Waxed louder and louder; Heb. went on, or increased and grew very strong, or vehement, or loud. This is opposed to the sounding long, Exo_19:13.
God answered him by a voice, i.e. by plain, distinct, and audible words, as Psa_81:7Joh_12:29, so as the people also might hear, as appears from Exo_19:9. See Deu_5:241Ki_19:12,13 Heb 12:19.