Following a laryngectomy, a small silicon device can be implanted in the throat that allows people to speak by pressing the hole with their fingers to regulate airflow through the prosthesis and so create sound. But a new app is helping patients use their own voice.

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The app was developed for patients set to lose their voice as a result of a laryngectomy, or removal of the larynx. Before surgery, the patient’s voice is recorded to create synthetic speech that can be played via the app.