A wireless earphone that interacts with an earphone box
A technology for wireless earphones and earphone boxes, which is applied in earpiece/headphone accessories, earphones to reduce environmental noise, signal processing, etc., and can solve problems such as losing the left ear, system failure to reset, and losing the earphone box, etc., to achieve fast response speed, Good user experience and fast system response
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[0044] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0045] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0046] 1. Related background technology
[0047] 1. Explanation of abbreviations
[0048] TWS(True Wireless Stereo), True Wireless Stereo
[0049] BLE(Bluetooth Low Energy), Bluetooth Low Energy
[0050] ANC (Active noise cancellation), active noise reduction, 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 (inverting the noise 180 degrees, and then the spe...
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