G10L 2019/0011
Long term prediction filters, i.e. pitch estimation
Official title: {Long term prediction filters, i.e. pitch estimation}
G10L2019/0011 (Long term prediction filters, i.e. pitch estimation) appears on 170 US grants and 85 published applications in this corpus.
Search patents in G10L- Granted patents
- 170
- Published applications
- 85
- Assignees
- 61
- Inventors
- 183
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 18 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 7 |
| 2003 | 3 | 3 |
| 2004 | 6 | 0 |
| 2005 | 2 | 6 |
| 2006 | 2 | 1 |
| 2007 | 3 | 2 |
| 2008 | 3 | 8 |
| 2009 | 2 | 2 |
| 2010 | 5 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 0 | 1 |
| 2016 | 4 | 15 |
| 2017 | 6 | 3 |
| 2018 | 7 | 9 |
| 2019 | 8 | 3 |
| 2020 | 9 | 5 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 4 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Audio signal enhancement method and apparatus, computer device, storage medium and computer program product26 Aug 2025US 12,400,674 B2Tencent Technology (Shenzhen) Company Limited
- Apparatus and method realizing improved concepts for TCX LTP22 Oct 2024US 12,125,491 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Apparatus and method for improved signal fade out for switched audio coding systems during error concealment9 Jan 2024US 11,869,514 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Apparatus and method for improved signal fade out in different domains during error concealment3 Oct 2023US 11,776,551 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Self-supervised pitch estimation12 Sep 2023US 11,756,530 B2Google Inc.
- Encoder for encoding a multi-channel audio signal4 Dec 2025US 2025/0372106 A1
- Audio signal enhancement method and apparatus, computer device, storage medium and computer program product30 Mar 2023US 2023/0099343 A1Tencent Technology (Shenzhen) Company Limited
- Self-supervised pitch estimation27 Oct 2022US 2022/0343896 A1Google Inc.
- Audio signal processing device, audio signal processing method, and audio signal processing program5 May 2022US 2022/0139411 A1Ntt Docomo, Inc.
- Stereo Encoding Method and Apparatus, and Stereo Decoding Method and Apparatus21 Apr 2022US 2022/0122619 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Low-complexity method for improving the performance of autocorrelation-based pitch detectors276US 5,127,053 AGeneral Electric Company · 1992
- Method and system for CELP speech coding and codebook for use therewith276US 5,371,853 AUniversity of Maryland at College Park · 1994
- Speech coder252US 5,208,862 ANEC Corporation · 1993
- Speech coding system utilizing a recursive computation technique for improvement in processing speed240US 5,230,036 AKabushiki Kaisha Toshiba · 1993
- Method for improving speech quality in code excited linear predictive speech coding195US 4,980,916 AGeneral Electric Company · 1990