H04N 21/4341
Demultiplexing of audio and video streams
Official title: {Demultiplexing of audio and video streams}
H04N21/4341 (Demultiplexing of audio and video streams) appears on 1,272 US grants and 1,295 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,272
- Published applications
- 1,295
- Assignees
- 433
- Inventors
- 2,291
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 27 | 0 |
| 1997 | 30 | 0 |
| 1998 | 33 | 0 |
| 1999 | 42 | 0 |
| 2000 | 34 | 0 |
| 2001 | 48 | 29 |
| 2002 | 34 | 62 |
| 2003 | 24 | 73 |
| 2004 | 29 | 52 |
| 2005 | 35 | 55 |
| 2006 | 47 | 108 |
| 2007 | 37 | 132 |
| 2008 | 38 | 96 |
| 2009 | 58 | 105 |
| 2010 | 71 | 75 |
| 2011 | 69 | 59 |
| 2012 | 98 | 55 |
| 2013 | 76 | 57 |
| 2014 | 102 | 71 |
| 2015 | 83 | 62 |
| 2016 | 47 | 31 |
| 2017 | 37 | 39 |
| 2018 | 32 | 23 |
| 2019 | 24 | 15 |
| 2020 | 23 | 21 |
| 2021 | 16 | 15 |
| 2022 | 18 | 16 |
| 2023 | 12 | 17 |
| 2024 | 14 | 11 |
| 2025 | 8 | 11 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Determining video provenance utilizing deep learning8 Sep 2026US 12,732,657 B2Adobe Inc.
- Display device for outputting audio25 Aug 2026US 12,717,541 B2LG Electronics Inc.
- Multimedia system and method for AR/VR smart contact lens18 Aug 2026US 12,710,670 B2
- Audio processing18 Aug 2026US 12,711,982 B2Nokia Technologies Oy
- Seamless audio and video transition19 May 2026US 12,634,545 B2Thomson Licensing
- Video playing method and apparatus, electronic device, and storage medium4 Jun 2026US 2026/0154916 A1Beijing Bytedance Network Technology Co., Ltd.
- Systems and methods for audio timing and synchronization7 May 2026US 2026/0129597 A1Datavault AI Inc.
- Latency compensation between coordinated player devices12 Mar 2026US 2026/0075277 A1
- Seamless audio and video transition12 Feb 2026US 2026/0046468 A1ARRIS Enterprises LLC
- Systems and methods for synchronization of audio streams5 Feb 2026US 2026/0040248 A1Datavault AI Inc.
Most cited
By later US patents
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- Audio and video transmission and receiving system941US 5,132,992 A1992
- Interactive entertainment and information system using television set-top box650US 6,317,885 B1Microsoft Corporation · 2001
- Audio and video transmission and receiving system533US 5,253,275 A1993
- Audio and video transmission and receiving system508US 6,002,720 AH. Lee Browne, D/B/A Greenwich Information Technologies LLC · 1999