Method and device for encoding and decoding audio signal
US9881624B2 · kind B2 · utility
9Cited by
4References
14Claims
0Family size
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Key dates
| Filing date | May 15, 2013 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | May 15, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2019/0002
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method is provided. The method includes obtaining a low-band spectrum of an audio signal in which a low-band signal is frequency transformed; obtaining phase information of a high-band spectrum of the audio signal based on the low-band spectrum; and outputting a bitstream that comprises the phase information of the high-band spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.