'Loud' in the Bible

Lift up a signal banner on the bare mountain,Summon them [the Medes and Persians] with a loud voice,Wave the [beckoning] hand so that they may enter the doorways of the [Babylonian] nobles.

Then the Rabshakeh stood and called out with a loud voice in Judean (Hebrew): “Hear the words of the great king, the king of Assyria.