Oral function visualization system, oral function visualization method, and recording medium

An oral function visualization system comprising:

• an outputter that outputs information for prompting a user to utter a predetermined voice;
• an obtainer that obtains a first uttered voice of the user uttered in accordance with outputting the information by the outputter;
• an analyzer that analyzes a sound pressure difference and a speaking speed of the first uttered voice obtained by the obtainer;
• and
• an estimator that estimates a first state of oral organs of the user from a result of analysis of the first uttered voice by the analyzer,
• wherein the outputter further outputs, based on the first state of the oral organs of the user estimated by the estimator, information for the user to achieve an ideal state of the oral organs suitable for utterance of the predetermined voice.