G10L 2019/0008
Algebraic codebooks
Official title: {Algebraic codebooks}
G10L2019/0008 (Algebraic codebooks) appears on 53 US grants and 39 published applications in this corpus.
Search patents in G10L- Granted patents
- 53
- Published applications
- 39
- Assignees
- 32
- Inventors
- 86
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 1 | 0 |
| 2005 | 3 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 6 |
| 2012 | 1 | 1 |
| 2013 | 3 | 3 |
| 2014 | 2 | 0 |
| 2015 | 3 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 3 | 4 |
| 2024 | 0 | 0 |
| 2025 | 4 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low bitrate audio encoding/decoding scheme having cascaded switches10 Mar 2026US 12,573,411 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Low bitrate audio encoding/decoding scheme having cascaded switches2 Sep 2025US 12,406,679 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Low bitrate audio encoding/decoding scheme having cascaded switches2 Sep 2025US 12,406,680 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Low bitrate audio encoding/decoding scheme having cascaded switches17 Jun 2025US 12,334,086 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- 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.
- Low bitrate audio encoding/decoding scheme having cascaded switches27 Feb 2025US 2025/0069608 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Low bitrate audio encoding/decoding scheme having cascaded switches20 Feb 2025US 2025/0061902 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Low bitrate audio encoding/decoding scheme having cascaded switches20 Feb 2025US 2025/0061903 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Low bitrate audio encoding/decoding scheme having cascaded switches14 Dec 2023US 2023/0402045 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Low bitrate audio encoding/decoding scheme having cascaded switches12 Jan 2023US 2023/0009374 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Froschung e.V.
Most cited
By later US patents
- Method and system for CELP speech coding and codebook for use therewith276US 5,371,853 AUniversity of Maryland at College Park · 1994
- Dynamic codebook for efficient speech coding based on algebraic codes94US 5,444,816 AUniversite de Sherbrooke · 1995
- Depth-first algebraic-codebook search for fast coding of speech73US 5,701,392 AUniversite de Sherbrooke · 1997
- Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech63US 5,754,976 AUniversite de Sherbrooke · 1998
- Reducing sparseness in coded speech signals53US 6,029,125 ATelefonaktiebolaget'l M Ericsson (Publ) · 2000