Modulate1. (v. t.) To adjust in tone, inflection or pitch; to regulate; to temper; To vary or inflect in a natural, customary, or musical manner; as, the organs of speech modulate the voice in reading or speaking.
2. (v. t.) To form, as sound, to a certain key, or to a certain portion.
3. (v. i.) To pass from one key into another.
Thesaurus Entries
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