Adjust the volume using the mouse wheel

Question

Please tell me how can I adjust the volume control with the help of Ctrl + Scroll up / Ctrl + Scroll down? Need a solution that would use NotifyOSD.

Answer 1

I am not sure you can do this system-wide, but Ubuntu supports adjusting the volume with the mouse wheel if you hover over the volume icon and then scroll the wheel up or down.

Answer 2

This is possible using instant gestures in Easystroke Gesture Recognition. Define the following buttons in Preferences ▸ Behavior ▸ Additional Buttons:

and the following actions in the Actions tab:

The commands I've shown change the volume without displaying a notification. Watch this question for better alternatives.