Function mute

mute(sound_name: string, id?: number, mute?: boolean): void
mute or unmute the specified sound, but does not pause the playback.
Parameters
- sound_name: string
  audio clip name - case sensitive
- Optionalid: number
  the sound instance ID. If none is passed, all sounds in group will mute.
- Optionalmute: boolean = true
  True to mute and false to unmute
Returns void
Example
```
// mute the background music
me.audio.mute("awesome_music");
```
- Defined in packages/melonjs/src/audio/audio.js:512