H04S 2420/11
Application of ambisonics in stereophonic audio systems
H04S2420/11 (Application of ambisonics in stereophonic audio systems) appears on 757 US grants and 917 published applications in this corpus.
Search patents in H04S- Granted patents
- 757
- Published applications
- 917
- Assignees
- 174
- Inventors
- 779
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 3 | 7 |
| 2011 | 0 | 6 |
| 2012 | 6 | 2 |
| 2013 | 6 | 8 |
| 2014 | 3 | 31 |
| 2015 | 11 | 30 |
| 2016 | 32 | 43 |
| 2017 | 61 | 63 |
| 2018 | 65 | 70 |
| 2019 | 82 | 87 |
| 2020 | 71 | 96 |
| 2021 | 74 | 97 |
| 2022 | 79 | 73 |
| 2023 | 65 | 64 |
| 2024 | 69 | 91 |
| 2025 | 74 | 81 |
| 2026 | 35 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection of the change of position of a set-top box by image analysis29 Sep 2026US 12,750,627 B2Sagemcom Broadband SAS
- Determination of the significance of spatial audio parameters and associated encoding15 Sep 2026US 12,738,284 B2Nokia Technologies Oy
- Method and apparatus for obtaining a higher-order ambisonics (HOA) coefficient15 Sep 2026US 12,739,584 B2Huawei Technologies Co., Ltd.
- Masking zone in metadata for spatial audio rendering25 Aug 2026US 12,720,270 B2Apple Inc.
- Method and system for controlling directivity of an audio source in a virtual reality environment18 Aug 2026US 12,713,197 B2Dolby International AB
- Method and device for decoding an audio soundfield representation8 Oct 2026US 2026/0311709 A1Dolby Laboratories Licensing Corporation
- Virtual sound sources and rendering techniques8 Oct 2026US 2026/0313309 A1Dolby International AB
- A method and apparatus for efficient delivery for 6dof rendering24 Sep 2026US 2026/0292431 A1Nokia Technologies Oy
- Virtual environment scaling using audio zoning24 Sep 2026US 2026/0292436 A1Meta Platforms Technologies, LLC
- Object Audio Coding10 Sep 2026US 2026/0270640 A1Apple Inc.
Most cited
By later US patents
- Hinged computing device for binaural recording250US 10,129,648 B1Microsoft Technology Licensing, LLC · 2018
- Surround sound apparatus238US 5,757,927 ATrifield Productions Limited · 1998
- Stereophonic signal processor150US 5,671,287 ATrifield Productions Limited · 1997
- Sound reproduction system having a matrix converter80US 5,594,800 ATrifield Productions Limited · 1997
- Methods and apparatus for processing spatialized audio62US 6,259,795 B1Lake DSP Pty Limited · 2001