H04S 2400/09
Electronic reduction of distortion of stereophonic sound systems
H04S2400/09 (Electronic reduction of distortion of stereophonic sound systems) appears on 108 US grants and 129 published applications in this corpus.
Search patents in H04S- Granted patents
- 108
- Published applications
- 129
- Assignees
- 89
- Inventors
- 279
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 7 |
| 2010 | 1 | 3 |
| 2011 | 4 | 1 |
| 2012 | 1 | 4 |
| 2013 | 3 | 5 |
| 2014 | 3 | 5 |
| 2015 | 6 | 7 |
| 2016 | 7 | 19 |
| 2017 | 15 | 12 |
| 2018 | 14 | 10 |
| 2019 | 7 | 5 |
| 2020 | 11 | 5 |
| 2021 | 3 | 3 |
| 2022 | 7 | 10 |
| 2023 | 5 | 5 |
| 2024 | 5 | 9 |
| 2025 | 7 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for decorrelating a set of simulated audio signals8 Sep 2026US 12,732,772 B2Interactive Entertainment Corp.
- Method for processing audio input data and a device thereof11 Aug 2026US 12,707,227 B2Gn Audio A/S
- Method for generating a conversion filter for converting a multidimensional output audio signal into a two-dimensional audio signal for listening17 Mar 2026US 12,581,259 B2atmoky GmbH
- Computer-readable non-transitory storage medium having information processing program stored therein, information processing method. information processing system, and information processing apparatus16 Dec 2025US 12,501,228 B2Nintendo Co., Ltd.
- Method and device for processing spatialized audio signals2 Dec 2025US 12,490,044 B2Gn Audio A/S
- System and Method for Improved Processing of Stereo or Binaural Audio11 Jun 2026US 2026/0164214 A1
- Audio Capability Discovery30 Apr 2026US 2026/0122440 A1Dell Products L. P.
- Removal of spatial artifacts from audio12 Feb 2026US 2026/0046578 A1Google Inc.
- Spatial aliasing reduction for multi-speaker channels22 Jan 2026US 2026/0025629 A1Google Inc.
- Acoustic crosstalk cancellation based upon user position and orientation within an environment3 Jul 2025US 2025/0220345 A1Harman International Industries, Incorporated
Most cited
By later US patents
- System and method for automatic multiple listener room acoustic correction with low filter orders176US 8,005,228 B2Audyssey Laboratories, Inc. · 2011
- System and method for automatic multiple listener room acoustic correction with low filter orders36US 7,567,675 B2Audyssey Laboratories, Inc. · 2009
- Parametric audio system29US 7,391,872 B22008
- Supersonic signal linearizes loudspeaker operation20US 4,074,070 ABraun GmbH · 1978
- Audio system18US 6,519,344 B1Pioneer Corporation · 2003