Single-voice copy is written for a solo performer who will deliver the entire message, with the possible exception of a separate tag line which may be voiced by a different performer. Because there is only one character speaking, any interaction is implied, either between the character speaking and an unheard second character or between the performer and the listener.
Reading or “announcing” copy will rarely result in an effective communication. Both styles direct the performance inward and imply that the performer is speaking to himself or herself. To properly interrupt, engage, and educate a listener, a voice actor must speak to a one-person audience with the expectation of receiving a response. Only then can the offer