Evaluate the Efficacy and Safety of the Digital Therapeutics Repeech for the Post-Stroke Dysarthria.

Prior treatment

• Participants diagnosed with dementia or who used medication for dementia within 3 months before screening.

Other illness

• Participants with severe psychiatric illness, such as major depression, schizophrenia, or drug dependence.
• Participants with severe language impairment that would prevent use of the digital application.

Other

• Participants with structural problems in the oral or neck area that could interfere with accurate speech assessment.
• Participants who are illiterate.
• Participants with any other clinical reason that, in the investigator's judgment, would make participation unsuitable.

• Participants must be 19 years of age or older.
• Participants must be neurologically stable after stroke, as determined by a qualified physician.
• Participants must have objective post-stroke dysarthria, defined as a score of 1 or 2 on the dysarthria item of the National Institutes of Health Stroke Scale (NIHSS).
• Participants must have a Korean Mini-Mental State Examination (K-MMSE) score of 26 or higher within 1 month before study entry.
• Participants must have sufficient vision, hearing, and motor function to complete the study procedures.
• Participants must be able to use a tablet PC without difficulty.
• Participants must provide voluntary written informed consent.