Audio signal encoding method and audio signal decoding method, and encoder and decoder performing the same
US11276413B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Aug 16, 2019 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Sep 26, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/167
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are an audio signal encoding method and audio signal decoding method, and an encoder and decoder performing the same. The audio signal encoding method includes applying an audio signal to a training model including N autoencoders provided in a cascade structure, encoding an output result derived through the training model, and generating a bitstream with respect to the audio signal based on the encoded output result.
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