G11B 2020/00065
Sigma-delta audio encoding
Official title: {Sigma-delta audio encoding}
G11B2020/00065 (Sigma-delta audio encoding) appears on 50 US grants and 32 published applications in this corpus.
Search patents in G11B- Granted patents
- 50
- Published applications
- 32
- Assignees
- 19
- Inventors
- 64
- Latest grant
- 9 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 4 | 4 |
| 2003 | 2 | 4 |
| 2004 | 6 | 4 |
| 2005 | 2 | 3 |
| 2006 | 5 | 2 |
| 2007 | 3 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 3 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 3 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Signal processing apparatus and signal processing method9 Feb 2021US 10,917,108 B2Sony Corporation
- Signal modulation circuit10 Oct 2017US 9,787,319 B2Onkyo Corporation
- Signal processing device, signal processing method, and computer program7 Mar 2017US 9,589,591 B2Sony Corporation
- Audio output device1 Nov 2016US 9,485,577 B2Rohm Co., Ltd.
- Signal modulation circuit24 May 2016US 9,350,378 B2Onkyo Corporation
- Signal processing apparatus, signal processing method, and program2 Jul 2020US 2020/0212930 A1Sony Corporation
- Signal modulation circuit18 Aug 2016US 2016/0241256 A1Onkyo Corporation
- Signal processing device, signal processing method, and computer program21 May 2015US 2015/0142455 A1Sony Corporation
- Signal modulation circuit11 Dec 2014US 2014/0363032 A1Onkyo Corporation
- Digital signal processor with search function4 Dec 2014US 2014/0355788 A1TEAC Corporation
Most cited
By later US patents
- Digital data converter166US 5,155,743 ANuance DesignWorks, Inc. · 1992
- Embedding supplemental data in an encoded signal, such as audio / video watermarks62US 6,157,330 AU. S. Philips Corporation · 2000
- Embedding supplemental data in an information signal52US 6,507,299 B1Koninklijke Philips Electronics N. V. · 2003
- Apparatus and method for reproducing information data of different formats from a multi-layer optical disc27US 6,141,299 ASony Corporation · 2000
- Data compression and expansion of an audio signal24US 6,269,338 B1U. S. Philips Corporation · 2001