G10L 25/90
Pitch determination of speech signals
G10L25/90 (Pitch determination of speech signals) appears on 1,029 US grants and 1,018 published applications in this corpus.
Search patents in G10L- Granted patents
- 1,029
- Published applications
- 1,018
- Assignees
- 456
- Inventors
- 1,956
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 14 | 0 |
| 1998 | 20 | 0 |
| 1999 | 21 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 5 |
| 2002 | 16 | 10 |
| 2003 | 10 | 18 |
| 2004 | 6 | 32 |
| 2005 | 12 | 18 |
| 2006 | 23 | 27 |
| 2007 | 13 | 25 |
| 2008 | 11 | 29 |
| 2009 | 21 | 38 |
| 2010 | 19 | 32 |
| 2011 | 25 | 31 |
| 2012 | 40 | 34 |
| 2013 | 33 | 42 |
| 2014 | 37 | 32 |
| 2015 | 46 | 43 |
| 2016 | 47 | 39 |
| 2017 | 53 | 55 |
| 2018 | 45 | 69 |
| 2019 | 80 | 89 |
| 2020 | 62 | 68 |
| 2021 | 54 | 56 |
| 2022 | 63 | 65 |
| 2023 | 51 | 54 |
| 2024 | 48 | 42 |
| 2025 | 36 | 33 |
| 2026 | 24 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Speech features-based single channel voice activity detection method and system for reducing noise from an audio signal8 Sep 2026US 12,731,603 B2GM Global Technology Operations LLC
- Cross product enhanced harmonic transposition28 Jul 2026US 12,694,885 B2Dolby International AB
- Statistical provisioning of perceptual audio cues to enhance speech7 Jul 2026US 12,677,106 B1Meta Platforms Technologies, LLC
- Verbal language analysis9 Jun 2026US 12,651,595 B2Vrbl LLC
- System and method for podcast repetitive content detection26 May 2026US 12,640,162 B2Gracenote, Inc.
- Systems and methods for prosodic classification and dictionary generation in speech signals8 Oct 2026US 2026/0311691 A1Yeda Research and Development Co. Ltd.
- Non-Contact Intelligent Health Monitoring Method and System Using DrAI Screen Technology8 Oct 2026US 2026/0311881 A1
- Real-time adaptable interactive ai persona1 Oct 2026US 2026/0301965 A1
- System24 Sep 2026US 2026/0289144 A1SoftBank Group Corp.
- System24 Sep 2026US 2026/0289185 A1SoftBank Group Corp.
Most cited
By later US patents
- Mode-specific method and apparatus for encoding signals containing speech339US 5,596,676 AHughes Electronics Corporation · 1997
- System, method and article of manufacture for detecting emotion in voice signals through analysis of a plurality of voice signal parameters329US 6,151,571 AAndersen Consulting LLP · 2000
- Voiced/unvoiced estimation of an acoustic signal295US 5,216,747 ADigital Voice Systems, Inc. · 1993
- Low-complexity method for improving the performance of autocorrelation-based pitch detectors276US 5,127,053 AGeneral Electric Company · 1992
- Global boundary-centric feature extraction and associated discontinuity metrics275US 7,643,990 B1Apple Inc. · 2010