'Sound' in the Bible

Now Gehazi went on ahead of them. He placed the staff on the child's face, but there was no sound or response. When he came back to Elisha he told him, "The child did not wake up."

The Lord had caused the Syrian camp to hear the sound of chariots and horses and a large army. Then they said to one another, "Look, the king of Israel has paid the kings of the Hittites and Egypt to attack us!"