H04S 7/305
Electronic adaptation of stereophonic audio signals to reverberation of the listening space
Official title: {Electronic adaptation of stereophonic audio signals to reverberation of the listening space (H04S7/301 takes precedence)}
H04S7/305 (Electronic adaptation of stereophonic audio signals to reverberation of the listening space) appears on 1,161 US grants and 1,373 published applications in this corpus.
Search patents in H04S- Granted patents
- 1,161
- Published applications
- 1,373
- Assignees
- 345
- Inventors
- 1,810
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 4 |
| 2003 | 1 | 8 |
| 2004 | 7 | 9 |
| 2005 | 4 | 14 |
| 2006 | 7 | 10 |
| 2007 | 3 | 13 |
| 2008 | 2 | 12 |
| 2009 | 7 | 16 |
| 2010 | 8 | 12 |
| 2011 | 11 | 19 |
| 2012 | 18 | 23 |
| 2013 | 11 | 24 |
| 2014 | 21 | 23 |
| 2015 | 31 | 33 |
| 2016 | 45 | 64 |
| 2017 | 63 | 69 |
| 2018 | 84 | 83 |
| 2019 | 110 | 109 |
| 2020 | 126 | 105 |
| 2021 | 88 | 127 |
| 2022 | 91 | 87 |
| 2023 | 96 | 124 |
| 2024 | 105 | 135 |
| 2025 | 109 | 150 |
| 2026 | 54 | 98 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for estimating parameters6 Oct 2026US 12,756,987 B2Apple Inc.
- Minimizing echo caused by stereo audio via position-sensitive acoustic echo cancellation29 Sep 2026US 12,750,633 B2Google Inc.
- Techniques for outputting audio through a plurality of drivers within a same audio output device29 Sep 2026US 12,750,634 B2Harman International Industries, Incorporated
- Playback device calibration based on representative spectral characteristics15 Sep 2026US 12,737,152 B2Sonos, Inc.
- Virtual loudspeakers for acoustically opaque screens15 Sep 2026US 12,739,590 B2Holoplot GmbH
- 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
- Spatial Audio Representation and Rendering8 Oct 2026US 2026/0313312 A1Nokia Technologies Oy
- Loudspeaker Control in a Plurality of Frequency Bands1 Oct 2026US 2026/0304063 A1Audioscenic Limited
- Electronic device for providing audio service, and operating method thereof10 Sep 2026US 2026/0270618 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Spatial processing stereo system343US 8,126,172 B2Harman International Industries, Incorporated · 2012
- Sound system remote control with acoustic sensor257US 5,386,478 AHarman International Industries, Incorporated · 1995
- Audio panning with multi-channel surround sound decoding234US 8,767,970 B2Apple Inc. · 2014
- Compensating filters232US 6,760,451 B12004
- Speakers with a digital signal processor210US 8,401,202 B2KSC Industries, Inc. · 2013