H04S 2420/13
Application of wave-field synthesis in stereophonic audio systems
H04S2420/13 (Application of wave-field synthesis in stereophonic audio systems) appears on 183 US grants and 224 published applications in this corpus.
Search patents in H04S- Granted patents
- 183
- Published applications
- 224
- Assignees
- 73
- Inventors
- 256
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 6 |
| 2006 | 1 | 11 |
| 2007 | 1 | 4 |
| 2008 | 2 | 12 |
| 2009 | 2 | 3 |
| 2010 | 10 | 6 |
| 2011 | 3 | 5 |
| 2012 | 10 | 4 |
| 2013 | 9 | 11 |
| 2014 | 6 | 12 |
| 2015 | 7 | 14 |
| 2016 | 15 | 15 |
| 2017 | 20 | 10 |
| 2018 | 8 | 12 |
| 2019 | 14 | 16 |
| 2020 | 16 | 10 |
| 2021 | 7 | 20 |
| 2022 | 13 | 20 |
| 2023 | 12 | 7 |
| 2024 | 12 | 10 |
| 2025 | 9 | 4 |
| 2026 | 5 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Apparatus, method or computer program for synthesizing a spatially extended sound source using variance or covariance data29 Sep 2026US 12,750,625 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Virtual loudspeakers for acoustically opaque screens15 Sep 2026US 12,739,590 B2Holoplot GmbH
- Signal processing device, signal processing method, and program5 May 2026US 12,621,627 B2Sony Group Corporation
- Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using low-order, mid-order and high-order components generators10 Mar 2026US 12,574,700 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Acoustic transducer arrangement and method for operating an acoustic transducer arrangement6 Jan 2026US 12,520,094 B2Holoplot GmbH
- Information processing device, information processing method, and storage medium3 Sep 2026US 2026/0261814 A1Sony Group Corporation
- Emulating a larger virtual playback room within a smaller real-world playback room for audio playback13 Aug 2026US 2026/0238954 A1Holoplot GmbH
- Support system for sound converters9 Jul 2026US 2026/0197573 A1Holoplot GmbH
- Method for the direction-dependent correction of the frequency response of sound wavefronts25 Jun 2026US 2026/0181322 A1Holoplot GmbH
- Systems and methods for synchronized delivery of three dimensionional audio through a piezoelectric audio system integrated with a visual display2 Apr 2026US 2026/0095715 A1
Most cited
By later US patents
- Apparatus and method for controlling a plurality of speakers by means of a graphical user interface64US 8,189,824 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V. · 2012
- Apparatus and method for generating, storing, or editing an audio representation of an audio scene50US 7,680,288 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V. · 2010
- Method for controlling a speaker array to provide spatialized, localized, and binaural virtual surround sound48US 9,578,440 B2The Regents of the University of California · 2017
- Information processing system and storage medium43US 9,615,173 B2Sony Corporation · 2017
- System and method for adaptive audio signal generation, coding and rendering31US 9,179,236 B2Dolby Laboratories Licensing Corporation · 2015