G10L 21/04
Time compression or expansion
G10L21/04 (Time compression or expansion) appears on 833 US grants and 859 published applications in this corpus.
Search patents in G10L- Granted patents
- 833
- Published applications
- 859
- Assignees
- 377
- Inventors
- 1,697
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 8 |
| 2002 | 11 | 20 |
| 2003 | 11 | 12 |
| 2004 | 15 | 17 |
| 2005 | 7 | 26 |
| 2006 | 15 | 26 |
| 2007 | 9 | 32 |
| 2008 | 12 | 33 |
| 2009 | 15 | 22 |
| 2010 | 17 | 21 |
| 2011 | 26 | 31 |
| 2012 | 30 | 29 |
| 2013 | 22 | 32 |
| 2014 | 27 | 35 |
| 2015 | 35 | 29 |
| 2016 | 56 | 34 |
| 2017 | 41 | 40 |
| 2018 | 38 | 48 |
| 2019 | 40 | 43 |
| 2020 | 40 | 44 |
| 2021 | 42 | 43 |
| 2022 | 42 | 64 |
| 2023 | 36 | 49 |
| 2024 | 42 | 44 |
| 2025 | 65 | 47 |
| 2026 | 26 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Audio signal processing device and operating method therefor6 Oct 2026US 12,755,750 B2Samsung Electronics Co., Ltd.
- Speech speed adjustment method and apparatus, electronic device, and readable storage medium18 Aug 2026US 12,711,945 B2Beijing Zitiao Network Technology Co., Ltd.
- Systems and methods for multi-speaker speech processing18 Aug 2026US 12,711,979 B1Datavault AI Inc.
- Method and apparatus for processing audio data, device, storage medium11 Aug 2026US 12,706,109 B2Tencent Technology (Shenzhen) Company Limited
- Contextual dialogue replacement28 Jul 2026US 12,694,905 B1eBay Inc.
- Multi-device input based shared processing techniques8 Oct 2026US 2026/0310401 A1Meta Platforms Technologies, LLC
- System and method for the creation and playback of soundtrack-enhanced audiobooks1 Oct 2026US 2026/0301744 A1Booktrack Holdings Limited
- Generating Customized Audio24 Sep 2026US 2026/0290368 A1Bettear Accessible Technologies Development Ltd
- System24 Sep 2026US 2026/0290369 A1SoftBank Group Corp.
- System17 Sep 2026US 2026/0279376 A1SoftBank Group Corp.
Most cited
By later US patents
- Speech segment coding and pitch control methods for speech synthesis systems296US 5,617,507 AKorea Telecommunication Authority · 1997
- Efficient techniques for modifying audio playback rates283US 7,664,558 B2Apple Inc. · 2010
- Pitch-Preserved digital audio playback synchronized to asynchronous clock271US 6,526,325 B1Creative Technology Ltd · 2003
- Flexible sampling-rate encoder257US 7,613,264 B2LSI Corporation · 2009
- Fast waveform synchronization for concentration and time-scale modification of speech233US 7,058,569 B2Nuance Communications, Inc. · 2006