Method for use of a calibration system for calibration of a speakerphone system utilizing a separate calibration device
US10834513B1 · kind B1 · utility
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18Claims
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Key dates
| Filing date | Sep 16, 2019 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Sep 16, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R3/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for calibrating a speakerphone system under test is provided herein, comprising: connecting a calibration unit to the speakerphone system under test (SSUT) via a communications interface, and wherein the SSUT further comprises a loudspeaker, microphone (mic), and mechanical vibration sensor (MVS); generating a first test signal by the calibration unit and transmitting the same to the SSUT; generating a first set of mechanical vibrations in response to the first test signal in the SSUT; and determining a calibration factor in regard to the first test signal and first set of mechanical vibrations by the calibration unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.