Method for dynamically adjusting weighting values to equalize input signal to generate equalizer output signal and associated parametric equalizer
US11387800B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 12, 2021 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | May 12, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A parametric equalizer includes a first parametric equalizer circuit, a second parametric equalizer circuit, a first multiplication circuit, a second multiplication circuit, an addition circuit, and a weighting control circuit. The first parametric equalizer circuit processes an input signal to output a first output signal. The second parametric equalizer circuit processes the input signal to output a second output signal. The first multiplication circuit multiplies the first output signal and a first weighting value to generate a first adjusted output signal. The second multiplication circuit multiplies the second output signal and a second weighting value to generate a second adjusted output signal. The addition circuit combines the first adjusted output signal and the second adjusted output signal to generate an equalizer output signal. The weighting control circuit dynamically adjusts the first weighting value and the second weighting value according to the equalizer output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.