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US 12,707,199 B2Granted
Filtering architecture with minimized transients
AssigneeInfineon Technologies AG
InventorsDietmar Straeussnigg, Simon Grünberger, Mario Grgic
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Abstract
A digital microphone includes a logarithmic amplifier; an analog-to-digital converter (ADC) coupled to the logarithmic amplifier; a digital decompression component coupled to the ADC; and a digital filter coupled to the digital decompression component, wherein the digital filter includes a controlled upsampling component coupled to an input of the digital filter and a controlled downsampling component coupled to an output of the digital filter.
Claims10
A digital microphone comprising:
- a logarithmic amplifier;
- an analog-to-digital converter (ADC) coupled to the logarithmic amplifier;
- a digital decompression component coupled to the ADC;
- and
- a digital filter coupled to the digital decompression component, wherein the digital filter comprises a controlled upsampling component coupled to an input of the digital filter and a controlled downsampling component coupled to an output of the digital filter.
2 more elements
Dependencies are inferred from the claim text.