H04N 9/802
Involving processing of the sound signal
Official title: involving processing of the sound signal (H04N9/806, H04N9/835 take precedence)
H04N9/802 (Involving processing of the sound signal) appears on 505 US grants and 230 published applications in this corpus.
Search patents in H04N- Granted patents
- 505
- Published applications
- 230
- Assignees
- 161
- Inventors
- 788
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 13 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 14 | 0 |
| 1988 | 23 | 0 |
| 1989 | 36 | 0 |
| 1990 | 15 | 0 |
| 1991 | 25 | 0 |
| 1992 | 18 | 0 |
| 1993 | 20 | 0 |
| 1994 | 22 | 0 |
| 1995 | 21 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 0 |
| 2002 | 9 | 2 |
| 2003 | 2 | 7 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 3 | 4 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 5 | 5 |
| 2011 | 2 | 2 |
| 2012 | 1 | 7 |
| 2013 | 6 | 3 |
| 2014 | 6 | 11 |
| 2015 | 8 | 19 |
| 2016 | 13 | 21 |
| 2017 | 19 | 30 |
| 2018 | 19 | 26 |
| 2019 | 28 | 25 |
| 2020 | 20 | 12 |
| 2021 | 14 | 8 |
| 2022 | 11 | 11 |
| 2023 | 7 | 9 |
| 2024 | 9 | 9 |
| 2025 | 3 | 5 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for managing content items25 Aug 2026US 12,720,029 B2Comcast Cable Communications, LLC
- Systems and methods for processing recorded data for storage using computer-aided dispatch information9 Jun 2026US 12,651,302 B2Axon Enterprise, Inc.
- Systems and methods for adjusting dubbed speech based on context of a scene28 Apr 2026US 12,614,540 B2Adeia Guides Inc.
- Systems and methods to edit videos to remove and/or conceal audible commands31 Mar 2026US 12,592,259 B2Intel Corporation
- Electronic device and control method for controlling speed of workout video24 Mar 2026US 12,587,609 B2Samsung Electronics Co., Ltd.
- Systems and methods for adjusting dubbed speech based on context of a scene13 Aug 2026US 2026/0237378 A1Adeia Guides Inc.
- Video Recording System for Synchronizing a Plurality of Audio Inputs27 Nov 2025US 2025/0364011 A1
- Wireless microphone and control method16 Oct 2025US 2025/0324183 A1Canon Kabushiki Kaisha
- Imaging method and imaging apparatus28 Aug 2025US 2025/0274706 A1FUJIFILM Corporation
- Signal processing apparatus, control method for signal processing apparatus, and recording medium17 Jul 2025US 2025/0233969 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Audiovisual reproduction system604US 8,074,253 B1TouchTunes Music Corporation · 2011
- Audiovisual reproduction system278US 6,336,219 B12002
- Audiovisual reproduction system226US 7,231,656 B1TouchTunes Music Corporation · 2007
- Method of providing identification, other digital data and multiple audio tracks in video systems220US 4,855,827 AWorlds of Wonder, Inc. · 1989
- Audiovisual reproduction system193US 7,448,057 B1TouchTunes Music Corporation · 2008