To voice (a thing or person) again or in a different way; to re-express.
To readjust the tone of (an organ pipe, a set of pipes, etc.); (occasionally more generally) to repair or modify (a musical instrument) so it may make a different or renewed sound.
To provide (a production, scene, etc.) with a new vocal soundtrack; to re-record the dialogue of (an actor, role, etc.); to dub.