The audio quality changes after the Bluetooth earphones reconnect to the computer
Applicable products： HUAWEI MateStation S(锐龙版 amd r5/8gb/256 ssd/集显/有wifi/win11 home)，HUAWEI MateStation B515(amd r5+8gb+1tb hdd、amd r5+8gb*2+512 ssd、amd r5+8gb+256 ssd)
Applicable system: Windows 10
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The audio quality changes after the Bluetooth earphones reconnect to the computer

Problem

The user uses Bluetooth earphones to play music. They then disconnect the Bluetooth earphones and disable and enable Bluetooth again. After the Bluetooth earphones reconnect, there is a high possibility that the audio quality changes.

Cause

1. The sound quality change is caused by the difference between the sound quality of the voice protocol channel and that of the audio protocol channel.

2. The Bluetooth earphones automatically switch the audio channel.

Solution

  1. Change the audio channel manually.
  2. Reconnect the Bluetooth earphones again to see if this resolves the issue.
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