H04N 21/4392
Involving audio buffer management
Official title: {involving audio buffer management}
H04N21/4392 (Involving audio buffer management) appears on 273 US grants and 302 published applications in this corpus.
Search patents in H04N- Granted patents
- 273
- Published applications
- 302
- Assignees
- 165
- Inventors
- 515
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 7 |
| 2003 | 5 | 7 |
| 2004 | 4 | 10 |
| 2005 | 5 | 11 |
| 2006 | 3 | 10 |
| 2007 | 2 | 12 |
| 2008 | 9 | 7 |
| 2009 | 9 | 13 |
| 2010 | 6 | 10 |
| 2011 | 10 | 19 |
| 2012 | 11 | 9 |
| 2013 | 13 | 8 |
| 2014 | 17 | 16 |
| 2015 | 17 | 18 |
| 2016 | 9 | 13 |
| 2017 | 23 | 18 |
| 2018 | 16 | 13 |
| 2019 | 10 | 10 |
| 2020 | 13 | 16 |
| 2021 | 12 | 20 |
| 2022 | 15 | 18 |
| 2023 | 9 | 10 |
| 2024 | 17 | 11 |
| 2025 | 9 | 6 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Content filter for information handling systems8 Sep 2026US 12,732,661 B2Dell Products L. P.
- Systems and methods for adjusting buffer size18 Aug 2026US 12,713,093 B2Adeia Guides Inc.
- Methods, systems, and devices for providing video content to a communication device7 Jul 2026US 12,677,037 B1Nova Blue Patent Holdings, LLC
- Seamless audio and video transition19 May 2026US 12,634,545 B2Thomson Licensing
- System for censoring digital media17 Mar 2026US 12,581,158 B2
- Remote video stream frame processing24 Sep 2026US 2026/0292295 A1Hewlett-Packard Development Company, L. P.
- System for censoring digital media25 Jun 2026US 2026/0181210 A1
- Systems and methods for latency optimization for cloud applications18 Jun 2026US 2026/0172631 A1Avago Technologies International Sales Pte. Limited
- Systems, methods, and apparatuses for buffer management30 Apr 2026US 2026/0122307 A1Comcast Cable Communications, LLC
- Content filter for information handling systems30 Apr 2026US 2026/0122315 A1Dell Products L. P.
Most cited
By later US patents
- Synchronization of audio and video signals in a live multicast in a LAN562US 6,122,668 AStarlight Networks · 2000
- Methods and systems to fast fill media players337US 6,801,964 B1Novell, Inc. · 2004
- Method to synchronize playback of multicast audio streams on a local network298US 7,324,857 B2Gateway, Inc. · 2008
- Audio/video synchronization in a digital transmission system282US 5,430,485 AThomson Consumer Electronics, Inc. · 1995
- Method and apparatus for synchronizing playback of streaming media in multiple output devices234US 8,015,306 B2Control4 Corporation · 2011