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After downloading this app, we only need to set the birth of date and nationality for the new born baby, once the baby cries, we only need to press the recording button for 10 seconds, and the sound will be uploaded to the Cloud Drive. After the differentiating process, the analysis result of the sound would be transferred to Mum's mobile phone. So Mum can depend on the actual situation to determine whether the analysis result is correct or not, to make a revision for the app.