BigPatents India

A telephone interpretation assistance device makes it possible, in telephone interpretation when persons who speak different languages meet each other, that an interpreter interprets the speech of a speaker in progress simultaneously without interrupting the speech of the speaker or mixing up the conversation, thereby allowing quick and precise interpretation. The telephone interpretation assistance device (10) comprises: a headset connection jack (16) intended for an interpretee; a headset connection jack (17) intended for a conversation partner; a telephone connection jack (18); a synthesis circuit (12) for synthesizing voice signals input from the respective headset connection jacks, and outputting the resultant to the telephone connection jack; a detection circuit (15) for detecting a switch signal from a voice signal input from the telephone connection jack; and a switching circuit (14) for outputting the voice signal input from the telephone connection jack to designated one of the headset connection jacks based on the switch signal detected. Telephone interpretation services are provided by using a telephone interpretation system (100) using the telephone interpretation assistance device. Bidirectional simultaneous interpretation services are provided by using the telephone interpretation assistance device (20, 30) and the telephone interpretation system (200). (FIG. - 1)