Npc Turn Off Talking/Speech/Sounds

Hello, i have a question its possible to disable all sound effect from npc/ped or entity ? i try searching for the function but nothing i found i want disable npc talking because i set npc to invisible but npc still talking.

use:
StopPedSpeaking(ped,true)
DisablePedPainAudio(ped, true)

i tryed it and its dont help ped still talking, i mean animal “pig” he still make sounds.

SetAmbientVoiceName(npc, “kerry”)

use this as well

doesnt work