It will customize your speakers volume automatically. Speaker Locker is an application that enables you to keep control of your speakers volume automatically. Imagine that you want to listen to music quietly early in the morning and watch movies very loudly in noisy environment in the day time and listen something in middle of sound in evening and mute volume in night because others are sleeping, then this is a good choice for you.
How to use? Type the range of hours that when you want to control by this app and set volume level for that ranges and press hide, that's it. This software can start with windows (Minimized to tray / hidden). Must type hours in 24 clock format. Can keep totally muted the volume at any given time period. When In the middle of a range of hours, you can't change volume from your system controls or other applications controls. If you try, volume will reset to this application's according volume level at that time immediately. So other applications will not be able to change system volume. Then you will always get the correct sound level that you want in that time.