G10L 21/0232
Processing in the frequency domain
G10L21/0232 (Processing in the frequency domain) appears on 1,704 US grants and 1,841 published applications in this corpus.
Search patents in G10L- Granted patents
- 1,704
- Published applications
- 1,841
- Assignees
- 582
- Inventors
- 3,070
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 2 |
| 2002 | 9 | 12 |
| 2003 | 7 | 12 |
| 2004 | 8 | 12 |
| 2005 | 4 | 11 |
| 2006 | 5 | 12 |
| 2007 | 6 | 13 |
| 2008 | 7 | 17 |
| 2009 | 8 | 21 |
| 2010 | 4 | 21 |
| 2011 | 19 | 27 |
| 2012 | 30 | 35 |
| 2013 | 35 | 38 |
| 2014 | 25 | 40 |
| 2015 | 43 | 59 |
| 2016 | 67 | 87 |
| 2017 | 105 | 125 |
| 2018 | 122 | 154 |
| 2019 | 184 | 194 |
| 2020 | 175 | 176 |
| 2021 | 149 | 160 |
| 2022 | 167 | 178 |
| 2023 | 152 | 154 |
| 2024 | 139 | 124 |
| 2025 | 105 | 92 |
| 2026 | 83 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Robustness/performance improvement for deep learning based speech enhancement against artifacts and distortion6 Oct 2026US 12,755,747 B2Dolby Laboratories Licensing Corporation
- Voice quality enhancement method and related device29 Sep 2026US 12,749,496 B2Huawei Technologies Co., Ltd.
- Verifying the provenance of a digital object using watermarking and embeddings15 Sep 2026US 12,738,281 B2GDM Holding LLC
- Verifying the provenance of a digital object using watermarking and embeddings15 Sep 2026US 12,738,282 B2GDM Holding LLC
- Adaptive noise estimation8 Sep 2026US 12,731,599 B2Dolby International AB
- Privacy-centric virtual assistant for unified communication infrastructure with physics-enhanced denoising and modular protocol1 Oct 2026US 2026/0300815 A1Mitel Networks Corporation
- Joint Acoustic Echo Cancellation (AEC) and Personalized Noise Suppression (PNS)1 Oct 2026US 2026/0301758 A1Microsoft Technology Licensing, LLC
- System17 Sep 2026US 2026/0279335 A1SoftBank Group Corp.
- System17 Sep 2026US 2026/0279376 A1SoftBank Group Corp.
- Method for separating far-field and near-field voice, apparatus and wearable device17 Sep 2026US 2026/0279378 A1AAC Acoustic Technologies (Shanghai) Co., Ltd.
Most cited
By later US patents
- Speech bandwidth extension method and apparatus433US 5,455,888 ANorthern Telecom Limited · 1995
- Speech signal transmitting and receiving apparatus with noise sensitive volume control276US 5,732,390 A1998
- Speech enhancement techniques on the power spectrum248US 9,031,834 B2Nuance Communications, Inc. · 2015
- Methods for speech transmission247US 5,491,772 ADigital Voice Systems, Inc. · 1996
- Tailoring beamforming techniques to environments225US 9,640,179 B1Amazon Technologies, Inc. · 2017