Matched and equalized microphone output of automotive microphone systems
US12401958B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Dec 30, 2020 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | May 17, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vehicle microphone system may include at least two microphones forming a microphone array, at least one loudspeaker configured to emit audio signals. a processor coupled to a memory and programmed to receive incoming audio signals from the microphone array, determine at least one parameter for each channel of the microphone array, determine at least one filter to apply to at least one channel based on a difference between the parameters of each channel, and store the at least one filter in the memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.