0311715 A1Camb Ai, Inc.
- 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)
Most cited
By later US patents
- Rearview mirror assembly with added feature modular display915US 6,329,925 B1Donnelly Corporation · 2001
- System and method for a cooperative conversational voice user interface656US 8,073,681 B2VoiceBox Technologies, Inc. · 2011
- Rearview mirror assembly with added feature modular display505US 6,501,387 B2Donnelly Corporation · 2002
- 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