1. Open the Ubuntu terminal and enter alsamixer (do not ask where to input it. I want to stay for a few more years). 2. You can see that the system uses the system to adjust the sound volume. Maybe you don't know how to use it. 3. Start! Use the left and right arrow keys, select a project, and use the up and down keys to adjust the size. Generally, we need to adjust the three items: Master, PCM, and Front. Set all of them to the maximum. Open your player and listen to the sound.
1. Open the Ubuntu terminal and enter alsamixer (do not ask where to enter it. I want to live for several more years)
2. You can see that the system is used to adjust the sound volume. Maybe you don't know how to use it.
3. Start! Use the left and right arrow keys, select a project, and use the up and down keys to adjust the size.
Generally, we need to adjust the three items: Master, PCM, and Front. Set all of them to the maximum. Open your player and listen to the sound.