Digital non-linearity compensation in a silicon microphone
US12170874B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
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Key dates
| Filing date | Feb 18, 2022 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Jun 1, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
According to an embodiment, a digital microphone includes an analog-to-digital converter (ADC) for receiving an analog input signal; a DC blocker component coupled to the ADC; a digital low pass filter coupled to the DC block component; and a nonlinear compensation component coupled to the digital low pass filter for providing a digital output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.