systemvolume

noun
UK /ˈsɪstəm ˈvɒljuːm/
US /ˈsɪstəm ˈvɑːljuːm/

The loudness level of all the sounds on a computer or device.

Please turn down the system volume so the music isn't too loud.


OTHER MEANINGS

2. The total amount of space taken up by a computer's storage system.

The system volume shows how much disk space is used.

3. A separate storage area on a computer that holds the operating system.

The technician repaired the system volume after the crash.

4. The combined loudness of every sound source in a room or setup.

The system volume of the home theater filled the whole house.