The intelligibility of two voice-output communication aids ("Personal Communicator" and "SpeechPAC'") was evaluated by presenting synthesized words and sentences to 20 listeners. Analysis of listener transcriptions revealed significantly higher intelligibility scores for the "Personal Communicator" compared to the…

The use of continuous discourse tracking to evaluate sensory prostheses for the hearing impaired was assessed in terms of the strategies used by the talker and responses elicited from the listener. Listeners showed small but significant differences in response patterns. Much larger differences were observed in the pattern of correction strategies…