G10L 25/15
The extracted parameters being formant information
Official title: the extracted parameters being formant information
G10L25/15 (The extracted parameters being formant information) appears on 222 US grants and 192 published applications in this corpus.
Search patents in G10L- Granted patents
- 222
- Published applications
- 192
- Assignees
- 157
- Inventors
- 454
- Latest grant
- 21 Apr 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 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 2 | 6 |
| 2003 | 7 | 2 |
| 2004 | 4 | 6 |
| 2005 | 1 | 9 |
| 2006 | 3 | 8 |
| 2007 | 2 | 6 |
| 2008 | 7 | 4 |
| 2009 | 4 | 1 |
| 2010 | 6 | 0 |
| 2011 | 5 | 7 |
| 2012 | 5 | 5 |
| 2013 | 4 | 9 |
| 2014 | 2 | 7 |
| 2015 | 8 | 10 |
| 2016 | 13 | 10 |
| 2017 | 14 | 19 |
| 2018 | 14 | 9 |
| 2019 | 11 | 16 |
| 2020 | 8 | 17 |
| 2021 | 12 | 9 |
| 2022 | 10 | 9 |
| 2023 | 13 | 9 |
| 2024 | 8 | 6 |
| 2025 | 3 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Voice modification detection using physical models of speech production21 Apr 2026US 12,609,132 B2Pindrop Security, Inc.
- Apparatus for classifying sounds based on neural code in spiking neural network and method thereof27 Jan 2026US 12,536,994 B2Korea University Research and Business Foundation
- Sound wave signal processing apparatus and sound wave detection method5 Aug 2025US 12,382,217 B2Asahi Kasei Microdevices Corporation
- Electronic device and control method thereof22 Jul 2025US 12,367,888 B2Samsung Electronics Co., Ltd.
- Detecting impaired physiological function by speech analysis17 Jun 2025US 12,334,105 B2Cordio Medical Ltd.
- Targeted Audio Neutralization Using Predictive Modeling9 Jul 2026US 2026/0196238 A1Bank of America Corporation
- Apparatus and method for removing ambient noise in speech waveform by using band-pass filter and deep learning7 May 2026US 2026/0128052 A1hearDL Ltd.
- System and Method Configured for Analysing Acoustic Parameters of Speech to Detect, Diagnose, Predict and/or Monitor Progression of a Condition, Disorder or Disease26 Mar 2026US 2026/0083394 A1Beats Medical Limited
- Speech enhancement device and method13 Nov 2025US 2025/0349308 A1Realtek Semiconductor Corp.
- Voice feature calculation method, voice feature calculation device, and oral function evaluation device9 Oct 2025US 2025/0316284 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Mandarin speech input method for Chinese computers and a mandarin speech recognition machine250US 5,220,639 ANational Science Council · 1993
- Apparatus and method for normalizing an input speech signal229US 6,275,795 B1Canon Kabushiki Kaisha · 2001
- Method and apparatus of intelligent guidance in natural language212US 4,736,296 AHitachi, Ltd. · 1988
- Speech recognition system and method employing data compression189US 5,627,939 AMicrosoft Corporation · 1997
- System and method for speech synthesis employing improved formant composition159US 5,325,462 AInternational Business Machines Corporation · 1994