Calibration method and system of solid sound sensitive acceleration sensor and correction method of measurement signal of solid sound sensitive acceleration sensor
An acceleration sensor and a technology for measuring signals, which are used in the field of calibrating the measurement signal of a solid-borne sound-sensitive acceleration sensor, a system for calibrating a solid-borne sound-sensitive accelerometer, and the field of calibrating a solid-borne sound-sensitive accelerometer, which can solve problems such as performance fluctuations
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[0036] figure 1 A schematic block diagram of a system 1 for calibrating a structure-borne sound-sensitive acceleration sensor 4 is shown. During the calibration process, the structure-borne sound-sensitive accelerometer is located in a defined position on the user's body. For example, the solid-borne sound-sensitive acceleration sensor 4 is integrated into an earphone that is worn by the user during calibration.
[0037] The system 1 includes a microphone 2, which can be integrated into a smartphone, for example. However, the microphone 2 and the structure-borne sound-sensitive acceleration sensor 4 can also be integrated into the same device, for example into a headset with microphone function.
[0038] The microphone 2 is preferably configured for detecting frequencies in the frequency domain that are sufficiently large, preferably greater than 2.5 kHz.
[0039] The microphone 2 is synchronized with the acceleration sensor 4 . When the acceleration sensor 4 detects the a...
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