G10H 2250/601
Compressed representations of spectral envelopes
Official title: Compressed representations of spectral envelopes, e.g. LPC [linear predictive coding], LAR [log area ratios], LSP [line spectral pairs], reflection coefficients
G10H2250/601 (Compressed representations of spectral envelopes) appears on 30 US grants and 15 published applications in this corpus.
Search patents in G10H- Granted patents
- 30
- Published applications
- 15
- Assignees
- 11
- Inventors
- 44
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Apparatus for generating, recording or reproducing sound source data95US 5,086,475 ASony Corporation · 1992
- Electronic apparatus for simulating singing of song61US 4,731,847 ATexas Instruments Incorporated · 1988
- Musical tone generating apparatus with reduced data storage requirements41US 4,916,996 AYamaha Corporation · 1990
- Signal processing method and sound source data forming apparatus21US 5,430,241 ASony Corporation · 1995
- Signal processing method and sound source data forming apparatus15US 5,519,166 ASony Corporation · 1996