'Trumpet' in the Bible

And it cometh to pass, on the third day, while it is morning, that there are voices, and lightnings, and a heavy cloud, on the mount, and the sound of a trumpet very strong; and all the people who are in the camp do tremble.

and the sound of the trumpet is going on, and very strong; Moses speaketh, and God doth answer him with a voice.

And all the people are seeing the voices, and the flames, and the sound of the trumpet, and the mount smoking; and the people see, and move, and stand afar off,