H04N 21/2335
Involving reformatting operations of audio signals
Official title: {involving reformatting operations of audio signals, e.g. by converting from one coding standard to another (details of audio signal transcoding G10L19/173)}
H04N21/2335 (Involving reformatting operations of audio signals) appears on 287 US grants and 323 published applications in this corpus.
Search patents in H04N- Granted patents
- 287
- Published applications
- 323
- Assignees
- 170
- Inventors
- 567
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 3 |
| 2003 | 1 | 11 |
| 2004 | 5 | 5 |
| 2005 | 1 | 12 |
| 2006 | 4 | 5 |
| 2007 | 2 | 4 |
| 2008 | 4 | 5 |
| 2009 | 3 | 7 |
| 2010 | 13 | 15 |
| 2011 | 7 | 10 |
| 2012 | 11 | 10 |
| 2013 | 8 | 12 |
| 2014 | 15 | 18 |
| 2015 | 20 | 15 |
| 2016 | 15 | 17 |
| 2017 | 16 | 16 |
| 2018 | 14 | 22 |
| 2019 | 15 | 12 |
| 2020 | 14 | 23 |
| 2021 | 20 | 33 |
| 2022 | 24 | 28 |
| 2023 | 26 | 14 |
| 2024 | 15 | 13 |
| 2025 | 19 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for just in time transcoding of video on demand29 Sep 2026US 12,750,536 B2Qumu Corporation
- Dynamic decoder configuration for live transcoding4 Aug 2026US 12,701,247 B2iStreamPlanet Co., LLC
- Multi-party optimization for audiovisual enhancement5 May 2026US 12,621,409 B2Google Inc.
- Systems and methods for applying style transfer functions in multi-camera systems and multi-microphone systems11 Nov 2025US 12,469,110 B2Intel Corporation
- Method for multimedia encoding redundancy management and apparatus for implementing the same4 Nov 2025US 12,461,829 B2Ateme
- Realtime translation of communications embedded in streaming video30 Apr 2026US 2026/0122293 A1Charter Communications Operating, LLC
- Detection of loss of connection of a cloud based signal processing of multimedia signals19 Mar 2026US 2026/0082091 A1Harman Becker Automotive Systems GmbH
- Techniques for Clock Rate Synchronization8 Jan 2026US 2026/0012676 A1Sonos, Inc.
- Live streaming translation method and apparatus, storage medium, and computer device25 Dec 2025US 2025/0390688 A1Tencent Technology (Shenzhen) Company Limited
- Content production and playout for surround screens18 Dec 2025US 2025/0386063 A1Warner Bros. Entertainment Inc.
Most cited
By later US patents
- Client server based interactive television program guide system with remote server recording995US 7,761,892 B2United Video Properties, Inc. · 2010
- Method for controlling real-time presentation of audio/visual data on a computer system353US 5,692,213 AXerox Corporation · 1997
- Video and audio multiplex transmission system244US 5,231,492 AFujitsu Limited · 1993
- Method and device for preprocessing streams of encoded data to facilitate decoding streams back-to back145US 5,838,678 A1998
- Emergency alert system119US 6,543,051 B1Scientific-Atlanta, Inc. · 2003