新安装的Manjaro系统(18.0.4),可以连接蓝牙音响设备,但是默认输出音质较差,使用品质较低的设备不易察觉到,但是使用稍微好一些的音响设备,音质会受到明显的影响。
有些情况下,新安装的系统缺少必要的软件包,可以连接蓝牙音箱,但是没有选择输出设备的选项,记录两种可以解决这个问题的方法:
1、安装Blueman,使用Blueman连接设备。
2、Manjaro(Gnome)系统安装pulseaudio-module,重启系统之后,在音频输出设备选项中可以选择连接到电脑的音箱。
到此为止,系统可以通过蓝牙音响输出音频,但是默认音质较低,需要进行设置,以选择高品音质输出。
sudo pacman -Sy bluez bluexz-utils
sudo pacman -Sy blueman
sudo systemctl status bluetooth
sudo systemctl start bluetooth
sudo systemctl enable bluetooth
完成之后,系统中会新建一个蓝牙的配置文件:
edit /etc/bluetooth/main.conf
sudo nano /etc/bluetooth/main.conf
add the following lines under the [General] tag (copied from audio.conf, I found searching for a solution):

# Automatically connect both A2DP and HFP/HSP profiles for incoming
# connections. Some headsets that support both profiles will only connect the
# other one automatically so the default setting of true is usually a good
# idea.
AutoConnect=true

Next you must enable support for multiple profiles (a few lines below) just uncomment and set value to multiple

MultiProfile = multiple
Then restart bluetooth service

sudo systemctl restart bluetooth

Important: you will have to restart bluetooth before each reconnection !

 

https://askubuntu.com/questions/676853/bluetooth-headset-with-poor-sound-quality-on-ubuntu

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