H04S 5/005
Pseudo-stereo systems: of the pseudo five- or more-channel type
Official title: {of the pseudo five- or more-channel type, e.g. virtual surround}
H04S5/005 (Pseudo-stereo systems: of the pseudo five- or more-channel type) appears on 487 US grants and 499 published applications in this corpus.
Search patents in H04S- Granted patents
- 487
- Published applications
- 499
- Assignees
- 171
- Inventors
- 649
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 7 |
| 2004 | 4 | 4 |
| 2005 | 3 | 11 |
| 2006 | 2 | 8 |
| 2007 | 7 | 31 |
| 2008 | 5 | 18 |
| 2009 | 3 | 11 |
| 2010 | 21 | 7 |
| 2011 | 20 | 9 |
| 2012 | 15 | 18 |
| 2013 | 10 | 10 |
| 2014 | 13 | 30 |
| 2015 | 12 | 29 |
| 2016 | 29 | 41 |
| 2017 | 52 | 38 |
| 2018 | 48 | 44 |
| 2019 | 50 | 36 |
| 2020 | 27 | 25 |
| 2021 | 29 | 23 |
| 2022 | 20 | 23 |
| 2023 | 22 | 20 |
| 2024 | 22 | 19 |
| 2025 | 23 | 24 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Upmixing systems and methods for extending stereo signals to multi-channel formats15 Sep 2026US 12,739,583 B2Zynaptiq GmbH
- Audio signal processing method25 Aug 2026US 12,720,273 B2Areal BV
- Virtualizer for binaural audio26 May 2026US 12,641,388 B2Dolby Laboratories Licensing Corporation
- Generating channel and object-based audio from channel-based audio21 Apr 2026US 12,610,206 B2Dolby International AB
- Sound processing apparatus and sound processing system17 Mar 2026US 12,581,260 B2Sony Group Corporation
- Audio output system of 3D sound by selectively controlling sound source17 Sep 2026US 2026/0281650 A1
- Method for multichannel audio reconstruction and speaker system using the method20 Aug 2026US 2026/0247090 A1Harman International Industries, Incorporated
- Methods and apparatus for rendering audio objects20 Aug 2026US 2026/0247091 A1Dolby International AB
- Improving audio rendering by extracting a frequency band18 Jun 2026US 2026/0172774 A1Sagemcom Broadband SAS
- Audio device and portable device14 May 2026US 2026/0136146 A1Alps Alpine Co., Ltd.
Most cited
By later US patents
- Spatial processing stereo system343US 8,126,172 B2Harman International Industries, Incorporated · 2012
- Audio signal processing318US 7,490,044 B2Bose Corporation · 2009
- Systems and methods of generating control signals250US 7,231,060 B2Color Kinetics Incorporated · 2007
- Three-dimensional sound creation assisted by visual information238US 6,829,018 B2Koninklijke Philips Electronics N. V. · 2004
- Digital wireless premises audio system and method of operation thereof210US 6,684,060 B1Agere Systems Inc. · 2004