History management apparatus, communication system, history management method, and recording medium

A history management method comprising:

• receiving voice data transmitted by a communication terminal that collects sound;
• generating a voice text based on the voice data;
• measuring a position of the communication terminal based on the voice data;
• grouping a plurality of voice texts relating to the voice data transmitted by the communication terminal into a group in response to a speech being made in a specific time zone and in a predetermined range based on the position of the communication terminal;
• and
• creating a speech history of the group.

A non-transitory recording medium storing a plurality of instructions which, when executed by one or more processors, causes the one or more processors to perform a history management method comprising:

• receiving voice data transmitted by a communication terminal that collects sound;
• generating a voice text based on the voice data;
• measuring a position of the communication terminal based on the voice data;
• grouping a plurality of voice texts relating to the voice data transmitted by the communication terminal into a group in response to a speech being made in a specific time zone and in a predetermined range based on the position of the communication terminal;
• and
• creating a speech history of the group.