Signal bandwidth extension apparatus
US8244547B2 · kind B2 · utility
12Cited by
3References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2009 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Oct 7, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L21/038
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A signal bandwidth extension apparatus includes a determination unit which determines whether or not a peak component of the input signal is lacked in the band to be extended, and a control unit which controls to extend the bandwidth when the determination unit determines that the peak component of the input signal is lacked in the band to be extended, and not to extend the bandwidth when the determination unit determines that the peak component is not lacked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.