Sound Lock is described as 'deals with the problem many people encounter while watching late night movies or TV shows on their PC – sudden loud noises' and is an app in the audio & music category. There are four alternatives to Sound Lock for Windows and Windows S. The best alternative is EarTrumpet, which is both free and Open Source. Other great apps like Sound Lock are Volume2, WALE and Speaker Locker.
Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control. This application lets you easily change the sound volume just by rotating the mouse wheel or by using keyboard hot keys or just mouse move on screen border.
Speaker Locker is a system utility for Windows which allows you to automate system volume changes up to 5 periods of a day, in various different lengths, can be programmed to have different volume settings applied to them automatically.