G10L 19/107
Sparse pulse excitation
Official title: Sparse pulse excitation, e.g. by using algebraic codebook
G10L19/107 (Sparse pulse excitation) appears on 119 US grants and 122 published applications in this corpus.
Search patents in G10L- Granted patents
- 119
- Published applications
- 122
- Assignees
- 37
- Inventors
- 131
- Latest grant
- 19 May 2026
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|---|---|---|
| 1991 | 1 | 0 |
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| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 5 |
| 2005 | 2 | 4 |
| 2006 | 3 | 3 |
| 2007 | 1 | 6 |
| 2008 | 3 | 7 |
| 2009 | 8 | 7 |
| 2010 | 4 | 8 |
| 2011 | 6 | 4 |
| 2012 | 3 | 6 |
| 2013 | 8 | 18 |
| 2014 | 9 | 3 |
| 2015 | 11 | 5 |
| 2016 | 7 | 14 |
| 2017 | 14 | 4 |
| 2018 | 6 | 6 |
| 2019 | 8 | 6 |
| 2020 | 5 | 1 |
| 2021 | 2 | 1 |
| 2022 | 3 | 4 |
| 2023 | 1 | 1 |
| 2024 | 3 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for encoding a speech signal employing ACELP in the autocorrelation domain19 May 2026US 12,633,298 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- 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.
- Encoding method, decoding method, encoding apparatus, and decoding apparatus4 Feb 2025US 12,217,764 B2Huawei Technologies Co., Ltd.
- Apparatus for encoding a speech signal employing ACELP in the autocorrelation domain4 Jun 2024US 12,002,481 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Apparatus for encoding a speech signal employing acelp in the autocorrelation domain27 Aug 2026US 2026/0253595 A1
- Post filter for audio signals9 Jul 2026US 2026/0196229 A1Dolby International AB
- Encoding Method, Decoding Method, Encoding Apparatus, and Decoding Apparatus26 Jun 2025US 2025/0210053 A1Huawei Technologies Co., Ltd.
- Apparatus for encoding a speech signal employing acelp in the autocorrelation domain26 Sep 2024US 2024/0321284 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Post filter for audio signals15 Aug 2024US 2024/0274145 A1Dolby International AB
Most cited
By later US patents
- Algebraic code-excited linear prediction speech coding method44US 5,717,825 AFrance Telecom · 1998
- Pulse pattern excited linear prediction voice coder40US 5,327,519 ANokia Mobile Phones Ltd. · 1994
- Speech coding system31US 5,245,662 AFujitsu Limited · 1993
- Sound encoder and sound decoder25US 6,415,254 B1Matsushita Electric Industrial Co., Ltd. · 2002
- Voice encoding and voice decoding using an adaptive codebook and an algebraic codebook23US 6,594,626 B2Fujitsu Limited · 2003