Bass enhancement for loudspeakers
US12101613B2 · kind B2 · utility
0Cited by
9References
18Claims
0Family size
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Key dates
| Filing date | Mar 19, 2021 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Jul 4, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of audio processing includes generating harmonics in a hybrid complex quadrature mirror filter domain. Generating the harmonics may include multiplication, using a feedback delay loop, and dynamic compression. The harmonics may be generated based on one or more hybrid sub-bands of the complex transform domain signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.