G10L 19/125
Pitch excitation
Official title: Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
G10L19/125 (Pitch excitation) appears on 128 US grants and 113 published applications in this corpus.
Search patents in G10L- Granted patents
- 128
- Published applications
- 113
- Assignees
- 46
- Inventors
- 115
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 2 | 8 |
| 2009 | 1 | 5 |
| 2010 | 4 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 3 | 5 |
| 2014 | 4 | 1 |
| 2015 | 1 | 5 |
| 2016 | 6 | 26 |
| 2017 | 14 | 6 |
| 2018 | 5 | 6 |
| 2019 | 16 | 6 |
| 2020 | 9 | 9 |
| 2021 | 10 | 5 |
| 2022 | 4 | 6 |
| 2023 | 4 | 2 |
| 2024 | 4 | 5 |
| 2025 | 3 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding device8 Sep 2026US 12,731,594 B2Electronics and Telecommunications Research Institute
- Post filter for audio signals20 Jan 2026US 12,531,076 B2Dolby International AB
- Apparatus and method for improved concealment of the adaptive codebook in a CELP-like concealment employing improved pitch lag estimation27 May 2025US 12,315,518 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Phase reconstruction in a speech decoder13 May 2025US 12,300,253 B2Microsoft Technology Licensing, LLC
- Encoder, decoder and method for encoding and decoding audio content using parameters for enhancing a concealment1 Apr 2025US 12,266,375 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Audio compensation method and apparatus, electronic device, and storage medium20 Aug 2026US 2026/0245570 A1Beijing Zitiao Network Technology Co., Ltd.
- Post filter for audio signals9 Jul 2026US 2026/0196229 A1Dolby International AB
- System and method for voice morphing in a data annotator tool7 Nov 2024US 2024/0370667 A1SoundHound AI IP, LLC
- Post filter for audio signals15 Aug 2024US 2024/0274145 A1Dolby International AB
- Lpc residual signal encoding/decoding apparatus of modified discrete cosine transform (mdct)-based unified voice/audio encoding device28 Mar 2024US 2024/0105194 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- Linear predictive speech encoding systems with efficient combination pitch coefficients computation225US 5,794,182 AApple Computer, Inc. · 1998
- Pitch determination using speech classification and prior pitch estimation120US 6,507,814 B1Conexant Systems, Inc. · 2003
- Speech encoder using voice activity detection in coding noise106US 6,823,303 B1Conexant Systems, Inc. · 2004
- Adaptive gain reduction to produce fixed codebook target signal103US 6,104,992 AConexant Systems, Inc. · 2000
- Speech codec employing noise classification for noise compensation103US 6,240,386 B1Conexant Systems, Inc. · 2001