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Bluetooth Headset Works
Nov 06, 2018

The working principle of the Bluetooth headset can be roughly divided into four steps as shown in the figure:


1. The decoding chip in the mobile phone decodes the music file such as MP3, generates a digital signal and sends it to the Bluetooth headset through Bluetooth;


2. The Bluetooth headset receives the digital signal and converts it into an analog signal that the adult ear can understand through the digital-to-analog conversion chip inside the Bluetooth headset;


3. To amplify the analog signal, a signal amplification chip inside the earphone is needed;


4. The earphone unit receives the amplified signal and makes a sound, and the ear hears the music

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