Terminal device, information provision system, information presentation method, and information provision method

摘要

This terminal device is provided with: a sound pickup device that picks up a sound emitted in accordance with an acoustic signal, which contains an acoustic signal representing a guide voice and a modulation signal including identification information for said guide voice, and generates a sound pickup signal; an information extraction unit that extracts the identification information from the sound pickup signal generated by the sound pickup device; a transmission unit that transmits an information request including the identification information extracted by the information extraction unit; a reception unit that receives, from among a plurality of pieces of related information corresponding to a plurality of different pieces of identification information, related information corresponding to the identification information of the information request; and an output device that outputs the related information received by the reception unit.