H04R 2227/007
Electronic adaptation of audio signals to reverberation of the listening space for
Official title: Electronic adaptation of audio signals to reverberation of the listening space for PA
H04R2227/007 (Electronic adaptation of audio signals to reverberation of the listening space for) appears on 147 US grants and 163 published applications in this corpus.
Search patents in H04R- Granted patents
- 147
- Published applications
- 163
- Assignees
- 78
- Inventors
- 233
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 2 | 7 |
| 2016 | 8 | 10 |
| 2017 | 13 | 14 |
| 2018 | 13 | 9 |
| 2019 | 14 | 12 |
| 2020 | 16 | 15 |
| 2021 | 12 | 16 |
| 2022 | 12 | 11 |
| 2023 | 12 | 15 |
| 2024 | 14 | 15 |
| 2025 | 11 | 13 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Speakerphone with room acoustics characterization and related methods6 Oct 2026US 12,756,775 B2
- Playback device calibration based on representative spectral characteristics15 Sep 2026US 12,737,152 B2Sonos, Inc.
- Apparatus, system and/or method for device localization and optimization utilizing a predetermined audible signal1 Sep 2026US 12,726,786 B2Harman International Industries, Incorporated
- Apparatus, method, and computer program for adjusting noise control processing28 Apr 2026US 12,615,488 B2Nokia Technology GmbH
- De-mixing a composite audio program for playback within a venue21 Apr 2026US 12,610,204 B2Sphere Entertainment Group, LLC
- De-mixing a composite audio program for playback within a venue6 Aug 2026US 2026/0230766 A1Sphere Entertainment Group, LLC
- Playback Device Self-Calibration Using PCA-Based Room Response Estimation2 Jul 2026US 2026/0189869 A1Sonos, Inc.
- Re-mixing a composite audio program for playback within a real-world venue18 Jun 2026US 2026/0172769 A1Sphere Entertainment Group, LLC
- Method and system for acoustic communication of data14 May 2026US 2026/0135949 A1Sonos Experience Limited
- Audio system and method14 May 2026US 2026/0136145 A1Harman Professional, Inc.
Most cited
By later US patents
- Clock synchronization for multichannel system206US 9,472,203 B1Amazon Technologies, Inc. · 2016
- Playback device calibration based on representation spectral characteristics106US 9,864,574 B2Sonos, Inc. · 2018
- Speaker calibration user interface97US 9,690,539 B2Sonos, Inc. · 2017
- Playback device calibration87US 10,299,061 B1Sonos, Inc. · 2019
- Playback device calibration based on representative spectral characteristics76US 10,402,154 B2Sonos, Inc. · 2019