Wireless earphone establishing interaction with earphone box
A wireless earphone and earphone box technology, applied in earphone/earphone accessories, earphones to reduce environmental noise, signal processing, etc., can solve the problems of the system cannot be reset, lost the left ear, lost the earphone box, etc., to achieve a good user experience, The effect of fast system response and fast response speed
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[0044] All the features disclosed in this specification, or all disclosed methods or steps in the process, except for mutually exclusive features and / or steps, can be combined in any manner.
[0045] Any feature disclosed in this specification, unless specifically stated, can be replaced by other equivalent or equivalent alternative features. That is, unless otherwise stated, each feature is just one example of a series of equivalent or similar features.
[0046] 1. Related background technology
[0047] 1. Description of abbreviated terms
[0048] TWS (True Wireless Stereo), true wireless stereo
[0049] BLE (Bluetooth Low Energy), Bluetooth low energy
[0050] ANC (Active noise cancellation), active noise cancellation, the principle is based on PualLueg's feedforward active noise cancellation system (such as figure 1 , 2 ), the microphone detects the noise signal and undergoes electrical signal processing (the noise is 180 degrees inverted, and then the speaker outputs). At this time...
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