Respiratory rehabilitation instrument based on maximum number capability measurement and audio-visual feedback technology and method thereof

The invention discloses a respiratory rehabilitation instrument based on the maximum number capacity measurement and audio-visual feedback technology and a method thereof. The method comprises the following steps: S1, arranging the respiratory rehabilitation instrument, which is composed of a real-time processing unit used for processing maximum number capability data when a user generates speechin real time, a main control unit used for measuring the maximum number capability data of speech respiration in real time, and a real-time maximum number capability audio-visual feedback unit used for displaying and feeding back a maximum number capability rehabilitation result and related information in real time and a real-time maximum number capability measuring unit. Wherein the main controlunit is electrically connected with the real-time processing unit and the real-time maximum number capability audio-visual feedback unit respectively, and unitized setting is carried out on the main control unit. According to