G10H 2250/225
Mdct [modified discrete cosine transform], i.e. based on a dct of overlapping
Official title: MDCT [Modified discrete cosine transform], i.e. based on a DCT of overlapping data
G10H2250/225 (Mdct [modified discrete cosine transform], i.e. based on a dct of overlapping) appears on 14 US grants and 19 published applications in this corpus.
Search patents in G10H- Granted patents
- 14
- Published applications
- 19
- Assignees
- 18
- Inventors
- 56
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Computer-implemented method and device for generating frequency component vector of time-series data24 Jun 2025US 12,340,303 B2Yamaha Corporation
- Parameter determination device, method, program and recording medium for determining a parameter indicating a characteristic of sound signal30 Apr 2019US 10,276,186 B2Nippon Telegraph and Telephone Corporation
- Multi-structural, multi-level information formalization and structuring method, and associated apparatus27 Nov 2018US 10,140,305 B2General Harmonics International Inc.
- Methods for audio signal transient detection and decorrelation control28 Nov 2017US 9,830,917 B2Dolby Laboratories Licensing Corporation
- Enhanced chroma extraction from an audio codec4 Jul 2017US 9,697,840 B2Dolby International AB
- Methods and systems for determining compact semantic representations of digital audio signals28 Jul 2022US 2022/0238087 A1Moodagent A/S
- Computer-implemented method and device for generating frequency component vector of time-series data3 Jun 2021US 2021/0166128 A1Yamaha Corporation
- Parameter determination device, method, program and recording medium20 Sep 2018US 2018/0268843 A1Nippon Telegraph and Telephone Corporation
- Multi-structural, multi-level information formalization and structuring method, and associated apparatus2 Feb 2017US 2017/0031935 A1General Harmonics Corporation
- Audio signal processing methods and systems21 Jan 2016US 2016/0019878 A1
Most cited
By later US patents
- Audio recompression from higher rates for karaoke, video games, and other applications69US 5,974,387 AYamaha Corporation · 1999
- Method and apparatus for classifying mood of music at high speed53US 7,582,823 B2Samsung Electronics Co., Ltd. · 2009
- Method and system for extracting audio features from an encoded bitstream for audio classification17US 9,123,350 B2Panasonic Intellectual Property Management Co., Ltd. · 2015
- Enhanced chroma extraction from an audio codec11US 9,697,840 B2Dolby International AB · 2017
- Audiophile encoding of digital audio data using 2-bit polarity/magnitude indicator and 8-bit scale factor for each subband8US 6,463,405 B12002