Signal processing device
US9553554B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2012 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Sep 11, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R29/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A signal processing device includes an excessive input estimating unit that estimates excessive input of a target signal, a controller that calculates frequency characteristics which will lessen the excessive input of the target signal from the excessive input information estimated by the excessive input estimating unit, and a frequency characteristic modification unit that modifies the frequency characteristics of the target signal in accordance with the frequency characteristics the controller calculates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.