A system and method for providing synchronized Closed Captioning (CC) for live programming is disclosed herein. The method includes providing CC by speech-to-text conversion of the live content followed by synchronization of the CC with the dialogue to be displayed in a device. The speech-to-text conversion may be run in real-time or non-real time. The system provides annotations for different speakers and background music. The live content may also be stored on a video recorder, such as a set-top box, and processed offline. Similarly, a web stream may be recorded and processed offline. Alternatively, it may also be possible to enter the URL of the content into a processing website which will add CC to the video. The disclosed system and method provide for synchronized CC for live broadcasts and for user-generated content delivered over the internet for the hearing-impaired.
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Candelore, Brant; Nejat, Mike; and Shintani, Peter, "Displaying Closed Captioning Using Speech-To-Text", Technical Disclosure Commons, (May 15, 2017)