G10L 21/003
Changing voice quality
Official title: Changing voice quality, e.g. pitch or formants
G10L21/003 (Changing voice quality) appears on 890 US grants and 1,087 published applications in this corpus.
Search patents in G10L- Granted patents
- 890
- Published applications
- 1,087
- Assignees
- 399
- Inventors
- 2,072
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 4 |
| 2002 | 4 | 10 |
| 2003 | 5 | 11 |
| 2004 | 6 | 14 |
| 2005 | 3 | 6 |
| 2006 | 10 | 20 |
| 2007 | 5 | 22 |
| 2008 | 8 | 27 |
| 2009 | 12 | 19 |
| 2010 | 20 | 14 |
| 2011 | 13 | 17 |
| 2012 | 25 | 21 |
| 2013 | 13 | 35 |
| 2014 | 22 | 36 |
| 2015 | 28 | 36 |
| 2016 | 36 | 48 |
| 2017 | 61 | 51 |
| 2018 | 43 | 55 |
| 2019 | 46 | 59 |
| 2020 | 60 | 51 |
| 2021 | 60 | 95 |
| 2022 | 69 | 96 |
| 2023 | 87 | 109 |
| 2024 | 72 | 89 |
| 2025 | 86 | 82 |
| 2026 | 54 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Audio translator6 Oct 2026US 12,755,728 B2Spotify AB
- System and method for automatic alignment of phonetic content for real-time accent conversion29 Sep 2026US 12,749,494 B2Sanas.Ai Inc.
- Simulated choral audio chatter29 Sep 2026US 12,750,409 B2Microsoft Technology Licensing, LLC
- Voice processing for mixed reality15 Sep 2026US 12,738,289 B2Magic Leap, Inc.
- Apparatus for outputting an audio signal in a vehicle cabin1 Sep 2026US 12,725,626 B2Ask Industries GmbH
- System and method for securely transmitting voice signals17 Sep 2026US 2026/0279371 A1Microsoft Technology Licensing, LLC
- Information processing system and information processing method17 Sep 2026US 2026/0279372 A1Yamaha Corporation
- Machine-learning-based speech production correction17 Sep 2026US 2026/0279373 A1Bar-Ilan University
- Speech similarity embeddings with sensitivity to recording conditions via two-stage augmentations17 Sep 2026US 2026/0279382 A1GDM Holding LLC
- Emotion filtering system17 Sep 2026US 2026/0279384 A1SoftBank Group Corp.
Most cited
By later US patents
- Providing personalized voice font for text-to-speech applications309US 7,693,719 B2Microsoft Corporation · 2010
- Speech transformation system291US 5,327,521 AThe Walt Disney Company · 1994
- Apparatus and method for voice conversion using attribute information269US 7,580,839 B2Kabushiki Kaisha Toshiba · 2009
- Speech enhancement techniques on the power spectrum248US 9,031,834 B2Nuance Communications, Inc. · 2015
- Natural human-computer interaction for virtual personal assistant systems248US 9,607,612 B2Intel Corporation · 2017