Power efficiency in an audio playback path
US11411543B2 · kind B2 · utility
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4References
20Claims
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Key dates
| Filing date | Sep 24, 2020 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Sep 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/3089
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for circuit configurations that maintain audio playback performance while reducing power consumption. In particular, a gain for a current analog-to-digital converter in an audio playback path is adjusted based on an amplitude of the input signal. Additionally, systems and methods are provided for transitioning between a modes of operation for large signals and mode of operation for small signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.