Earphone and heart rate detection method
A headphone and heart rate technology, applied in earpiece/headphone accessories, headphone mechanical/electronic switches, sensors, etc., can solve problems such as unsatisfactory airtightness, difficulty in collecting microphones, weak pressure changes, etc.
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[0021] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0022] In the existing heart rate detection technology of earphones, the microphone is usually placed directly in the earphone at the position facing the ear canal to collect the pressure change information in the ear cavity caused by the vibration of the eardrum. The matching effect is not necessarily very tight, and the airtightness of the space surrounded by the earphone shell and the ear canal wall is not ideal, so the pressure change information collected by the microphone in this space is relatively weak, and it is difficult to detect the heart rate; and because the earphone shell The airtightness of the space surrounded by the ear canal wall is poor, so that the microphone located in this space will also be interfered by external...
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