CSS voice-volume Speech Media property

Adjust the relative volume level using the voice-volume CSS property.

The following is the syntax:

voice-volume: [x-soft | soft | medium | loud | x-loud]

The following is a code snippet for the voice-volume speech media property:

p {
   voice-volume: soft;
}

You can also set the volume in decibals

p {
   voice-volume: 2dB;
}

Set both the voice-volume media property and volume level in decibals :

p {
   voice-volume: medium 3dB;
}