Sub-band adaptive signal processing in an oversampled filterbank
US7110554B2 · kind B2 · utility
49Cited by
6References
20Claims
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Key dates
| Filing date | Aug 7, 2002 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Oct 15, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2021/0096
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An adaptive signal processing system for improving a quality of a signal. The system includes an analysis filterbank for transforming a primary information signal in time domain into oversampled sub-band primary signals in frequency domain and an analysis filterbank for transforming a reference signal in time domain into oversampled sub-band reference signals. Sub-band processing circuits process the signals output from the filterbanks to improve a quality of an output signal. A synthesis filterbank can combine the outputs of the sub-band processing circuits to generate the output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.