NoisySoundLevelCompat
No arguments
Returns 0-32768 based on sound level. This function is now used to implement the AudioFlicker<> style, don't change it. returned value: INTEGER
SmoothSoundLevel, NoisySoundLevel, AudioFlicker
https://github.com/profezzorn/ProffieOS/blob/6f8add544c627172ad2dd698c90e5e55078a420a/functions/sound_level.h#L33