H04S 2420/07
Synergistic effects of band splitting and sub-band processing
H04S2420/07 (Synergistic effects of band splitting and sub-band processing) appears on 523 US grants and 634 published applications in this corpus.
Search patents in H04S- Granted patents
- 523
- Published applications
- 634
- Assignees
- 188
- Inventors
- 760
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 5 |
| 2007 | 1 | 28 |
| 2008 | 1 | 10 |
| 2009 | 1 | 16 |
| 2010 | 17 | 17 |
| 2011 | 11 | 22 |
| 2012 | 22 | 22 |
| 2013 | 13 | 14 |
| 2014 | 15 | 19 |
| 2015 | 24 | 24 |
| 2016 | 25 | 57 |
| 2017 | 54 | 45 |
| 2018 | 46 | 41 |
| 2019 | 50 | 40 |
| 2020 | 47 | 43 |
| 2021 | 32 | 40 |
| 2022 | 37 | 42 |
| 2023 | 30 | 46 |
| 2024 | 32 | 35 |
| 2025 | 38 | 34 |
| 2026 | 19 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Audio signal processing method25 Aug 2026US 12,720,273 B2Areal BV
- Processing of microphone signals for spatial playback11 Aug 2026US 12,707,197 B2Dolby Laboratories Licensing Corporation
- Apparatus and method for narrowband direction- of-arrival estimation4 Aug 2026US 12,701,355 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal1 Oct 2026US 2026/0301751 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Filterbank Pitchshifter24 Sep 2026US 2026/0292437 A1Eventide Inc.
- Seat-dependent audio ducking10 Sep 2026US 2026/0270643 A1Analog Devices International Unlimited Company
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- System and method for audio diffusor20 Aug 2026US 2026/0247099 A1Spotify AB
Most cited
By later US patents
- Adaptive room equalization using a speaker and a handheld listening device150US 9,538,308 B2Apple Inc. · 2017
- Playback device configuration based on proximity detection129US 9,743,208 B2Sonos, Inc. · 2017
- Playback device configuration based on proximity detection97US 9,264,839 B2Sonos, Inc. · 2016
- Facilitating calibration of an audio playback device79US 10,127,006 B2Sonos, Inc. · 2018
- Stereo enhancement system67US 5,661,808 ASRS Labs, Inc. · 1997