H04S 7/30
Control circuits for electronic adaptation of the sound field
Official title: {Control circuits for electronic adaptation of the sound field}
H04S7/30 (Control circuits for electronic adaptation of the sound field) appears on 7,370 US grants and 9,065 published applications in this corpus.
Search patents in H04S- Granted patents
- 7,370
- Published applications
- 9,065
- Assignees
- 1,415
- Inventors
- 9,717
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 16 | 0 |
| 1998 | 20 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 16 |
| 2002 | 10 | 34 |
| 2003 | 13 | 42 |
| 2004 | 24 | 45 |
| 2005 | 25 | 91 |
| 2006 | 40 | 98 |
| 2007 | 30 | 101 |
| 2008 | 37 | 130 |
| 2009 | 43 | 119 |
| 2010 | 64 | 122 |
| 2011 | 85 | 155 |
| 2012 | 154 | 169 |
| 2013 | 113 | 182 |
| 2014 | 139 | 237 |
| 2015 | 207 | 349 |
| 2016 | 288 | 413 |
| 2017 | 456 | 475 |
| 2018 | 544 | 592 |
| 2019 | 641 | 660 |
| 2020 | 694 | 669 |
| 2021 | 598 | 740 |
| 2022 | 612 | 728 |
| 2023 | 639 | 795 |
| 2024 | 677 | 830 |
| 2025 | 673 | 714 |
| 2026 | 388 | 559 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04S 7/302Electronic adaptation of stereophonic sound system to listener position or orientation4,075
- H04S 7/301Automatic calibration of stereophonic sound system1,350
- H04S 7/305Electronic adaptation of stereophonic audio signals to reverberation of the listening space1,161
- H04S 7/307Frequency adjustment1,067
- H04S 7/308Electronic adaptation dependent on speaker or headphone connection423
Recent patents
- Signaling for rendering tools6 Oct 2026US 12,755,744 B2QUALCOMM Incorporated
- Method and apparatus for estimating spatial content of soundfield at desired location6 Oct 2026US 12,756,978 B2
- Visualization and customization of sound space6 Oct 2026US 12,756,984 B2Meta Platforms Technologies, LLC
- Audio playing method and related apparatus6 Oct 2026US 12,756,985 B2Huawei Technologies Co., Ltd.
- Colorless generation of elevation perceptual cues using all-pass filter networks6 Oct 2026US 12,756,986 B2Boomcloud 360, Inc.
- A method, device, system, and software for a computer-implemented method for playback of game audio by use of representative audio objects at runtime8 Oct 2026US 2026/0306950 A1Dolby Laboratories Licensing Corporation
- Method and device for decoding an audio soundfield representation8 Oct 2026US 2026/0311709 A1Dolby Laboratories Licensing Corporation
- Performing common audio convolutions using iso-trajectories in three dimensional (3d) space8 Oct 2026US 2026/0313308 A1Google Inc.
- Virtual sound sources and rendering techniques8 Oct 2026US 2026/0313309 A1Dolby International AB
- Audio Scene Description and Control8 Oct 2026US 2026/0313310 A1Apple Inc.
Most cited
By later US patents
- Unification of multimedia devices1,620US 7,987,294 B2Altec Lansing Australia Pty Limited · 2011
- System and method for calibration of an acoustic system1,614US 7,630,501 B2Microsoft Corporation · 2009
- User interfaces for controlling and manipulating groupings in a multi-zone media system670US 8,290,603 B1Sonos, Inc. · 2012
- Shaping sound responsive to speaker orientation476US 9,042,556 B2Sonos, Inc. · 2015
- Distributed wireless speaker system with automatic configuration determination when new speakers are added400US 9,288,597 B2Sony Corporation · 2016