How do I make the sounds volume works?

I want to decrease the volume of my sounds, but i am not able to make this, how i can to do it?

The sound is too loud.

Hello,

The volume is given in decibels (dB). A volume of 0 dB is original volume, and below 0 dB attenuates the sound. For example, entering a value of -10 plays the audio back 10 dB quieter (about half as loud).

I like to use the following formula

20*log10((VolumeSFX/10)*(VolumeMaster/10))

Where VolumeSFX is for game sound effects and VolumeMaster is for the master game volume.

You can also use the following for game music.

20*log10((VolumeMusic/10)*(VolumeMaster/10))

Let it also be noted, that VolumeMaster is a variable that is changeable, as is VolumeSFX or VolumeMusic. I like using a slider or (+) or (-) buttons, instead of just inputting the value.