Method for calibrating a microphone and microphone
US10356525B2 · kind B2 · utility
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4References
18Claims
0Family size
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Key dates
| Filing date | Mar 13, 2017 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Mar 13, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for calibrating a microphone that includes a transducer element and an ASIC. The method includes calibrating the frequency characteristic of the ASIC such that the sensitivity (Smic(fLLF)) of the microphone at a predetermined cutoff frequency (fLLF) shows a predefined reduction (Δ) compared to the sensitivity (Smic(fstandard)) of the microphone at a standard frequency (fstandard). Another aspect of the present invention concerns a microphone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.