Clinical Value of Audio Signal Processing and Machine Learning to Detect Cough Patterns: An Opinion Review

Cough is one of the most common reasons why patients consult their doctor. Cough due to common cold or upper respiratory infection is probably the most common cause of acute cough. Cough can be divided into the following three categories: acute, lasting <3 weeks; subacute, lasting between 3 and 8 weeks; and chronic, lasting >8 weeks [1].